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-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/bignum.c2373
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/bignum.h754
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/bn_mul.h870
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/check_config.h495
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/config.h2358
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.c734
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.h149
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/platform.c165
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/platform.h205
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/srp.c412
-rwxr-xr-xarduino/libraries/BLEHomekit/src/crypto/srp/srp.h54
11 files changed, 8569 insertions, 0 deletions
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/bignum.c b/arduino/libraries/BLEHomekit/src/crypto/srp/bignum.c
new file mode 100755
index 0000000..bdf7795
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/bignum.c
@@ -0,0 +1,2373 @@
+/*
+ * Multi-precision integer library
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ * This MPI implementation is based on:
+ *
+ * http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf
+ * http://www.stillhq.com/extracted/gnupg-api/mpi/
+ * http://math.libtomcrypt.com/files/tommath.pdf
+ */
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#if defined(POLARSSL_BIGNUM_C)
+
+#include "bignum.h"
+#include "bn_mul.h"
+
+#include <string.h>
+
+#if defined(POLARSSL_PLATFORM_C)
+#include "platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define polarssl_printf printf
+#define polarssl_malloc malloc
+#define polarssl_free free
+#endif
+
+/* Implementation that should never be optimized out by the compiler */
+static void polarssl_zeroize( void *v, size_t n ) {
+ volatile unsigned char *p = v; while( n-- ) *p++ = 0;
+}
+
+#define ciL (sizeof(t_uint)) /* chars in limb */
+#define biL (ciL << 3) /* bits in limb */
+#define biH (ciL << 2) /* half limb size */
+
+/*
+ * Convert between bits/chars and number of limbs
+ */
+#define BITS_TO_LIMBS(i) (((i) + biL - 1) / biL)
+#define CHARS_TO_LIMBS(i) (((i) + ciL - 1) / ciL)
+
+/*
+ * Initialize one MPI
+ */
+void mpi_init( mpi *X )
+{
+ if( X == NULL )
+ return;
+
+ X->s = 1;
+ X->n = 0;
+ X->p = NULL;
+}
+
+/*
+ * Unallocate one MPI
+ */
+void mpi_free( mpi *X )
+{
+ if( X == NULL )
+ return;
+
+ if( X->p != NULL )
+ {
+ polarssl_zeroize( X->p, X->n * ciL );
+ polarssl_free( X->p );
+ }
+
+ X->s = 1;
+ X->n = 0;
+ X->p = NULL;
+}
+
+/*
+ * Enlarge to the specified number of limbs
+ */
+int mpi_grow( mpi *X, size_t nblimbs )
+{
+ t_uint *p;
+
+ if( nblimbs > POLARSSL_MPI_MAX_LIMBS )
+ return( POLARSSL_ERR_MPI_MALLOC_FAILED );
+
+ if( X->n < nblimbs )
+ {
+ if( ( p = polarssl_malloc( nblimbs * ciL ) ) == NULL )
+ return( POLARSSL_ERR_MPI_MALLOC_FAILED );
+
+ memset( p, 0, nblimbs * ciL );
+
+ if( X->p != NULL )
+ {
+ memcpy( p, X->p, X->n * ciL );
+ polarssl_zeroize( X->p, X->n * ciL );
+ polarssl_free( X->p );
+ }
+
+ X->n = nblimbs;
+ X->p = p;
+ }
+
+ return( 0 );
+}
+
+/*
+ * Resize down as much as possible,
+ * while keeping at least the specified number of limbs
+ */
+int mpi_shrink( mpi *X, size_t nblimbs )
+{
+ t_uint *p;
+ size_t i;
+
+ /* Actually resize up in this case */
+ if( X->n <= nblimbs )
+ return( mpi_grow( X, nblimbs ) );
+
+ for( i = X->n - 1; i > 0; i-- )
+ if( X->p[i] != 0 )
+ break;
+ i++;
+
+ if( i < nblimbs )
+ i = nblimbs;
+
+ if( ( p = polarssl_malloc( i * ciL ) ) == NULL )
+ return( POLARSSL_ERR_MPI_MALLOC_FAILED );
+
+ memset( p, 0, i * ciL );
+
+ if( X->p != NULL )
+ {
+ memcpy( p, X->p, i * ciL );
+ polarssl_zeroize( X->p, X->n * ciL );
+ polarssl_free( X->p );
+ }
+
+ X->n = i;
+ X->p = p;
+
+ return( 0 );
+}
+
+/*
+ * Copy the contents of Y into X
+ */
+int mpi_copy( mpi *X, const mpi *Y )
+{
+ int ret;
+ size_t i;
+
+ if( X == Y )
+ return( 0 );
+
+ if( Y->p == NULL )
+ {
+ mpi_free( X );
+ return( 0 );
+ }
+
+ for( i = Y->n - 1; i > 0; i-- )
+ if( Y->p[i] != 0 )
+ break;
+ i++;
+
+ X->s = Y->s;
+
+ MPI_CHK( mpi_grow( X, i ) );
+
+ memset( X->p, 0, X->n * ciL );
+ memcpy( X->p, Y->p, i * ciL );
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Swap the contents of X and Y
+ */
+void mpi_swap( mpi *X, mpi *Y )
+{
+ mpi T;
+
+ memcpy( &T, X, sizeof( mpi ) );
+ memcpy( X, Y, sizeof( mpi ) );
+ memcpy( Y, &T, sizeof( mpi ) );
+}
+
+/*
+ * Conditionally assign X = Y, without leaking information
+ * about whether the assignment was made or not.
+ * (Leaking information about the respective sizes of X and Y is ok however.)
+ */
+int mpi_safe_cond_assign( mpi *X, const mpi *Y, unsigned char assign )
+{
+ int ret = 0;
+ size_t i;
+
+ /* make sure assign is 0 or 1 in a time-constant manner */
+ assign = (assign | (unsigned char)-assign) >> 7;
+
+ MPI_CHK( mpi_grow( X, Y->n ) );
+
+ X->s = X->s * ( 1 - assign ) + Y->s * assign;
+
+ for( i = 0; i < Y->n; i++ )
+ X->p[i] = X->p[i] * ( 1 - assign ) + Y->p[i] * assign;
+
+ for( ; i < X->n; i++ )
+ X->p[i] *= ( 1 - assign );
+
+cleanup:
+ return( ret );
+}
+
+/*
+ * Conditionally swap X and Y, without leaking information
+ * about whether the swap was made or not.
+ * Here it is not ok to simply swap the pointers, which whould lead to
+ * different memory access patterns when X and Y are used afterwards.
+ */
+int mpi_safe_cond_swap( mpi *X, mpi *Y, unsigned char swap )
+{
+ int ret, s;
+ size_t i;
+ t_uint tmp;
+
+ if( X == Y )
+ return( 0 );
+
+ /* make sure swap is 0 or 1 in a time-constant manner */
+ swap = (swap | (unsigned char)-swap) >> 7;
+
+ MPI_CHK( mpi_grow( X, Y->n ) );
+ MPI_CHK( mpi_grow( Y, X->n ) );
+
+ s = X->s;
+ X->s = X->s * ( 1 - swap ) + Y->s * swap;
+ Y->s = Y->s * ( 1 - swap ) + s * swap;
+
+
+ for( i = 0; i < X->n; i++ )
+ {
+ tmp = X->p[i];
+ X->p[i] = X->p[i] * ( 1 - swap ) + Y->p[i] * swap;
+ Y->p[i] = Y->p[i] * ( 1 - swap ) + tmp * swap;
+ }
+
+cleanup:
+ return( ret );
+}
+
+/*
+ * Set value from integer
+ */
+int mpi_lset( mpi *X, t_sint z )
+{
+ int ret;
+
+ MPI_CHK( mpi_grow( X, 1 ) );
+ memset( X->p, 0, X->n * ciL );
+
+ X->p[0] = ( z < 0 ) ? -z : z;
+ X->s = ( z < 0 ) ? -1 : 1;
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Get a specific bit
+ */
+int mpi_get_bit( const mpi *X, size_t pos )
+{
+ if( X->n * biL <= pos )
+ return( 0 );
+
+ return( ( X->p[pos / biL] >> ( pos % biL ) ) & 0x01 );
+}
+
+/*
+ * Set a bit to a specific value of 0 or 1
+ */
+int mpi_set_bit( mpi *X, size_t pos, unsigned char val )
+{
+ int ret = 0;
+ size_t off = pos / biL;
+ size_t idx = pos % biL;
+
+ if( val != 0 && val != 1 )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ if( X->n * biL <= pos )
+ {
+ if( val == 0 )
+ return( 0 );
+
+ MPI_CHK( mpi_grow( X, off + 1 ) );
+ }
+
+ X->p[off] &= ~( (t_uint) 0x01 << idx );
+ X->p[off] |= (t_uint) val << idx;
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Return the number of least significant bits
+ */
+size_t mpi_lsb( const mpi *X )
+{
+ size_t i, j, count = 0;
+
+ for( i = 0; i < X->n; i++ )
+ for( j = 0; j < biL; j++, count++ )
+ if( ( ( X->p[i] >> j ) & 1 ) != 0 )
+ return( count );
+
+ return( 0 );
+}
+
+/*
+ * Return the number of most significant bits
+ */
+size_t mpi_msb( const mpi *X )
+{
+ size_t i, j;
+
+ if( X->n == 0 )
+ return( 0 );
+
+ for( i = X->n - 1; i > 0; i-- )
+ if( X->p[i] != 0 )
+ break;
+
+ for( j = biL; j > 0; j-- )
+ if( ( ( X->p[i] >> ( j - 1 ) ) & 1 ) != 0 )
+ break;
+
+ return( ( i * biL ) + j );
+}
+
+/*
+ * Return the total size in bytes
+ */
+size_t mpi_size( const mpi *X )
+{
+ return( ( mpi_msb( X ) + 7 ) >> 3 );
+}
+
+#if 0
+
+/*
+ * Convert an ASCII character to digit value
+ */
+static int mpi_get_digit( t_uint *d, int radix, char c )
+{
+ *d = 255;
+
+ if( c >= 0x30 && c <= 0x39 ) *d = c - 0x30;
+ if( c >= 0x41 && c <= 0x46 ) *d = c - 0x37;
+ if( c >= 0x61 && c <= 0x66 ) *d = c - 0x57;
+
+ if( *d >= (t_uint) radix )
+ return( POLARSSL_ERR_MPI_INVALID_CHARACTER );
+
+ return( 0 );
+}
+
+/*
+ * Import from an ASCII string
+ */
+int mpi_read_string( mpi *X, int radix, const char *s )
+{
+ int ret;
+ size_t i, j, slen, n;
+ t_uint d;
+ mpi T;
+
+ if( radix < 2 || radix > 16 )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ mpi_init( &T );
+
+ slen = strlen( s );
+
+ if( radix == 16 )
+ {
+ n = BITS_TO_LIMBS( slen << 2 );
+
+ MPI_CHK( mpi_grow( X, n ) );
+ MPI_CHK( mpi_lset( X, 0 ) );
+
+ for( i = slen, j = 0; i > 0; i--, j++ )
+ {
+ if( i == 1 && s[i - 1] == '-' )
+ {
+ X->s = -1;
+ break;
+ }
+
+ MPI_CHK( mpi_get_digit( &d, radix, s[i - 1] ) );
+ X->p[j / ( 2 * ciL )] |= d << ( ( j % ( 2 * ciL ) ) << 2 );
+ }
+ }
+ else
+ {
+ MPI_CHK( mpi_lset( X, 0 ) );
+
+ for( i = 0; i < slen; i++ )
+ {
+ if( i == 0 && s[i] == '-' )
+ {
+ X->s = -1;
+ continue;
+ }
+
+ MPI_CHK( mpi_get_digit( &d, radix, s[i] ) );
+ MPI_CHK( mpi_mul_int( &T, X, radix ) );
+
+ if( X->s == 1 )
+ {
+ MPI_CHK( mpi_add_int( X, &T, d ) );
+ }
+ else
+ {
+ MPI_CHK( mpi_sub_int( X, &T, d ) );
+ }
+ }
+ }
+
+cleanup:
+
+ mpi_free( &T );
+
+ return( ret );
+}
+
+/*
+ * Helper to write the digits high-order first
+ */
+static int mpi_write_hlp( mpi *X, int radix, char **p )
+{
+ int ret;
+ t_uint r;
+
+ if( radix < 2 || radix > 16 )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ MPI_CHK( mpi_mod_int( &r, X, radix ) );
+ MPI_CHK( mpi_div_int( X, NULL, X, radix ) );
+
+ if( mpi_cmp_int( X, 0 ) != 0 )
+ MPI_CHK( mpi_write_hlp( X, radix, p ) );
+
+ if( r < 10 )
+ *(*p)++ = (char)( r + 0x30 );
+ else
+ *(*p)++ = (char)( r + 0x37 );
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Export into an ASCII string
+ */
+int mpi_write_string( const mpi *X, int radix, char *s, size_t *slen )
+{
+ int ret = 0;
+ size_t n;
+ char *p;
+ mpi T;
+
+ if( radix < 2 || radix > 16 )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ n = mpi_msb( X );
+ if( radix >= 4 ) n >>= 1;
+ if( radix >= 16 ) n >>= 1;
+ n += 3;
+
+ if( *slen < n )
+ {
+ *slen = n;
+ return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL );
+ }
+
+ p = s;
+ mpi_init( &T );
+
+ if( X->s == -1 )
+ *p++ = '-';
+
+ if( radix == 16 )
+ {
+ int c;
+ size_t i, j, k;
+
+ for( i = X->n, k = 0; i > 0; i-- )
+ {
+ for( j = ciL; j > 0; j-- )
+ {
+ c = ( X->p[i - 1] >> ( ( j - 1 ) << 3) ) & 0xFF;
+
+ if( c == 0 && k == 0 && ( i + j ) != 2 )
+ continue;
+
+ *(p++) = "0123456789ABCDEF" [c / 16];
+ *(p++) = "0123456789ABCDEF" [c % 16];
+ k = 1;
+ }
+ }
+ }
+ else
+ {
+ MPI_CHK( mpi_copy( &T, X ) );
+
+ if( T.s == -1 )
+ T.s = 1;
+
+ MPI_CHK( mpi_write_hlp( &T, radix, &p ) );
+ }
+
+ *p++ = '\0';
+ *slen = p - s;
+
+cleanup:
+
+ mpi_free( &T );
+
+ return( ret );
+}
+
+#endif
+
+#if defined(POLARSSL_FS_IO)
+/*
+ * Read X from an opened file
+ */
+int mpi_read_file( mpi *X, int radix, FILE *fin )
+{
+ t_uint d;
+ size_t slen;
+ char *p;
+ /*
+ * Buffer should have space for (short) label and decimal formatted MPI,
+ * newline characters and '\0'
+ */
+ char s[ POLARSSL_MPI_RW_BUFFER_SIZE ];
+
+ memset( s, 0, sizeof( s ) );
+ if( fgets( s, sizeof( s ) - 1, fin ) == NULL )
+ return( POLARSSL_ERR_MPI_FILE_IO_ERROR );
+
+ slen = strlen( s );
+ if( slen == sizeof( s ) - 2 )
+ return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL );
+
+ if( s[slen - 1] == '\n' ) { slen--; s[slen] = '\0'; }
+ if( s[slen - 1] == '\r' ) { slen--; s[slen] = '\0'; }
+
+ p = s + slen;
+ while( --p >= s )
+ if( mpi_get_digit( &d, radix, *p ) != 0 )
+ break;
+
+ return( mpi_read_string( X, radix, p + 1 ) );
+}
+
+/*
+ * Write X into an opened file (or stdout if fout == NULL)
+ */
+int mpi_write_file( const char *p, const mpi *X, int radix, FILE *fout )
+{
+ int ret;
+ size_t n, slen, plen;
+ /*
+ * Buffer should have space for (short) label and decimal formatted MPI,
+ * newline characters and '\0'
+ */
+ char s[ POLARSSL_MPI_RW_BUFFER_SIZE ];
+
+ n = sizeof( s );
+ memset( s, 0, n );
+ n -= 2;
+
+ MPI_CHK( mpi_write_string( X, radix, s, (size_t *) &n ) );
+
+ if( p == NULL ) p = "";
+
+ plen = strlen( p );
+ slen = strlen( s );
+ s[slen++] = '\r';
+ s[slen++] = '\n';
+
+ if( fout != NULL )
+ {
+ if( fwrite( p, 1, plen, fout ) != plen ||
+ fwrite( s, 1, slen, fout ) != slen )
+ return( POLARSSL_ERR_MPI_FILE_IO_ERROR );
+ }
+ else
+ polarssl_printf( "%s%s", p, s );
+
+cleanup:
+
+ return( ret );
+}
+#endif /* POLARSSL_FS_IO */
+
+/*
+ * Import X from unsigned binary data, big endian
+ */
+int mpi_read_binary( mpi *X, const unsigned char *buf, size_t buflen )
+{
+ int ret;
+ size_t i, j, n;
+
+ for( n = 0; n < buflen; n++ )
+ if( buf[n] != 0 )
+ break;
+
+ MPI_CHK( mpi_grow( X, CHARS_TO_LIMBS( buflen - n ) ) );
+ MPI_CHK( mpi_lset( X, 0 ) );
+
+ for( i = buflen, j = 0; i > n; i--, j++ )
+ X->p[j / ciL] |= ((t_uint) buf[i - 1]) << ((j % ciL) << 3);
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Export X into unsigned binary data, big endian
+ */
+int mpi_write_binary( const mpi *X, unsigned char *buf, size_t buflen )
+{
+ size_t i, j, n;
+
+ n = mpi_size( X );
+
+ if( buflen < n )
+ return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL );
+
+ memset( buf, 0, buflen );
+
+ for( i = buflen - 1, j = 0; n > 0; i--, j++, n-- )
+ buf[i] = (unsigned char)( X->p[j / ciL] >> ((j % ciL) << 3) );
+
+ return( 0 );
+}
+
+/*
+ * Left-shift: X <<= count
+ */
+int mpi_shift_l( mpi *X, size_t count )
+{
+ int ret;
+ size_t i, v0, t1;
+ t_uint r0 = 0, r1;
+
+ v0 = count / (biL );
+ t1 = count & (biL - 1);
+
+ i = mpi_msb( X ) + count;
+
+ if( X->n * biL < i )
+ MPI_CHK( mpi_grow( X, BITS_TO_LIMBS( i ) ) );
+
+ ret = 0;
+
+ /*
+ * shift by count / limb_size
+ */
+ if( v0 > 0 )
+ {
+ for( i = X->n; i > v0; i-- )
+ X->p[i - 1] = X->p[i - v0 - 1];
+
+ for( ; i > 0; i-- )
+ X->p[i - 1] = 0;
+ }
+
+ /*
+ * shift by count % limb_size
+ */
+ if( t1 > 0 )
+ {
+ for( i = v0; i < X->n; i++ )
+ {
+ r1 = X->p[i] >> (biL - t1);
+ X->p[i] <<= t1;
+ X->p[i] |= r0;
+ r0 = r1;
+ }
+ }
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Right-shift: X >>= count
+ */
+int mpi_shift_r( mpi *X, size_t count )
+{
+ size_t i, v0, v1;
+ t_uint r0 = 0, r1;
+
+ v0 = count / biL;
+ v1 = count & (biL - 1);
+
+ if( v0 > X->n || ( v0 == X->n && v1 > 0 ) )
+ return mpi_lset( X, 0 );
+
+ /*
+ * shift by count / limb_size
+ */
+ if( v0 > 0 )
+ {
+ for( i = 0; i < X->n - v0; i++ )
+ X->p[i] = X->p[i + v0];
+
+ for( ; i < X->n; i++ )
+ X->p[i] = 0;
+ }
+
+ /*
+ * shift by count % limb_size
+ */
+ if( v1 > 0 )
+ {
+ for( i = X->n; i > 0; i-- )
+ {
+ r1 = X->p[i - 1] << (biL - v1);
+ X->p[i - 1] >>= v1;
+ X->p[i - 1] |= r0;
+ r0 = r1;
+ }
+ }
+
+ return( 0 );
+}
+
+/*
+ * Compare unsigned values
+ */
+int mpi_cmp_abs( const mpi *X, const mpi *Y )
+{
+ size_t i, j;
+
+ for( i = X->n; i > 0; i-- )
+ if( X->p[i - 1] != 0 )
+ break;
+
+ for( j = Y->n; j > 0; j-- )
+ if( Y->p[j - 1] != 0 )
+ break;
+
+ if( i == 0 && j == 0 )
+ return( 0 );
+
+ if( i > j ) return( 1 );
+ if( j > i ) return( -1 );
+
+ for( ; i > 0; i-- )
+ {
+ if( X->p[i - 1] > Y->p[i - 1] ) return( 1 );
+ if( X->p[i - 1] < Y->p[i - 1] ) return( -1 );
+ }
+
+ return( 0 );
+}
+
+/*
+ * Compare signed values
+ */
+int mpi_cmp_mpi( const mpi *X, const mpi *Y )
+{
+ size_t i, j;
+
+ for( i = X->n; i > 0; i-- )
+ if( X->p[i - 1] != 0 )
+ break;
+
+ for( j = Y->n; j > 0; j-- )
+ if( Y->p[j - 1] != 0 )
+ break;
+
+ if( i == 0 && j == 0 )
+ return( 0 );
+
+ if( i > j ) return( X->s );
+ if( j > i ) return( -Y->s );
+
+ if( X->s > 0 && Y->s < 0 ) return( 1 );
+ if( Y->s > 0 && X->s < 0 ) return( -1 );
+
+ for( ; i > 0; i-- )
+ {
+ if( X->p[i - 1] > Y->p[i - 1] ) return( X->s );
+ if( X->p[i - 1] < Y->p[i - 1] ) return( -X->s );
+ }
+
+ return( 0 );
+}
+
+/*
+ * Compare signed values
+ */
+int mpi_cmp_int( const mpi *X, t_sint z )
+{
+ mpi Y;
+ t_uint p[1];
+
+ *p = ( z < 0 ) ? -z : z;
+ Y.s = ( z < 0 ) ? -1 : 1;
+ Y.n = 1;
+ Y.p = p;
+
+ return( mpi_cmp_mpi( X, &Y ) );
+}
+
+/*
+ * Unsigned addition: X = |A| + |B| (HAC 14.7)
+ */
+int mpi_add_abs( mpi *X, const mpi *A, const mpi *B )
+{
+ int ret;
+ size_t i, j;
+ t_uint *o, *p, c;
+
+ if( X == B )
+ {
+ const mpi *T = A; A = X; B = T;
+ }
+
+ if( X != A )
+ MPI_CHK( mpi_copy( X, A ) );
+
+ /*
+ * X should always be positive as a result of unsigned additions.
+ */
+ X->s = 1;
+
+ for( j = B->n; j > 0; j-- )
+ if( B->p[j - 1] != 0 )
+ break;
+
+ MPI_CHK( mpi_grow( X, j ) );
+
+ o = B->p; p = X->p; c = 0;
+
+ for( i = 0; i < j; i++, o++, p++ )
+ {
+ *p += c; c = ( *p < c );
+ *p += *o; c += ( *p < *o );
+ }
+
+ while( c != 0 )
+ {
+ if( i >= X->n )
+ {
+ MPI_CHK( mpi_grow( X, i + 1 ) );
+ p = X->p + i;
+ }
+
+ *p += c; c = ( *p < c ); i++; p++;
+ }
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Helper for mpi subtraction
+ */
+static void mpi_sub_hlp( size_t n, t_uint *s, t_uint *d )
+{
+ size_t i;
+ t_uint c, z;
+
+ for( i = c = 0; i < n; i++, s++, d++ )
+ {
+ z = ( *d < c ); *d -= c;
+ c = ( *d < *s ) + z; *d -= *s;
+ }
+
+ while( c != 0 )
+ {
+ z = ( *d < c ); *d -= c;
+ c = z; i++; d++;
+ }
+}
+
+/*
+ * Unsigned subtraction: X = |A| - |B| (HAC 14.9)
+ */
+int mpi_sub_abs( mpi *X, const mpi *A, const mpi *B )
+{
+ mpi TB;
+ int ret;
+ size_t n;
+
+ if( mpi_cmp_abs( A, B ) < 0 )
+ return( POLARSSL_ERR_MPI_NEGATIVE_VALUE );
+
+ mpi_init( &TB );
+
+ if( X == B )
+ {
+ MPI_CHK( mpi_copy( &TB, B ) );
+ B = &TB;
+ }
+
+ if( X != A )
+ MPI_CHK( mpi_copy( X, A ) );
+
+ /*
+ * X should always be positive as a result of unsigned subtractions.
+ */
+ X->s = 1;
+
+ ret = 0;
+
+ for( n = B->n; n > 0; n-- )
+ if( B->p[n - 1] != 0 )
+ break;
+
+ mpi_sub_hlp( n, B->p, X->p );
+
+cleanup:
+
+ mpi_free( &TB );
+
+ return( ret );
+}
+
+/*
+ * Signed addition: X = A + B
+ */
+int mpi_add_mpi( mpi *X, const mpi *A, const mpi *B )
+{
+ int ret, s = A->s;
+
+ if( A->s * B->s < 0 )
+ {
+ if( mpi_cmp_abs( A, B ) >= 0 )
+ {
+ MPI_CHK( mpi_sub_abs( X, A, B ) );
+ X->s = s;
+ }
+ else
+ {
+ MPI_CHK( mpi_sub_abs( X, B, A ) );
+ X->s = -s;
+ }
+ }
+ else
+ {
+ MPI_CHK( mpi_add_abs( X, A, B ) );
+ X->s = s;
+ }
+
+cleanup:
+
+ return( ret );
+}
+
+/*
+ * Signed subtraction: X = A - B
+ */
+int mpi_sub_mpi( mpi *X, const mpi *A, const mpi *B )
+{
+ int ret, s = A->s;
+
+ if( A->s * B->s > 0 )
+ {
+ if( mpi_cmp_abs( A, B ) >= 0 )
+ {
+ MPI_CHK( mpi_sub_abs( X, A, B ) );
+ X->s = s;
+ }
+ else
+ {
+ MPI_CHK( mpi_sub_abs( X, B, A ) );
+ X->s = -s;
+ }
+ }
+ else
+ {
+ MPI_CHK( mpi_add_abs( X, A, B ) );
+ X->s = s;
+ }
+
+cleanup:
+
+ return( ret );
+}
+
+#if 0
+
+/*
+ * Signed addition: X = A + b
+ */
+int mpi_add_int( mpi *X, const mpi *A, t_sint b )
+{
+ mpi _B;
+ t_uint p[1];
+
+ p[0] = ( b < 0 ) ? -b : b;
+ _B.s = ( b < 0 ) ? -1 : 1;
+ _B.n = 1;
+ _B.p = p;
+
+ return( mpi_add_mpi( X, A, &_B ) );
+}
+
+/*
+ * Signed subtraction: X = A - b
+ */
+int mpi_sub_int( mpi *X, const mpi *A, t_sint b )
+{
+ mpi _B;
+ t_uint p[1];
+
+ p[0] = ( b < 0 ) ? -b : b;
+ _B.s = ( b < 0 ) ? -1 : 1;
+ _B.n = 1;
+ _B.p = p;
+
+ return( mpi_sub_mpi( X, A, &_B ) );
+}
+
+#endif
+
+/*
+ * Helper for mpi multiplication
+ */
+static
+#if defined(__APPLE__) && defined(__arm__)
+/*
+ * Apple LLVM version 4.2 (clang-425.0.24) (based on LLVM 3.2svn)
+ * appears to need this to prevent bad ARM code generation at -O3.
+ */
+__attribute__ ((noinline))
+#endif
+void mpi_mul_hlp( size_t i, t_uint *s, t_uint *d, t_uint b )
+{
+ t_uint c = 0, t = 0;
+
+#if defined(MULADDC_HUIT)
+ for( ; i >= 8; i -= 8 )
+ {
+ MULADDC_INIT
+ MULADDC_HUIT
+ MULADDC_STOP
+ }
+
+ for( ; i > 0; i-- )
+ {
+ MULADDC_INIT
+ MULADDC_CORE
+ MULADDC_STOP
+ }
+#else /* MULADDC_HUIT */
+ for( ; i >= 16; i -= 16 )
+ {
+ MULADDC_INIT
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_STOP
+ }
+
+ for( ; i >= 8; i -= 8 )
+ {
+ MULADDC_INIT
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_CORE MULADDC_CORE
+ MULADDC_STOP
+ }
+
+ for( ; i > 0; i-- )
+ {
+ MULADDC_INIT
+ MULADDC_CORE
+ MULADDC_STOP
+ }
+#endif /* MULADDC_HUIT */
+
+ t++;
+
+ do {
+ *d += c; c = ( *d < c ); d++;
+ }
+ while( c != 0 );
+}
+
+/*
+ * Baseline multiplication: X = A * B (HAC 14.12)
+ */
+int mpi_mul_mpi( mpi *X, const mpi *A, const mpi *B )
+{
+ int ret;
+ size_t i, j;
+ mpi TA, TB;
+
+ mpi_init( &TA ); mpi_init( &TB );
+
+ if( X == A ) { MPI_CHK( mpi_copy( &TA, A ) ); A = &TA; }
+ if( X == B ) { MPI_CHK( mpi_copy( &TB, B ) ); B = &TB; }
+
+ for( i = A->n; i > 0; i-- )
+ if( A->p[i - 1] != 0 )
+ break;
+
+ for( j = B->n; j > 0; j-- )
+ if( B->p[j - 1] != 0 )
+ break;
+
+ MPI_CHK( mpi_grow( X, i + j ) );
+ MPI_CHK( mpi_lset( X, 0 ) );
+
+ for( i++; j > 0; j-- )
+ mpi_mul_hlp( i - 1, A->p, X->p + j - 1, B->p[j - 1] );
+
+ X->s = A->s * B->s;
+
+cleanup:
+
+ mpi_free( &TB ); mpi_free( &TA );
+
+ return( ret );
+}
+
+/*
+ * Baseline multiplication: X = A * b
+ */
+int mpi_mul_int( mpi *X, const mpi *A, t_sint b )
+{
+ mpi _B;
+ t_uint p[1];
+
+ _B.s = 1;
+ _B.n = 1;
+ _B.p = p;
+ p[0] = b;
+
+ return( mpi_mul_mpi( X, A, &_B ) );
+}
+
+/*
+ * Division by mpi: A = Q * B + R (HAC 14.20)
+ */
+int mpi_div_mpi( mpi *Q, mpi *R, const mpi *A, const mpi *B )
+{
+ int ret;
+ size_t i, n, t, k;
+ mpi X, Y, Z, T1, T2;
+
+ if( mpi_cmp_int( B, 0 ) == 0 )
+ return( POLARSSL_ERR_MPI_DIVISION_BY_ZERO );
+
+ mpi_init( &X ); mpi_init( &Y ); mpi_init( &Z );
+ mpi_init( &T1 ); mpi_init( &T2 );
+
+ if( mpi_cmp_abs( A, B ) < 0 )
+ {
+ if( Q != NULL ) MPI_CHK( mpi_lset( Q, 0 ) );
+ if( R != NULL ) MPI_CHK( mpi_copy( R, A ) );
+ return( 0 );
+ }
+
+ MPI_CHK( mpi_copy( &X, A ) );
+ MPI_CHK( mpi_copy( &Y, B ) );
+ X.s = Y.s = 1;
+
+ MPI_CHK( mpi_grow( &Z, A->n + 2 ) );
+ MPI_CHK( mpi_lset( &Z, 0 ) );
+ MPI_CHK( mpi_grow( &T1, 2 ) );
+ MPI_CHK( mpi_grow( &T2, 3 ) );
+
+ k = mpi_msb( &Y ) % biL;
+ if( k < biL - 1 )
+ {
+ k = biL - 1 - k;
+ MPI_CHK( mpi_shift_l( &X, k ) );
+ MPI_CHK( mpi_shift_l( &Y, k ) );
+ }
+ else k = 0;
+
+ n = X.n - 1;
+ t = Y.n - 1;
+ MPI_CHK( mpi_shift_l( &Y, biL * ( n - t ) ) );
+
+ while( mpi_cmp_mpi( &X, &Y ) >= 0 )
+ {
+ Z.p[n - t]++;
+ MPI_CHK( mpi_sub_mpi( &X, &X, &Y ) );
+ }
+ MPI_CHK( mpi_shift_r( &Y, biL * ( n - t ) ) );
+
+ for( i = n; i > t ; i-- )
+ {
+ if( X.p[i] >= Y.p[t] )
+ Z.p[i - t - 1] = ~0;
+ else
+ {
+#if defined(POLARSSL_HAVE_UDBL)
+ t_udbl r;
+
+ r = (t_udbl) X.p[i] << biL;
+ r |= (t_udbl) X.p[i - 1];
+ r /= Y.p[t];
+ if( r > ( (t_udbl) 1 << biL ) - 1 )
+ r = ( (t_udbl) 1 << biL ) - 1;
+
+ Z.p[i - t - 1] = (t_uint) r;
+#else
+ /*
+ * __udiv_qrnnd_c, from gmp/longlong.h
+ */
+ t_uint q0, q1, r0, r1;
+ t_uint d0, d1, d, m;
+
+ d = Y.p[t];
+ d0 = ( d << biH ) >> biH;
+ d1 = ( d >> biH );
+
+ q1 = X.p[i] / d1;
+ r1 = X.p[i] - d1 * q1;
+ r1 <<= biH;
+ r1 |= ( X.p[i - 1] >> biH );
+
+ m = q1 * d0;
+ if( r1 < m )
+ {
+ q1--, r1 += d;
+ while( r1 >= d && r1 < m )
+ q1--, r1 += d;
+ }
+ r1 -= m;
+
+ q0 = r1 / d1;
+ r0 = r1 - d1 * q0;
+ r0 <<= biH;
+ r0 |= ( X.p[i - 1] << biH ) >> biH;
+
+ m = q0 * d0;
+ if( r0 < m )
+ {
+ q0--, r0 += d;
+ while( r0 >= d && r0 < m )
+ q0--, r0 += d;
+ }
+ r0 -= m;
+
+ Z.p[i - t - 1] = ( q1 << biH ) | q0;
+#endif /* POLARSSL_HAVE_UDBL && !64-bit Apple with Clang 5.0 */
+ }
+
+ Z.p[i - t - 1]++;
+ do
+ {
+ Z.p[i - t - 1]--;
+
+ MPI_CHK( mpi_lset( &T1, 0 ) );
+ T1.p[0] = ( t < 1 ) ? 0 : Y.p[t - 1];
+ T1.p[1] = Y.p[t];
+ MPI_CHK( mpi_mul_int( &T1, &T1, Z.p[i - t - 1] ) );
+
+ MPI_CHK( mpi_lset( &T2, 0 ) );
+ T2.p[0] = ( i < 2 ) ? 0 : X.p[i - 2];
+ T2.p[1] = ( i < 1 ) ? 0 : X.p[i - 1];
+ T2.p[2] = X.p[i];
+ }
+ while( mpi_cmp_mpi( &T1, &T2 ) > 0 );
+
+ MPI_CHK( mpi_mul_int( &T1, &Y, Z.p[i - t - 1] ) );
+ MPI_CHK( mpi_shift_l( &T1, biL * ( i - t - 1 ) ) );
+ MPI_CHK( mpi_sub_mpi( &X, &X, &T1 ) );
+
+ if( mpi_cmp_int( &X, 0 ) < 0 )
+ {
+ MPI_CHK( mpi_copy( &T1, &Y ) );
+ MPI_CHK( mpi_shift_l( &T1, biL * ( i - t - 1 ) ) );
+ MPI_CHK( mpi_add_mpi( &X, &X, &T1 ) );
+ Z.p[i - t - 1]--;
+ }
+ }
+
+ if( Q != NULL )
+ {
+ MPI_CHK( mpi_copy( Q, &Z ) );
+ Q->s = A->s * B->s;
+ }
+
+ if( R != NULL )
+ {
+ MPI_CHK( mpi_shift_r( &X, k ) );
+ X.s = A->s;
+ MPI_CHK( mpi_copy( R, &X ) );
+
+ if( mpi_cmp_int( R, 0 ) == 0 )
+ R->s = 1;
+ }
+
+cleanup:
+
+ mpi_free( &X ); mpi_free( &Y ); mpi_free( &Z );
+ mpi_free( &T1 ); mpi_free( &T2 );
+
+ return( ret );
+}
+
+#if 0
+
+/*
+ * Division by int: A = Q * b + R
+ */
+int mpi_div_int( mpi *Q, mpi *R, const mpi *A, t_sint b )
+{
+ mpi _B;
+ t_uint p[1];
+
+ p[0] = ( b < 0 ) ? -b : b;
+ _B.s = ( b < 0 ) ? -1 : 1;
+ _B.n = 1;
+ _B.p = p;
+
+ return( mpi_div_mpi( Q, R, A, &_B ) );
+}
+
+#endif
+
+/*
+ * Modulo: R = A mod B
+ */
+int mpi_mod_mpi( mpi *R, const mpi *A, const mpi *B )
+{
+ int ret;
+
+ if( mpi_cmp_int( B, 0 ) < 0 )
+ return( POLARSSL_ERR_MPI_NEGATIVE_VALUE );
+
+ MPI_CHK( mpi_div_mpi( NULL, R, A, B ) );
+
+ while( mpi_cmp_int( R, 0 ) < 0 )
+ MPI_CHK( mpi_add_mpi( R, R, B ) );
+
+ while( mpi_cmp_mpi( R, B ) >= 0 )
+ MPI_CHK( mpi_sub_mpi( R, R, B ) );
+
+cleanup:
+
+ return( ret );
+}
+
+#if 0
+
+/*
+ * Modulo: r = A mod b
+ */
+int mpi_mod_int( t_uint *r, const mpi *A, t_sint b )
+{
+ size_t i;
+ t_uint x, y, z;
+
+ if( b == 0 )
+ return( POLARSSL_ERR_MPI_DIVISION_BY_ZERO );
+
+ if( b < 0 )
+ return( POLARSSL_ERR_MPI_NEGATIVE_VALUE );
+
+ /*
+ * handle trivial cases
+ */
+ if( b == 1 )
+ {
+ *r = 0;
+ return( 0 );
+ }
+
+ if( b == 2 )
+ {
+ *r = A->p[0] & 1;
+ return( 0 );
+ }
+
+ /*
+ * general case
+ */
+ for( i = A->n, y = 0; i > 0; i-- )
+ {
+ x = A->p[i - 1];
+ y = ( y << biH ) | ( x >> biH );
+ z = y / b;
+ y -= z * b;
+
+ x <<= biH;
+ y = ( y << biH ) | ( x >> biH );
+ z = y / b;
+ y -= z * b;
+ }
+
+ /*
+ * If A is negative, then the current y represents a negative value.
+ * Flipping it to the positive side.
+ */
+ if( A->s < 0 && y != 0 )
+ y = b - y;
+
+ *r = y;
+
+ return( 0 );
+}
+
+#endif
+
+/*
+ * Fast Montgomery initialization (thanks to Tom St Denis)
+ */
+static void mpi_montg_init( t_uint *mm, const mpi *N )
+{
+ t_uint x, m0 = N->p[0];
+ unsigned int i;
+
+ x = m0;
+ x += ( ( m0 + 2 ) & 4 ) << 1;
+
+ for( i = biL; i >= 8; i /= 2 )
+ x *= ( 2 - ( m0 * x ) );
+
+ *mm = ~x + 1;
+}
+
+/*
+ * Montgomery multiplication: A = A * B * R^-1 mod N (HAC 14.36)
+ */
+static void mpi_montmul( mpi *A, const mpi *B, const mpi *N, t_uint mm,
+ const mpi *T )
+{
+ size_t i, n, m;
+ t_uint u0, u1, *d;
+
+ memset( T->p, 0, T->n * ciL );
+
+ d = T->p;
+ n = N->n;
+ m = ( B->n < n ) ? B->n : n;
+
+ for( i = 0; i < n; i++ )
+ {
+ /*
+ * T = (T + u0*B + u1*N) / 2^biL
+ */
+ u0 = A->p[i];
+ u1 = ( d[0] + u0 * B->p[0] ) * mm;
+
+ mpi_mul_hlp( m, B->p, d, u0 );
+ mpi_mul_hlp( n, N->p, d, u1 );
+
+ *d++ = u0; d[n + 1] = 0;
+ }
+
+ memcpy( A->p, d, ( n + 1 ) * ciL );
+
+ if( mpi_cmp_abs( A, N ) >= 0 )
+ mpi_sub_hlp( n, N->p, A->p );
+ else
+ /* prevent timing attacks */
+ mpi_sub_hlp( n, A->p, T->p );
+}
+
+/*
+ * Montgomery reduction: A = A * R^-1 mod N
+ */
+static void mpi_montred( mpi *A, const mpi *N, t_uint mm, const mpi *T )
+{
+ t_uint z = 1;
+ mpi U;
+
+ U.n = U.s = (int) z;
+ U.p = &z;
+
+ mpi_montmul( A, &U, N, mm, T );
+}
+
+/*
+ * Sliding-window exponentiation: X = A^E mod N (HAC 14.85)
+ */
+int mpi_exp_mod( mpi *X, const mpi *A, const mpi *E, const mpi *N, mpi *_RR )
+{
+ int ret;
+ size_t wbits, wsize, one = 1;
+ size_t i, j, nblimbs;
+ size_t bufsize, nbits;
+ t_uint ei, mm, state;
+ mpi RR, T, W[ 2 << POLARSSL_MPI_WINDOW_SIZE ], Apos;
+ int neg;
+
+ if( mpi_cmp_int( N, 0 ) < 0 || ( N->p[0] & 1 ) == 0 )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ if( mpi_cmp_int( E, 0 ) < 0 )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ /*
+ * Init temps and window size
+ */
+ mpi_montg_init( &mm, N );
+ mpi_init( &RR ); mpi_init( &T );
+ mpi_init( &Apos );
+ memset( W, 0, sizeof( W ) );
+
+ i = mpi_msb( E );
+
+ wsize = ( i > 671 ) ? 6 : ( i > 239 ) ? 5 :
+ ( i > 79 ) ? 4 : ( i > 23 ) ? 3 : 1;
+
+ if( wsize > POLARSSL_MPI_WINDOW_SIZE )
+ wsize = POLARSSL_MPI_WINDOW_SIZE;
+
+ j = N->n + 1;
+ MPI_CHK( mpi_grow( X, j ) );
+ MPI_CHK( mpi_grow( &W[1], j ) );
+ MPI_CHK( mpi_grow( &T, j * 2 ) );
+
+ /*
+ * Compensate for negative A (and correct at the end)
+ */
+ neg = ( A->s == -1 );
+ if( neg )
+ {
+ MPI_CHK( mpi_copy( &Apos, A ) );
+ Apos.s = 1;
+ A = &Apos;
+ }
+
+ /*
+ * If 1st call, pre-compute R^2 mod N
+ */
+ if( _RR == NULL || _RR->p == NULL )
+ {
+ MPI_CHK( mpi_lset( &RR, 1 ) );
+ MPI_CHK( mpi_shift_l( &RR, N->n * 2 * biL ) );
+ MPI_CHK( mpi_mod_mpi( &RR, &RR, N ) );
+
+ if( _RR != NULL )
+ memcpy( _RR, &RR, sizeof( mpi ) );
+ }
+ else
+ memcpy( &RR, _RR, sizeof( mpi ) );
+
+ /*
+ * W[1] = A * R^2 * R^-1 mod N = A * R mod N
+ */
+ if( mpi_cmp_mpi( A, N ) >= 0 )
+ MPI_CHK( mpi_mod_mpi( &W[1], A, N ) );
+ else
+ MPI_CHK( mpi_copy( &W[1], A ) );
+
+ mpi_montmul( &W[1], &RR, N, mm, &T );
+
+ /*
+ * X = R^2 * R^-1 mod N = R mod N
+ */
+ MPI_CHK( mpi_copy( X, &RR ) );
+ mpi_montred( X, N, mm, &T );
+
+ if( wsize > 1 )
+ {
+ /*
+ * W[1 << (wsize - 1)] = W[1] ^ (wsize - 1)
+ */
+ j = one << ( wsize - 1 );
+
+ MPI_CHK( mpi_grow( &W[j], N->n + 1 ) );
+ MPI_CHK( mpi_copy( &W[j], &W[1] ) );
+
+ for( i = 0; i < wsize - 1; i++ )
+ mpi_montmul( &W[j], &W[j], N, mm, &T );
+
+ /*
+ * W[i] = W[i - 1] * W[1]
+ */
+ for( i = j + 1; i < ( one << wsize ); i++ )
+ {
+ MPI_CHK( mpi_grow( &W[i], N->n + 1 ) );
+ MPI_CHK( mpi_copy( &W[i], &W[i - 1] ) );
+
+ mpi_montmul( &W[i], &W[1], N, mm, &T );
+ }
+ }
+
+ nblimbs = E->n;
+ bufsize = 0;
+ nbits = 0;
+ wbits = 0;
+ state = 0;
+
+ while( 1 )
+ {
+ if( bufsize == 0 )
+ {
+ if( nblimbs == 0 )
+ break;
+
+ nblimbs--;
+
+ bufsize = sizeof( t_uint ) << 3;
+ }
+
+ bufsize--;
+
+ ei = (E->p[nblimbs] >> bufsize) & 1;
+
+ /*
+ * skip leading 0s
+ */
+ if( ei == 0 && state == 0 )
+ continue;
+
+ if( ei == 0 && state == 1 )
+ {
+ /*
+ * out of window, square X
+ */
+ mpi_montmul( X, X, N, mm, &T );
+ continue;
+ }
+
+ /*
+ * add ei to current window
+ */
+ state = 2;
+
+ nbits++;
+ wbits |= ( ei << ( wsize - nbits ) );
+
+ if( nbits == wsize )
+ {
+ /*
+ * X = X^wsize R^-1 mod N
+ */
+ for( i = 0; i < wsize; i++ )
+ mpi_montmul( X, X, N, mm, &T );
+
+ /*
+ * X = X * W[wbits] R^-1 mod N
+ */
+ mpi_montmul( X, &W[wbits], N, mm, &T );
+
+ state--;
+ nbits = 0;
+ wbits = 0;
+ }
+ }
+
+ /*
+ * process the remaining bits
+ */
+ for( i = 0; i < nbits; i++ )
+ {
+ mpi_montmul( X, X, N, mm, &T );
+
+ wbits <<= 1;
+
+ if( ( wbits & ( one << wsize ) ) != 0 )
+ mpi_montmul( X, &W[1], N, mm, &T );
+ }
+
+ /*
+ * X = A^E * R * R^-1 mod N = A^E mod N
+ */
+ mpi_montred( X, N, mm, &T );
+
+ if( neg )
+ {
+ X->s = -1;
+ MPI_CHK( mpi_add_mpi( X, N, X ) );
+ }
+
+cleanup:
+
+ for( i = ( one << ( wsize - 1 ) ); i < ( one << wsize ); i++ )
+ mpi_free( &W[i] );
+
+ mpi_free( &W[1] ); mpi_free( &T ); mpi_free( &Apos );
+
+ if( _RR == NULL || _RR->p == NULL )
+ mpi_free( &RR );
+
+ return( ret );
+}
+
+#if 0
+
+/*
+ * Greatest common divisor: G = gcd(A, B) (HAC 14.54)
+ */
+int mpi_gcd( mpi *G, const mpi *A, const mpi *B )
+{
+ int ret;
+ size_t lz, lzt;
+ mpi TG, TA, TB;
+
+ mpi_init( &TG ); mpi_init( &TA ); mpi_init( &TB );
+
+ MPI_CHK( mpi_copy( &TA, A ) );
+ MPI_CHK( mpi_copy( &TB, B ) );
+
+ lz = mpi_lsb( &TA );
+ lzt = mpi_lsb( &TB );
+
+ if( lzt < lz )
+ lz = lzt;
+
+ MPI_CHK( mpi_shift_r( &TA, lz ) );
+ MPI_CHK( mpi_shift_r( &TB, lz ) );
+
+ TA.s = TB.s = 1;
+
+ while( mpi_cmp_int( &TA, 0 ) != 0 )
+ {
+ MPI_CHK( mpi_shift_r( &TA, mpi_lsb( &TA ) ) );
+ MPI_CHK( mpi_shift_r( &TB, mpi_lsb( &TB ) ) );
+
+ if( mpi_cmp_mpi( &TA, &TB ) >= 0 )
+ {
+ MPI_CHK( mpi_sub_abs( &TA, &TA, &TB ) );
+ MPI_CHK( mpi_shift_r( &TA, 1 ) );
+ }
+ else
+ {
+ MPI_CHK( mpi_sub_abs( &TB, &TB, &TA ) );
+ MPI_CHK( mpi_shift_r( &TB, 1 ) );
+ }
+ }
+
+ MPI_CHK( mpi_shift_l( &TB, lz ) );
+ MPI_CHK( mpi_copy( G, &TB ) );
+
+cleanup:
+
+ mpi_free( &TG ); mpi_free( &TA ); mpi_free( &TB );
+
+ return( ret );
+}
+
+/*
+ * Fill X with size bytes of random.
+ *
+ * Use a temporary bytes representation to make sure the result is the same
+ * regardless of the platform endianness (useful when f_rng is actually
+ * deterministic, eg for tests).
+ */
+int mpi_fill_random( mpi *X, size_t size,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng )
+{
+ int ret;
+ unsigned char buf[POLARSSL_MPI_MAX_SIZE];
+
+ if( size > POLARSSL_MPI_MAX_SIZE )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ MPI_CHK( f_rng( p_rng, buf, size ) );
+ MPI_CHK( mpi_read_binary( X, buf, size ) );
+
+cleanup:
+ return( ret );
+}
+
+/*
+ * Modular inverse: X = A^-1 mod N (HAC 14.61 / 14.64)
+ */
+int mpi_inv_mod( mpi *X, const mpi *A, const mpi *N )
+{
+ int ret;
+ mpi G, TA, TU, U1, U2, TB, TV, V1, V2;
+
+ if( mpi_cmp_int( N, 0 ) <= 0 )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ mpi_init( &TA ); mpi_init( &TU ); mpi_init( &U1 ); mpi_init( &U2 );
+ mpi_init( &G ); mpi_init( &TB ); mpi_init( &TV );
+ mpi_init( &V1 ); mpi_init( &V2 );
+
+ MPI_CHK( mpi_gcd( &G, A, N ) );
+
+ if( mpi_cmp_int( &G, 1 ) != 0 )
+ {
+ ret = POLARSSL_ERR_MPI_NOT_ACCEPTABLE;
+ goto cleanup;
+ }
+
+ MPI_CHK( mpi_mod_mpi( &TA, A, N ) );
+ MPI_CHK( mpi_copy( &TU, &TA ) );
+ MPI_CHK( mpi_copy( &TB, N ) );
+ MPI_CHK( mpi_copy( &TV, N ) );
+
+ MPI_CHK( mpi_lset( &U1, 1 ) );
+ MPI_CHK( mpi_lset( &U2, 0 ) );
+ MPI_CHK( mpi_lset( &V1, 0 ) );
+ MPI_CHK( mpi_lset( &V2, 1 ) );
+
+ do
+ {
+ while( ( TU.p[0] & 1 ) == 0 )
+ {
+ MPI_CHK( mpi_shift_r( &TU, 1 ) );
+
+ if( ( U1.p[0] & 1 ) != 0 || ( U2.p[0] & 1 ) != 0 )
+ {
+ MPI_CHK( mpi_add_mpi( &U1, &U1, &TB ) );
+ MPI_CHK( mpi_sub_mpi( &U2, &U2, &TA ) );
+ }
+
+ MPI_CHK( mpi_shift_r( &U1, 1 ) );
+ MPI_CHK( mpi_shift_r( &U2, 1 ) );
+ }
+
+ while( ( TV.p[0] & 1 ) == 0 )
+ {
+ MPI_CHK( mpi_shift_r( &TV, 1 ) );
+
+ if( ( V1.p[0] & 1 ) != 0 || ( V2.p[0] & 1 ) != 0 )
+ {
+ MPI_CHK( mpi_add_mpi( &V1, &V1, &TB ) );
+ MPI_CHK( mpi_sub_mpi( &V2, &V2, &TA ) );
+ }
+
+ MPI_CHK( mpi_shift_r( &V1, 1 ) );
+ MPI_CHK( mpi_shift_r( &V2, 1 ) );
+ }
+
+ if( mpi_cmp_mpi( &TU, &TV ) >= 0 )
+ {
+ MPI_CHK( mpi_sub_mpi( &TU, &TU, &TV ) );
+ MPI_CHK( mpi_sub_mpi( &U1, &U1, &V1 ) );
+ MPI_CHK( mpi_sub_mpi( &U2, &U2, &V2 ) );
+ }
+ else
+ {
+ MPI_CHK( mpi_sub_mpi( &TV, &TV, &TU ) );
+ MPI_CHK( mpi_sub_mpi( &V1, &V1, &U1 ) );
+ MPI_CHK( mpi_sub_mpi( &V2, &V2, &U2 ) );
+ }
+ }
+ while( mpi_cmp_int( &TU, 0 ) != 0 );
+
+ while( mpi_cmp_int( &V1, 0 ) < 0 )
+ MPI_CHK( mpi_add_mpi( &V1, &V1, N ) );
+
+ while( mpi_cmp_mpi( &V1, N ) >= 0 )
+ MPI_CHK( mpi_sub_mpi( &V1, &V1, N ) );
+
+ MPI_CHK( mpi_copy( X, &V1 ) );
+
+cleanup:
+
+ mpi_free( &TA ); mpi_free( &TU ); mpi_free( &U1 ); mpi_free( &U2 );
+ mpi_free( &G ); mpi_free( &TB ); mpi_free( &TV );
+ mpi_free( &V1 ); mpi_free( &V2 );
+
+ return( ret );
+}
+
+#endif
+
+#if defined(POLARSSL_GENPRIME)
+
+static const int small_prime[] =
+{
+ 3, 5, 7, 11, 13, 17, 19, 23,
+ 29, 31, 37, 41, 43, 47, 53, 59,
+ 61, 67, 71, 73, 79, 83, 89, 97,
+ 101, 103, 107, 109, 113, 127, 131, 137,
+ 139, 149, 151, 157, 163, 167, 173, 179,
+ 181, 191, 193, 197, 199, 211, 223, 227,
+ 229, 233, 239, 241, 251, 257, 263, 269,
+ 271, 277, 281, 283, 293, 307, 311, 313,
+ 317, 331, 337, 347, 349, 353, 359, 367,
+ 373, 379, 383, 389, 397, 401, 409, 419,
+ 421, 431, 433, 439, 443, 449, 457, 461,
+ 463, 467, 479, 487, 491, 499, 503, 509,
+ 521, 523, 541, 547, 557, 563, 569, 571,
+ 577, 587, 593, 599, 601, 607, 613, 617,
+ 619, 631, 641, 643, 647, 653, 659, 661,
+ 673, 677, 683, 691, 701, 709, 719, 727,
+ 733, 739, 743, 751, 757, 761, 769, 773,
+ 787, 797, 809, 811, 821, 823, 827, 829,
+ 839, 853, 857, 859, 863, 877, 881, 883,
+ 887, 907, 911, 919, 929, 937, 941, 947,
+ 953, 967, 971, 977, 983, 991, 997, -103
+};
+
+/*
+ * Small divisors test (X must be positive)
+ *
+ * Return values:
+ * 0: no small factor (possible prime, more tests needed)
+ * 1: certain prime
+ * POLARSSL_ERR_MPI_NOT_ACCEPTABLE: certain non-prime
+ * other negative: error
+ */
+static int mpi_check_small_factors( const mpi *X )
+{
+ int ret = 0;
+ size_t i;
+ t_uint r;
+
+ if( ( X->p[0] & 1 ) == 0 )
+ return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE );
+
+ for( i = 0; small_prime[i] > 0; i++ )
+ {
+ if( mpi_cmp_int( X, small_prime[i] ) <= 0 )
+ return( 1 );
+
+ MPI_CHK( mpi_mod_int( &r, X, small_prime[i] ) );
+
+ if( r == 0 )
+ return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE );
+ }
+
+cleanup:
+ return( ret );
+}
+
+/*
+ * Miller-Rabin pseudo-primality test (HAC 4.24)
+ */
+static int mpi_miller_rabin( const mpi *X,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng )
+{
+ int ret, count;
+ size_t i, j, k, n, s;
+ mpi W, R, T, A, RR;
+
+ mpi_init( &W ); mpi_init( &R ); mpi_init( &T ); mpi_init( &A );
+ mpi_init( &RR );
+
+ /*
+ * W = |X| - 1
+ * R = W >> lsb( W )
+ */
+ MPI_CHK( mpi_sub_int( &W, X, 1 ) );
+ s = mpi_lsb( &W );
+ MPI_CHK( mpi_copy( &R, &W ) );
+ MPI_CHK( mpi_shift_r( &R, s ) );
+
+ i = mpi_msb( X );
+ /*
+ * HAC, table 4.4
+ */
+ n = ( ( i >= 1300 ) ? 2 : ( i >= 850 ) ? 3 :
+ ( i >= 650 ) ? 4 : ( i >= 350 ) ? 8 :
+ ( i >= 250 ) ? 12 : ( i >= 150 ) ? 18 : 27 );
+
+ for( i = 0; i < n; i++ )
+ {
+ /*
+ * pick a random A, 1 < A < |X| - 1
+ */
+
+ count = 0;
+ do {
+ MPI_CHK( mpi_fill_random( &A, X->n * ciL, f_rng, p_rng ) );
+
+ j = mpi_msb( &A );
+ k = mpi_msb( &W );
+ if (j > k) {
+ MPI_CHK( mpi_shift_r( &A, j - k ) );
+ }
+
+ if (count++ > 30) {
+ return POLARSSL_ERR_MPI_NOT_ACCEPTABLE;
+ }
+
+ } while ( (mpi_cmp_mpi( &A, &W ) >= 0) ||
+ (mpi_cmp_int( &A, 1 ) <= 0) );
+
+ /*
+ * A = A^R mod |X|
+ */
+ MPI_CHK( mpi_exp_mod( &A, &A, &R, X, &RR ) );
+
+ if( mpi_cmp_mpi( &A, &W ) == 0 ||
+ mpi_cmp_int( &A, 1 ) == 0 )
+ continue;
+
+ j = 1;
+ while( j < s && mpi_cmp_mpi( &A, &W ) != 0 )
+ {
+ /*
+ * A = A * A mod |X|
+ */
+ MPI_CHK( mpi_mul_mpi( &T, &A, &A ) );
+ MPI_CHK( mpi_mod_mpi( &A, &T, X ) );
+
+ if( mpi_cmp_int( &A, 1 ) == 0 )
+ break;
+
+ j++;
+ }
+
+ /*
+ * not prime if A != |X| - 1 or A == 1
+ */
+ if( mpi_cmp_mpi( &A, &W ) != 0 ||
+ mpi_cmp_int( &A, 1 ) == 0 )
+ {
+ ret = POLARSSL_ERR_MPI_NOT_ACCEPTABLE;
+ break;
+ }
+ }
+
+cleanup:
+ mpi_free( &W ); mpi_free( &R ); mpi_free( &T ); mpi_free( &A );
+ mpi_free( &RR );
+
+ return( ret );
+}
+
+/*
+ * Pseudo-primality test: small factors, then Miller-Rabin
+ */
+int mpi_is_prime( mpi *X,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng )
+{
+ int ret;
+ mpi XX;
+
+ XX.s = 1;
+ XX.n = X->n;
+ XX.p = X->p;
+
+ if( mpi_cmp_int( &XX, 0 ) == 0 ||
+ mpi_cmp_int( &XX, 1 ) == 0 )
+ return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE );
+
+ if( mpi_cmp_int( &XX, 2 ) == 0 )
+ return( 0 );
+
+ if( ( ret = mpi_check_small_factors( &XX ) ) != 0 )
+ {
+ if( ret == 1 )
+ return( 0 );
+
+ return( ret );
+ }
+
+ return( mpi_miller_rabin( &XX, f_rng, p_rng ) );
+}
+
+/*
+ * Prime number generation
+ */
+int mpi_gen_prime( mpi *X, size_t nbits, int dh_flag,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng )
+{
+ int ret;
+ size_t k, n;
+ t_uint r;
+ mpi Y;
+
+ if( nbits < 3 || nbits > POLARSSL_MPI_MAX_BITS )
+ return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
+
+ mpi_init( &Y );
+
+ n = BITS_TO_LIMBS( nbits );
+
+ MPI_CHK( mpi_fill_random( X, n * ciL, f_rng, p_rng ) );
+
+ k = mpi_msb( X );
+ if( k > nbits ) MPI_CHK( mpi_shift_r( X, k - nbits + 1 ) );
+
+ mpi_set_bit( X, nbits-1, 1 );
+
+ X->p[0] |= 1;
+
+ if( dh_flag == 0 )
+ {
+ while( ( ret = mpi_is_prime( X, f_rng, p_rng ) ) != 0 )
+ {
+ if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE )
+ goto cleanup;
+
+ MPI_CHK( mpi_add_int( X, X, 2 ) );
+ }
+ }
+ else
+ {
+ /*
+ * An necessary condition for Y and X = 2Y + 1 to be prime
+ * is X = 2 mod 3 (which is equivalent to Y = 2 mod 3).
+ * Make sure it is satisfied, while keeping X = 3 mod 4
+ */
+
+ X->p[0] |= 2;
+
+ MPI_CHK( mpi_mod_int( &r, X, 3 ) );
+ if( r == 0 )
+ MPI_CHK( mpi_add_int( X, X, 8 ) );
+ else if( r == 1 )
+ MPI_CHK( mpi_add_int( X, X, 4 ) );
+
+ /* Set Y = (X-1) / 2, which is X / 2 because X is odd */
+ MPI_CHK( mpi_copy( &Y, X ) );
+ MPI_CHK( mpi_shift_r( &Y, 1 ) );
+
+ while( 1 )
+ {
+ /*
+ * First, check small factors for X and Y
+ * before doing Miller-Rabin on any of them
+ */
+ if( ( ret = mpi_check_small_factors( X ) ) == 0 &&
+ ( ret = mpi_check_small_factors( &Y ) ) == 0 &&
+ ( ret = mpi_miller_rabin( X, f_rng, p_rng ) ) == 0 &&
+ ( ret = mpi_miller_rabin( &Y, f_rng, p_rng ) ) == 0 )
+ {
+ break;
+ }
+
+ if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE )
+ goto cleanup;
+
+ /*
+ * Next candidates. We want to preserve Y = (X-1) / 2 and
+ * Y = 1 mod 2 and Y = 2 mod 3 (eq X = 3 mod 4 and X = 2 mod 3)
+ * so up Y by 6 and X by 12.
+ */
+ MPI_CHK( mpi_add_int( X, X, 12 ) );
+ MPI_CHK( mpi_add_int( &Y, &Y, 6 ) );
+ }
+ }
+
+cleanup:
+
+ mpi_free( &Y );
+
+ return( ret );
+}
+
+#endif /* POLARSSL_GENPRIME */
+
+#if defined(POLARSSL_SELF_TEST)
+
+#define GCD_PAIR_COUNT 3
+
+static const int gcd_pairs[GCD_PAIR_COUNT][3] =
+{
+ { 693, 609, 21 },
+ { 1764, 868, 28 },
+ { 768454923, 542167814, 1 }
+};
+
+/*
+ * Checkup routine
+ */
+int mpi_self_test( int verbose )
+{
+ int ret, i;
+ mpi A, E, N, X, Y, U, V;
+
+ mpi_init( &A ); mpi_init( &E ); mpi_init( &N ); mpi_init( &X );
+ mpi_init( &Y ); mpi_init( &U ); mpi_init( &V );
+
+ MPI_CHK( mpi_read_string( &A, 16,
+ "EFE021C2645FD1DC586E69184AF4A31E" \
+ "D5F53E93B5F123FA41680867BA110131" \
+ "944FE7952E2517337780CB0DB80E61AA" \
+ "E7C8DDC6C5C6AADEB34EB38A2F40D5E6" ) );
+
+ MPI_CHK( mpi_read_string( &E, 16,
+ "B2E7EFD37075B9F03FF989C7C5051C20" \
+ "34D2A323810251127E7BF8625A4F49A5" \
+ "F3E27F4DA8BD59C47D6DAABA4C8127BD" \
+ "5B5C25763222FEFCCFC38B832366C29E" ) );
+
+ MPI_CHK( mpi_read_string( &N, 16,
+ "0066A198186C18C10B2F5ED9B522752A" \
+ "9830B69916E535C8F047518A889A43A5" \
+ "94B6BED27A168D31D4A52F88925AA8F5" ) );
+
+ MPI_CHK( mpi_mul_mpi( &X, &A, &N ) );
+
+ MPI_CHK( mpi_read_string( &U, 16,
+ "602AB7ECA597A3D6B56FF9829A5E8B85" \
+ "9E857EA95A03512E2BAE7391688D264A" \
+ "A5663B0341DB9CCFD2C4C5F421FEC814" \
+ "8001B72E848A38CAE1C65F78E56ABDEF" \
+ "E12D3C039B8A02D6BE593F0BBBDA56F1" \
+ "ECF677152EF804370C1A305CAF3B5BF1" \
+ "30879B56C61DE584A0F53A2447A51E" ) );
+
+ if( verbose != 0 )
+ polarssl_printf( " MPI test #1 (mul_mpi): " );
+
+ if( mpi_cmp_mpi( &X, &U ) != 0 )
+ {
+ if( verbose != 0 )
+ polarssl_printf( "failed\n" );
+
+ ret = 1;
+ goto cleanup;
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+ MPI_CHK( mpi_div_mpi( &X, &Y, &A, &N ) );
+
+ MPI_CHK( mpi_read_string( &U, 16,
+ "256567336059E52CAE22925474705F39A94" ) );
+
+ MPI_CHK( mpi_read_string( &V, 16,
+ "6613F26162223DF488E9CD48CC132C7A" \
+ "0AC93C701B001B092E4E5B9F73BCD27B" \
+ "9EE50D0657C77F374E903CDFA4C642" ) );
+
+ if( verbose != 0 )
+ polarssl_printf( " MPI test #2 (div_mpi): " );
+
+ if( mpi_cmp_mpi( &X, &U ) != 0 ||
+ mpi_cmp_mpi( &Y, &V ) != 0 )
+ {
+ if( verbose != 0 )
+ polarssl_printf( "failed\n" );
+
+ ret = 1;
+ goto cleanup;
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+ MPI_CHK( mpi_exp_mod( &X, &A, &E, &N, NULL ) );
+
+ MPI_CHK( mpi_read_string( &U, 16,
+ "36E139AEA55215609D2816998ED020BB" \
+ "BD96C37890F65171D948E9BC7CBAA4D9" \
+ "325D24D6A3C12710F10A09FA08AB87" ) );
+
+ if( verbose != 0 )
+ polarssl_printf( " MPI test #3 (exp_mod): " );
+
+ if( mpi_cmp_mpi( &X, &U ) != 0 )
+ {
+ if( verbose != 0 )
+ polarssl_printf( "failed\n" );
+
+ ret = 1;
+ goto cleanup;
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+ MPI_CHK( mpi_inv_mod( &X, &A, &N ) );
+
+ MPI_CHK( mpi_read_string( &U, 16,
+ "003A0AAEDD7E784FC07D8F9EC6E3BFD5" \
+ "C3DBA76456363A10869622EAC2DD84EC" \
+ "C5B8A74DAC4D09E03B5E0BE779F2DF61" ) );
+
+ if( verbose != 0 )
+ polarssl_printf( " MPI test #4 (inv_mod): " );
+
+ if( mpi_cmp_mpi( &X, &U ) != 0 )
+ {
+ if( verbose != 0 )
+ polarssl_printf( "failed\n" );
+
+ ret = 1;
+ goto cleanup;
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+ if( verbose != 0 )
+ polarssl_printf( " MPI test #5 (simple gcd): " );
+
+ for( i = 0; i < GCD_PAIR_COUNT; i++ )
+ {
+ MPI_CHK( mpi_lset( &X, gcd_pairs[i][0] ) );
+ MPI_CHK( mpi_lset( &Y, gcd_pairs[i][1] ) );
+
+ MPI_CHK( mpi_gcd( &A, &X, &Y ) );
+
+ if( mpi_cmp_int( &A, gcd_pairs[i][2] ) != 0 )
+ {
+ if( verbose != 0 )
+ polarssl_printf( "failed at %d\n", i );
+
+ ret = 1;
+ goto cleanup;
+ }
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+cleanup:
+
+ if( ret != 0 && verbose != 0 )
+ polarssl_printf( "Unexpected error, return code = %08X\n", ret );
+
+ mpi_free( &A ); mpi_free( &E ); mpi_free( &N ); mpi_free( &X );
+ mpi_free( &Y ); mpi_free( &U ); mpi_free( &V );
+
+ if( verbose != 0 )
+ polarssl_printf( "\n" );
+
+ return( ret );
+}
+
+#endif /* POLARSSL_SELF_TEST */
+
+#endif /* POLARSSL_BIGNUM_C */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/bignum.h b/arduino/libraries/BLEHomekit/src/crypto/srp/bignum.h
new file mode 100755
index 0000000..8e1687b
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/bignum.h
@@ -0,0 +1,754 @@
+/**
+ * \file bignum.h
+ *
+ * \brief Multi-precision integer library
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef POLARSSL_BIGNUM_H
+#define POLARSSL_BIGNUM_H
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#include <stddef.h>
+
+#if defined(POLARSSL_FS_IO)
+#include <stdio.h>
+#endif
+
+#if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
+#include <basetsd.h>
+#if (_MSC_VER <= 1200)
+typedef signed short int16_t;
+typedef unsigned short uint16_t;
+#else
+typedef INT16 int16_t;
+typedef UINT16 uint16_t;
+#endif
+typedef INT32 int32_t;
+typedef INT64 int64_t;
+typedef UINT32 uint32_t;
+typedef UINT64 uint64_t;
+#else
+#include <inttypes.h>
+#endif /* _MSC_VER && !EFIX64 && !EFI32 */
+
+#define POLARSSL_ERR_MPI_FILE_IO_ERROR -0x0002 /**< An error occurred while reading from or writing to a file. */
+#define POLARSSL_ERR_MPI_BAD_INPUT_DATA -0x0004 /**< Bad input parameters to function. */
+#define POLARSSL_ERR_MPI_INVALID_CHARACTER -0x0006 /**< There is an invalid character in the digit string. */
+#define POLARSSL_ERR_MPI_BUFFER_TOO_SMALL -0x0008 /**< The buffer is too small to write to. */
+#define POLARSSL_ERR_MPI_NEGATIVE_VALUE -0x000A /**< The input arguments are negative or result in illegal output. */
+#define POLARSSL_ERR_MPI_DIVISION_BY_ZERO -0x000C /**< The input argument for division is zero, which is not allowed. */
+#define POLARSSL_ERR_MPI_NOT_ACCEPTABLE -0x000E /**< The input arguments are not acceptable. */
+#define POLARSSL_ERR_MPI_MALLOC_FAILED -0x0010 /**< Memory allocation failed. */
+
+#define MPI_CHK(f) do { if( ( ret = f ) != 0 ) goto cleanup; } while( 0 )
+
+/*
+ * Maximum size MPIs are allowed to grow to in number of limbs.
+ */
+#define POLARSSL_MPI_MAX_LIMBS 10000
+
+#if !defined(POLARSSL_MPI_WINDOW_SIZE)
+/*
+ * Maximum window size used for modular exponentiation. Default: 6
+ * Minimum value: 1. Maximum value: 6.
+ *
+ * Result is an array of ( 2 << POLARSSL_MPI_WINDOW_SIZE ) MPIs used
+ * for the sliding window calculation. (So 64 by default)
+ *
+ * Reduction in size, reduces speed.
+ */
+#define POLARSSL_MPI_WINDOW_SIZE 6 /**< Maximum windows size used. */
+#endif /* !POLARSSL_MPI_WINDOW_SIZE */
+
+#if !defined(POLARSSL_MPI_MAX_SIZE)
+/*
+ * Maximum size of MPIs allowed in bits and bytes for user-MPIs.
+ * ( Default: 512 bytes => 4096 bits, Maximum tested: 2048 bytes => 16384 bits )
+ *
+ * Note: Calculations can results temporarily in larger MPIs. So the number
+ * of limbs required (POLARSSL_MPI_MAX_LIMBS) is higher.
+ */
+#define POLARSSL_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */
+#endif /* !POLARSSL_MPI_MAX_SIZE */
+
+#define POLARSSL_MPI_MAX_BITS ( 8 * POLARSSL_MPI_MAX_SIZE ) /**< Maximum number of bits for usable MPIs. */
+
+/*
+ * When reading from files with mpi_read_file() and writing to files with
+ * mpi_write_file() the buffer should have space
+ * for a (short) label, the MPI (in the provided radix), the newline
+ * characters and the '\0'.
+ *
+ * By default we assume at least a 10 char label, a minimum radix of 10
+ * (decimal) and a maximum of 4096 bit numbers (1234 decimal chars).
+ * Autosized at compile time for at least a 10 char label, a minimum radix
+ * of 10 (decimal) for a number of POLARSSL_MPI_MAX_BITS size.
+ *
+ * This used to be statically sized to 1250 for a maximum of 4096 bit
+ * numbers (1234 decimal chars).
+ *
+ * Calculate using the formula:
+ * POLARSSL_MPI_RW_BUFFER_SIZE = ceil(POLARSSL_MPI_MAX_BITS / ln(10) * ln(2)) +
+ * LabelSize + 6
+ */
+#define POLARSSL_MPI_MAX_BITS_SCALE100 ( 100 * POLARSSL_MPI_MAX_BITS )
+#define LN_2_DIV_LN_10_SCALE100 332
+#define POLARSSL_MPI_RW_BUFFER_SIZE ( ((POLARSSL_MPI_MAX_BITS_SCALE100 + LN_2_DIV_LN_10_SCALE100 - 1) / LN_2_DIV_LN_10_SCALE100) + 10 + 6 )
+
+/*
+ * Define the base integer type, architecture-wise
+ */
+#if defined(POLARSSL_HAVE_INT8)
+typedef signed char t_sint;
+typedef unsigned char t_uint;
+typedef uint16_t t_udbl;
+#define POLARSSL_HAVE_UDBL
+#else
+#if defined(POLARSSL_HAVE_INT16)
+typedef int16_t t_sint;
+typedef uint16_t t_uint;
+typedef uint32_t t_udbl;
+#define POLARSSL_HAVE_UDBL
+#else
+ /*
+ * 32-bit integers can be forced on 64-bit arches (eg. for testing purposes)
+ * by defining POLARSSL_HAVE_INT32 and undefining POLARSSL_HAVE_ASM
+ */
+ #if ( ! defined(POLARSSL_HAVE_INT32) && \
+ defined(_MSC_VER) && defined(_M_AMD64) )
+ #define POLARSSL_HAVE_INT64
+ typedef int64_t t_sint;
+ typedef uint64_t t_uint;
+ #else
+ #if ( ! defined(POLARSSL_HAVE_INT32) && \
+ defined(__GNUC__) && ( \
+ defined(__amd64__) || defined(__x86_64__) || \
+ defined(__ppc64__) || defined(__powerpc64__) || \
+ defined(__ia64__) || defined(__alpha__) || \
+ (defined(__sparc__) && defined(__arch64__)) || \
+ defined(__s390x__) || defined(__mips64) ) )
+ #define POLARSSL_HAVE_INT64
+ typedef int64_t t_sint;
+ typedef uint64_t t_uint;
+ typedef unsigned int t_udbl __attribute__((mode(TI)));
+ #define POLARSSL_HAVE_UDBL
+ #else
+ #define POLARSSL_HAVE_INT32
+ typedef int32_t t_sint;
+ typedef uint32_t t_uint;
+ #if ( defined(_MSC_VER) && defined(_M_IX86) )
+ typedef uint64_t t_udbl;
+ #define POLARSSL_HAVE_UDBL
+ #else
+ #if defined( POLARSSL_HAVE_LONGLONG )
+ typedef unsigned long long t_udbl;
+ #define POLARSSL_HAVE_UDBL
+ #endif
+ #endif
+ #endif /* !POLARSSL_HAVE_INT32 && __GNUC__ && 64-bit platform */
+ #endif /* !POLARSSL_HAVE_INT32 && _MSC_VER && _M_AMD64 */
+#endif /* POLARSSL_HAVE_INT16 */
+#endif /* POLARSSL_HAVE_INT8 */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief MPI structure
+ */
+typedef struct
+{
+ int s; /*!< integer sign */
+ size_t n; /*!< total # of limbs */
+ t_uint *p; /*!< pointer to limbs */
+}
+mpi;
+
+/**
+ * \brief Initialize one MPI (make internal references valid)
+ * This just makes it ready to be set or freed,
+ * but does not define a value for the MPI.
+ *
+ * \param X One MPI to initialize.
+ */
+void mpi_init( mpi *X );
+
+/**
+ * \brief Unallocate one MPI
+ *
+ * \param X One MPI to unallocate.
+ */
+void mpi_free( mpi *X );
+
+/**
+ * \brief Enlarge to the specified number of limbs
+ *
+ * \param X MPI to grow
+ * \param nblimbs The target number of limbs
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_grow( mpi *X, size_t nblimbs );
+
+/**
+ * \brief Resize down, keeping at least the specified number of limbs
+ *
+ * \param X MPI to shrink
+ * \param nblimbs The minimum number of limbs to keep
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_shrink( mpi *X, size_t nblimbs );
+
+/**
+ * \brief Copy the contents of Y into X
+ *
+ * \param X Destination MPI
+ * \param Y Source MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_copy( mpi *X, const mpi *Y );
+
+/**
+ * \brief Swap the contents of X and Y
+ *
+ * \param X First MPI value
+ * \param Y Second MPI value
+ */
+void mpi_swap( mpi *X, mpi *Y );
+
+/**
+ * \brief Safe conditional assignement X = Y if assign is 1
+ *
+ * \param X MPI to conditionally assign to
+ * \param Y Value to be assigned
+ * \param assign 1: perform the assignment, 0: keep X's original value
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ *
+ * \note This function is equivalent to
+ * if( assign ) mpi_copy( X, Y );
+ * except that it avoids leaking any information about whether
+ * the assignment was done or not (the above code may leak
+ * information through branch prediction and/or memory access
+ * patterns analysis).
+ */
+int mpi_safe_cond_assign( mpi *X, const mpi *Y, unsigned char assign );
+
+/**
+ * \brief Safe conditional swap X <-> Y if swap is 1
+ *
+ * \param X First mpi value
+ * \param Y Second mpi value
+ * \param assign 1: perform the swap, 0: keep X and Y's original values
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ *
+ * \note This function is equivalent to
+ * if( assign ) mpi_swap( X, Y );
+ * except that it avoids leaking any information about whether
+ * the assignment was done or not (the above code may leak
+ * information through branch prediction and/or memory access
+ * patterns analysis).
+ */
+int mpi_safe_cond_swap( mpi *X, mpi *Y, unsigned char assign );
+
+/**
+ * \brief Set value from integer
+ *
+ * \param X MPI to set
+ * \param z Value to use
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_lset( mpi *X, t_sint z );
+
+/**
+ * \brief Get a specific bit from X
+ *
+ * \param X MPI to use
+ * \param pos Zero-based index of the bit in X
+ *
+ * \return Either a 0 or a 1
+ */
+int mpi_get_bit( const mpi *X, size_t pos );
+
+/**
+ * \brief Set a bit of X to a specific value of 0 or 1
+ *
+ * \note Will grow X if necessary to set a bit to 1 in a not yet
+ * existing limb. Will not grow if bit should be set to 0
+ *
+ * \param X MPI to use
+ * \param pos Zero-based index of the bit in X
+ * \param val The value to set the bit to (0 or 1)
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_BAD_INPUT_DATA if val is not 0 or 1
+ */
+int mpi_set_bit( mpi *X, size_t pos, unsigned char val );
+
+/**
+ * \brief Return the number of zero-bits before the least significant
+ * '1' bit
+ *
+ * Note: Thus also the zero-based index of the least significant '1' bit
+ *
+ * \param X MPI to use
+ */
+size_t mpi_lsb( const mpi *X );
+
+/**
+ * \brief Return the number of bits up to and including the most
+ * significant '1' bit'
+ *
+ * Note: Thus also the one-based index of the most significant '1' bit
+ *
+ * \param X MPI to use
+ */
+size_t mpi_msb( const mpi *X );
+
+/**
+ * \brief Return the total size in bytes
+ *
+ * \param X MPI to use
+ */
+size_t mpi_size( const mpi *X );
+
+/**
+ * \brief Import from an ASCII string
+ *
+ * \param X Destination MPI
+ * \param radix Input numeric base
+ * \param s Null-terminated string buffer
+ *
+ * \return 0 if successful, or a POLARSSL_ERR_MPI_XXX error code
+ */
+int mpi_read_string( mpi *X, int radix, const char *s );
+
+/**
+ * \brief Export into an ASCII string
+ *
+ * \param X Source MPI
+ * \param radix Output numeric base
+ * \param s String buffer
+ * \param slen String buffer size
+ *
+ * \return 0 if successful, or a POLARSSL_ERR_MPI_XXX error code.
+ * *slen is always updated to reflect the amount
+ * of data that has (or would have) been written.
+ *
+ * \note Call this function with *slen = 0 to obtain the
+ * minimum required buffer size in *slen.
+ */
+int mpi_write_string( const mpi *X, int radix, char *s, size_t *slen );
+
+#if defined(POLARSSL_FS_IO)
+/**
+ * \brief Read X from an opened file
+ *
+ * \param X Destination MPI
+ * \param radix Input numeric base
+ * \param fin Input file handle
+ *
+ * \return 0 if successful, POLARSSL_ERR_MPI_BUFFER_TOO_SMALL if
+ * the file read buffer is too small or a
+ * POLARSSL_ERR_MPI_XXX error code
+ */
+int mpi_read_file( mpi *X, int radix, FILE *fin );
+
+/**
+ * \brief Write X into an opened file, or stdout if fout is NULL
+ *
+ * \param p Prefix, can be NULL
+ * \param X Source MPI
+ * \param radix Output numeric base
+ * \param fout Output file handle (can be NULL)
+ *
+ * \return 0 if successful, or a POLARSSL_ERR_MPI_XXX error code
+ *
+ * \note Set fout == NULL to print X on the console.
+ */
+int mpi_write_file( const char *p, const mpi *X, int radix, FILE *fout );
+#endif /* POLARSSL_FS_IO */
+
+/**
+ * \brief Import X from unsigned binary data, big endian
+ *
+ * \param X Destination MPI
+ * \param buf Input buffer
+ * \param buflen Input buffer size
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_read_binary( mpi *X, const unsigned char *buf, size_t buflen );
+
+/**
+ * \brief Export X into unsigned binary data, big endian.
+ * Always fills the whole buffer, which will start with zeros
+ * if the number is smaller.
+ *
+ * \param X Source MPI
+ * \param buf Output buffer
+ * \param buflen Output buffer size
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_BUFFER_TOO_SMALL if buf isn't large enough
+ */
+int mpi_write_binary( const mpi *X, unsigned char *buf, size_t buflen );
+
+/**
+ * \brief Left-shift: X <<= count
+ *
+ * \param X MPI to shift
+ * \param count Amount to shift
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_shift_l( mpi *X, size_t count );
+
+/**
+ * \brief Right-shift: X >>= count
+ *
+ * \param X MPI to shift
+ * \param count Amount to shift
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_shift_r( mpi *X, size_t count );
+
+/**
+ * \brief Compare unsigned values
+ *
+ * \param X Left-hand MPI
+ * \param Y Right-hand MPI
+ *
+ * \return 1 if |X| is greater than |Y|,
+ * -1 if |X| is lesser than |Y| or
+ * 0 if |X| is equal to |Y|
+ */
+int mpi_cmp_abs( const mpi *X, const mpi *Y );
+
+/**
+ * \brief Compare signed values
+ *
+ * \param X Left-hand MPI
+ * \param Y Right-hand MPI
+ *
+ * \return 1 if X is greater than Y,
+ * -1 if X is lesser than Y or
+ * 0 if X is equal to Y
+ */
+int mpi_cmp_mpi( const mpi *X, const mpi *Y );
+
+/**
+ * \brief Compare signed values
+ *
+ * \param X Left-hand MPI
+ * \param z The integer value to compare to
+ *
+ * \return 1 if X is greater than z,
+ * -1 if X is lesser than z or
+ * 0 if X is equal to z
+ */
+int mpi_cmp_int( const mpi *X, t_sint z );
+
+/**
+ * \brief Unsigned addition: X = |A| + |B|
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_add_abs( mpi *X, const mpi *A, const mpi *B );
+
+/**
+ * \brief Unsigned subtraction: X = |A| - |B|
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_NEGATIVE_VALUE if B is greater than A
+ */
+int mpi_sub_abs( mpi *X, const mpi *A, const mpi *B );
+
+/**
+ * \brief Signed addition: X = A + B
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_add_mpi( mpi *X, const mpi *A, const mpi *B );
+
+/**
+ * \brief Signed subtraction: X = A - B
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_sub_mpi( mpi *X, const mpi *A, const mpi *B );
+
+/**
+ * \brief Signed addition: X = A + b
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param b The integer value to add
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_add_int( mpi *X, const mpi *A, t_sint b );
+
+/**
+ * \brief Signed subtraction: X = A - b
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param b The integer value to subtract
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_sub_int( mpi *X, const mpi *A, t_sint b );
+
+/**
+ * \brief Baseline multiplication: X = A * B
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_mul_mpi( mpi *X, const mpi *A, const mpi *B );
+
+/**
+ * \brief Baseline multiplication: X = A * b
+ * Note: despite the functon signature, b is treated as a
+ * t_uint. Negative values of b are treated as large positive
+ * values.
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param b The integer value to multiply with
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_mul_int( mpi *X, const mpi *A, t_sint b );
+
+/**
+ * \brief Division by mpi: A = Q * B + R
+ *
+ * \param Q Destination MPI for the quotient
+ * \param R Destination MPI for the rest value
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_DIVISION_BY_ZERO if B == 0
+ *
+ * \note Either Q or R can be NULL.
+ */
+int mpi_div_mpi( mpi *Q, mpi *R, const mpi *A, const mpi *B );
+
+/**
+ * \brief Division by int: A = Q * b + R
+ *
+ * \param Q Destination MPI for the quotient
+ * \param R Destination MPI for the rest value
+ * \param A Left-hand MPI
+ * \param b Integer to divide by
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_DIVISION_BY_ZERO if b == 0
+ *
+ * \note Either Q or R can be NULL.
+ */
+int mpi_div_int( mpi *Q, mpi *R, const mpi *A, t_sint b );
+
+/**
+ * \brief Modulo: R = A mod B
+ *
+ * \param R Destination MPI for the rest value
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_DIVISION_BY_ZERO if B == 0,
+ * POLARSSL_ERR_MPI_NEGATIVE_VALUE if B < 0
+ */
+int mpi_mod_mpi( mpi *R, const mpi *A, const mpi *B );
+
+/**
+ * \brief Modulo: r = A mod b
+ *
+ * \param r Destination t_uint
+ * \param A Left-hand MPI
+ * \param b Integer to divide by
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_DIVISION_BY_ZERO if b == 0,
+ * POLARSSL_ERR_MPI_NEGATIVE_VALUE if b < 0
+ */
+int mpi_mod_int( t_uint *r, const mpi *A, t_sint b );
+
+/**
+ * \brief Sliding-window exponentiation: X = A^E mod N
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param E Exponent MPI
+ * \param N Modular MPI
+ * \param _RR Speed-up MPI used for recalculations
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_BAD_INPUT_DATA if N is negative or even or
+ * if E is negative
+ *
+ * \note _RR is used to avoid re-computing R*R mod N across
+ * multiple calls, which speeds up things a bit. It can
+ * be set to NULL if the extra performance is unneeded.
+ */
+int mpi_exp_mod( mpi *X, const mpi *A, const mpi *E, const mpi *N, mpi *_RR );
+
+/**
+ * \brief Fill an MPI X with size bytes of random
+ *
+ * \param X Destination MPI
+ * \param size Size in bytes
+ * \param f_rng RNG function
+ * \param p_rng RNG parameter
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_fill_random( mpi *X, size_t size,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng );
+
+/**
+ * \brief Greatest common divisor: G = gcd(A, B)
+ *
+ * \param G Destination MPI
+ * \param A Left-hand MPI
+ * \param B Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed
+ */
+int mpi_gcd( mpi *G, const mpi *A, const mpi *B );
+
+/**
+ * \brief Modular inverse: X = A^-1 mod N
+ *
+ * \param X Destination MPI
+ * \param A Left-hand MPI
+ * \param N Right-hand MPI
+ *
+ * \return 0 if successful,
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_BAD_INPUT_DATA if N is negative or nil
+ POLARSSL_ERR_MPI_NOT_ACCEPTABLE if A has no inverse mod N
+ */
+int mpi_inv_mod( mpi *X, const mpi *A, const mpi *N );
+
+/**
+ * \brief Miller-Rabin primality test
+ *
+ * \param X MPI to check
+ * \param f_rng RNG function
+ * \param p_rng RNG parameter
+ *
+ * \return 0 if successful (probably prime),
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_NOT_ACCEPTABLE if X is not prime
+ */
+int mpi_is_prime( mpi *X,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng );
+
+/**
+ * \brief Prime number generation
+ *
+ * \param X Destination MPI
+ * \param nbits Required size of X in bits
+ * ( 3 <= nbits <= POLARSSL_MPI_MAX_BITS )
+ * \param dh_flag If 1, then (X-1)/2 will be prime too
+ * \param f_rng RNG function
+ * \param p_rng RNG parameter
+ *
+ * \return 0 if successful (probably prime),
+ * POLARSSL_ERR_MPI_MALLOC_FAILED if memory allocation failed,
+ * POLARSSL_ERR_MPI_BAD_INPUT_DATA if nbits is < 3
+ */
+int mpi_gen_prime( mpi *X, size_t nbits, int dh_flag,
+ int (*f_rng)(void *, unsigned char *, size_t),
+ void *p_rng );
+
+/**
+ * \brief Checkup routine
+ *
+ * \return 0 if successful, or 1 if the test failed
+ */
+int mpi_self_test( int verbose );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* bignum.h */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/bn_mul.h b/arduino/libraries/BLEHomekit/src/crypto/srp/bn_mul.h
new file mode 100755
index 0000000..aa940a9
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/bn_mul.h
@@ -0,0 +1,870 @@
+/**
+ * \file bn_mul.h
+ *
+ * \brief Multi-precision integer library
+ *
+ * Copyright (C) 2006-2010, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ * Multiply source vector [s] with b, add result
+ * to destination vector [d] and set carry c.
+ *
+ * Currently supports:
+ *
+ * . IA-32 (386+) . AMD64 / EM64T
+ * . IA-32 (SSE2) . Motorola 68000
+ * . PowerPC, 32-bit . MicroBlaze
+ * . PowerPC, 64-bit . TriCore
+ * . SPARC v8 . ARM v3+
+ * . Alpha . MIPS32
+ * . C, longlong . C, generic
+ */
+#ifndef POLARSSL_BN_MUL_H
+#define POLARSSL_BN_MUL_H
+
+#include "bignum.h"
+
+#if defined(POLARSSL_HAVE_ASM)
+
+#if defined(__GNUC__)
+#if defined(__i386__)
+
+#define MULADDC_INIT \
+ asm( \
+ "movl %%ebx, %0 \n\t" \
+ "movl %5, %%esi \n\t" \
+ "movl %6, %%edi \n\t" \
+ "movl %7, %%ecx \n\t" \
+ "movl %8, %%ebx \n\t"
+
+#define MULADDC_CORE \
+ "lodsl \n\t" \
+ "mull %%ebx \n\t" \
+ "addl %%ecx, %%eax \n\t" \
+ "adcl $0, %%edx \n\t" \
+ "addl (%%edi), %%eax \n\t" \
+ "adcl $0, %%edx \n\t" \
+ "movl %%edx, %%ecx \n\t" \
+ "stosl \n\t"
+
+#if defined(POLARSSL_HAVE_SSE2)
+
+#define MULADDC_HUIT \
+ "movd %%ecx, %%mm1 \n\t" \
+ "movd %%ebx, %%mm0 \n\t" \
+ "movd (%%edi), %%mm3 \n\t" \
+ "paddq %%mm3, %%mm1 \n\t" \
+ "movd (%%esi), %%mm2 \n\t" \
+ "pmuludq %%mm0, %%mm2 \n\t" \
+ "movd 4(%%esi), %%mm4 \n\t" \
+ "pmuludq %%mm0, %%mm4 \n\t" \
+ "movd 8(%%esi), %%mm6 \n\t" \
+ "pmuludq %%mm0, %%mm6 \n\t" \
+ "movd 12(%%esi), %%mm7 \n\t" \
+ "pmuludq %%mm0, %%mm7 \n\t" \
+ "paddq %%mm2, %%mm1 \n\t" \
+ "movd 4(%%edi), %%mm3 \n\t" \
+ "paddq %%mm4, %%mm3 \n\t" \
+ "movd 8(%%edi), %%mm5 \n\t" \
+ "paddq %%mm6, %%mm5 \n\t" \
+ "movd 12(%%edi), %%mm4 \n\t" \
+ "paddq %%mm4, %%mm7 \n\t" \
+ "movd %%mm1, (%%edi) \n\t" \
+ "movd 16(%%esi), %%mm2 \n\t" \
+ "pmuludq %%mm0, %%mm2 \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "movd 20(%%esi), %%mm4 \n\t" \
+ "pmuludq %%mm0, %%mm4 \n\t" \
+ "paddq %%mm3, %%mm1 \n\t" \
+ "movd 24(%%esi), %%mm6 \n\t" \
+ "pmuludq %%mm0, %%mm6 \n\t" \
+ "movd %%mm1, 4(%%edi) \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "movd 28(%%esi), %%mm3 \n\t" \
+ "pmuludq %%mm0, %%mm3 \n\t" \
+ "paddq %%mm5, %%mm1 \n\t" \
+ "movd 16(%%edi), %%mm5 \n\t" \
+ "paddq %%mm5, %%mm2 \n\t" \
+ "movd %%mm1, 8(%%edi) \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "paddq %%mm7, %%mm1 \n\t" \
+ "movd 20(%%edi), %%mm5 \n\t" \
+ "paddq %%mm5, %%mm4 \n\t" \
+ "movd %%mm1, 12(%%edi) \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "paddq %%mm2, %%mm1 \n\t" \
+ "movd 24(%%edi), %%mm5 \n\t" \
+ "paddq %%mm5, %%mm6 \n\t" \
+ "movd %%mm1, 16(%%edi) \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "paddq %%mm4, %%mm1 \n\t" \
+ "movd 28(%%edi), %%mm5 \n\t" \
+ "paddq %%mm5, %%mm3 \n\t" \
+ "movd %%mm1, 20(%%edi) \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "paddq %%mm6, %%mm1 \n\t" \
+ "movd %%mm1, 24(%%edi) \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "paddq %%mm3, %%mm1 \n\t" \
+ "movd %%mm1, 28(%%edi) \n\t" \
+ "addl $32, %%edi \n\t" \
+ "addl $32, %%esi \n\t" \
+ "psrlq $32, %%mm1 \n\t" \
+ "movd %%mm1, %%ecx \n\t"
+
+#define MULADDC_STOP \
+ "emms \n\t" \
+ "movl %4, %%ebx \n\t" \
+ "movl %%ecx, %1 \n\t" \
+ "movl %%edi, %2 \n\t" \
+ "movl %%esi, %3 \n\t" \
+ : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "eax", "ecx", "edx", "esi", "edi" \
+ );
+
+#else
+
+#define MULADDC_STOP \
+ "movl %4, %%ebx \n\t" \
+ "movl %%ecx, %1 \n\t" \
+ "movl %%edi, %2 \n\t" \
+ "movl %%esi, %3 \n\t" \
+ : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "eax", "ecx", "edx", "esi", "edi" \
+ );
+#endif /* SSE2 */
+#endif /* i386 */
+
+#if defined(__amd64__) || defined (__x86_64__)
+
+#define MULADDC_INIT \
+ asm( \
+ "movq %3, %%rsi \n\t" \
+ "movq %4, %%rdi \n\t" \
+ "movq %5, %%rcx \n\t" \
+ "movq %6, %%rbx \n\t" \
+ "xorq %%r8, %%r8 \n\t"
+
+#define MULADDC_CORE \
+ "movq (%%rsi), %%rax \n\t" \
+ "mulq %%rbx \n\t" \
+ "addq $8, %%rsi \n\t" \
+ "addq %%rcx, %%rax \n\t" \
+ "movq %%r8, %%rcx \n\t" \
+ "adcq $0, %%rdx \n\t" \
+ "nop \n\t" \
+ "addq %%rax, (%%rdi) \n\t" \
+ "adcq %%rdx, %%rcx \n\t" \
+ "addq $8, %%rdi \n\t"
+
+#define MULADDC_STOP \
+ "movq %%rcx, %0 \n\t" \
+ "movq %%rdi, %1 \n\t" \
+ "movq %%rsi, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" \
+ );
+
+#endif /* AMD64 */
+
+#if defined(__mc68020__) || defined(__mcpu32__)
+
+#define MULADDC_INIT \
+ asm( \
+ "movl %3, %%a2 \n\t" \
+ "movl %4, %%a3 \n\t" \
+ "movl %5, %%d3 \n\t" \
+ "movl %6, %%d2 \n\t" \
+ "moveq #0, %%d0 \n\t"
+
+#define MULADDC_CORE \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d4:%%d1 \n\t" \
+ "addl %%d3, %%d1 \n\t" \
+ "addxl %%d0, %%d4 \n\t" \
+ "moveq #0, %%d3 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "addxl %%d4, %%d3 \n\t"
+
+#define MULADDC_STOP \
+ "movl %%d3, %0 \n\t" \
+ "movl %%a3, %1 \n\t" \
+ "movl %%a2, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \
+ );
+
+#define MULADDC_HUIT \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d4:%%d1 \n\t" \
+ "addxl %%d3, %%d1 \n\t" \
+ "addxl %%d0, %%d4 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d3:%%d1 \n\t" \
+ "addxl %%d4, %%d1 \n\t" \
+ "addxl %%d0, %%d3 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d4:%%d1 \n\t" \
+ "addxl %%d3, %%d1 \n\t" \
+ "addxl %%d0, %%d4 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d3:%%d1 \n\t" \
+ "addxl %%d4, %%d1 \n\t" \
+ "addxl %%d0, %%d3 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d4:%%d1 \n\t" \
+ "addxl %%d3, %%d1 \n\t" \
+ "addxl %%d0, %%d4 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d3:%%d1 \n\t" \
+ "addxl %%d4, %%d1 \n\t" \
+ "addxl %%d0, %%d3 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d4:%%d1 \n\t" \
+ "addxl %%d3, %%d1 \n\t" \
+ "addxl %%d0, %%d4 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "movel %%a2@+, %%d1 \n\t" \
+ "mulul %%d2, %%d3:%%d1 \n\t" \
+ "addxl %%d4, %%d1 \n\t" \
+ "addxl %%d0, %%d3 \n\t" \
+ "addl %%d1, %%a3@+ \n\t" \
+ "addxl %%d0, %%d3 \n\t"
+
+#endif /* MC68000 */
+
+#if defined(__powerpc64__) || defined(__ppc64__)
+
+#if defined(__MACH__) && defined(__APPLE__)
+
+#define MULADDC_INIT \
+ asm( \
+ "ld r3, %3 \n\t" \
+ "ld r4, %4 \n\t" \
+ "ld r5, %5 \n\t" \
+ "ld r6, %6 \n\t" \
+ "addi r3, r3, -8 \n\t" \
+ "addi r4, r4, -8 \n\t" \
+ "addic r5, r5, 0 \n\t"
+
+#define MULADDC_CORE \
+ "ldu r7, 8(r3) \n\t" \
+ "mulld r8, r7, r6 \n\t" \
+ "mulhdu r9, r7, r6 \n\t" \
+ "adde r8, r8, r5 \n\t" \
+ "ld r7, 8(r4) \n\t" \
+ "addze r5, r9 \n\t" \
+ "addc r8, r8, r7 \n\t" \
+ "stdu r8, 8(r4) \n\t"
+
+#define MULADDC_STOP \
+ "addze r5, r5 \n\t" \
+ "addi r4, r4, 8 \n\t" \
+ "addi r3, r3, 8 \n\t" \
+ "std r5, %0 \n\t" \
+ "std r4, %1 \n\t" \
+ "std r3, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
+ );
+
+
+#else /* __MACH__ && __APPLE__ */
+
+#define MULADDC_INIT \
+ asm( \
+ "ld %%r3, %3 \n\t" \
+ "ld %%r4, %4 \n\t" \
+ "ld %%r5, %5 \n\t" \
+ "ld %%r6, %6 \n\t" \
+ "addi %%r3, %%r3, -8 \n\t" \
+ "addi %%r4, %%r4, -8 \n\t" \
+ "addic %%r5, %%r5, 0 \n\t"
+
+#define MULADDC_CORE \
+ "ldu %%r7, 8(%%r3) \n\t" \
+ "mulld %%r8, %%r7, %%r6 \n\t" \
+ "mulhdu %%r9, %%r7, %%r6 \n\t" \
+ "adde %%r8, %%r8, %%r5 \n\t" \
+ "ld %%r7, 8(%%r4) \n\t" \
+ "addze %%r5, %%r9 \n\t" \
+ "addc %%r8, %%r8, %%r7 \n\t" \
+ "stdu %%r8, 8(%%r4) \n\t"
+
+#define MULADDC_STOP \
+ "addze %%r5, %%r5 \n\t" \
+ "addi %%r4, %%r4, 8 \n\t" \
+ "addi %%r3, %%r3, 8 \n\t" \
+ "std %%r5, %0 \n\t" \
+ "std %%r4, %1 \n\t" \
+ "std %%r3, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
+ );
+
+#endif /* __MACH__ && __APPLE__ */
+
+#elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */
+
+#if defined(__MACH__) && defined(__APPLE__)
+
+#define MULADDC_INIT \
+ asm( \
+ "lwz r3, %3 \n\t" \
+ "lwz r4, %4 \n\t" \
+ "lwz r5, %5 \n\t" \
+ "lwz r6, %6 \n\t" \
+ "addi r3, r3, -4 \n\t" \
+ "addi r4, r4, -4 \n\t" \
+ "addic r5, r5, 0 \n\t"
+
+#define MULADDC_CORE \
+ "lwzu r7, 4(r3) \n\t" \
+ "mullw r8, r7, r6 \n\t" \
+ "mulhwu r9, r7, r6 \n\t" \
+ "adde r8, r8, r5 \n\t" \
+ "lwz r7, 4(r4) \n\t" \
+ "addze r5, r9 \n\t" \
+ "addc r8, r8, r7 \n\t" \
+ "stwu r8, 4(r4) \n\t"
+
+#define MULADDC_STOP \
+ "addze r5, r5 \n\t" \
+ "addi r4, r4, 4 \n\t" \
+ "addi r3, r3, 4 \n\t" \
+ "stw r5, %0 \n\t" \
+ "stw r4, %1 \n\t" \
+ "stw r3, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
+ );
+
+#else /* __MACH__ && __APPLE__ */
+
+#define MULADDC_INIT \
+ asm( \
+ "lwz %%r3, %3 \n\t" \
+ "lwz %%r4, %4 \n\t" \
+ "lwz %%r5, %5 \n\t" \
+ "lwz %%r6, %6 \n\t" \
+ "addi %%r3, %%r3, -4 \n\t" \
+ "addi %%r4, %%r4, -4 \n\t" \
+ "addic %%r5, %%r5, 0 \n\t"
+
+#define MULADDC_CORE \
+ "lwzu %%r7, 4(%%r3) \n\t" \
+ "mullw %%r8, %%r7, %%r6 \n\t" \
+ "mulhwu %%r9, %%r7, %%r6 \n\t" \
+ "adde %%r8, %%r8, %%r5 \n\t" \
+ "lwz %%r7, 4(%%r4) \n\t" \
+ "addze %%r5, %%r9 \n\t" \
+ "addc %%r8, %%r8, %%r7 \n\t" \
+ "stwu %%r8, 4(%%r4) \n\t"
+
+#define MULADDC_STOP \
+ "addze %%r5, %%r5 \n\t" \
+ "addi %%r4, %%r4, 4 \n\t" \
+ "addi %%r3, %%r3, 4 \n\t" \
+ "stw %%r5, %0 \n\t" \
+ "stw %%r4, %1 \n\t" \
+ "stw %%r3, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \
+ );
+
+#endif /* __MACH__ && __APPLE__ */
+
+#endif /* PPC32 */
+
+/*
+ * The Sparc64 assembly is reported to be broken.
+ * Disable it for now, until we're able to fix it.
+ */
+#if 0 && defined(__sparc__) && defined(__sparc64__)
+
+#define MULADDC_INIT \
+ asm( \
+ "ldx %3, %%o0 \n\t" \
+ "ldx %4, %%o1 \n\t" \
+ "ld %5, %%o2 \n\t" \
+ "ld %6, %%o3 \n\t"
+
+#define MULADDC_CORE \
+ "ld [%%o0], %%o4 \n\t" \
+ "inc 4, %%o0 \n\t" \
+ "ld [%%o1], %%o5 \n\t" \
+ "umul %%o3, %%o4, %%o4 \n\t" \
+ "addcc %%o4, %%o2, %%o4 \n\t" \
+ "rd %%y, %%g1 \n\t" \
+ "addx %%g1, 0, %%g1 \n\t" \
+ "addcc %%o4, %%o5, %%o4 \n\t" \
+ "st %%o4, [%%o1] \n\t" \
+ "addx %%g1, 0, %%o2 \n\t" \
+ "inc 4, %%o1 \n\t"
+
+ #define MULADDC_STOP \
+ "st %%o2, %0 \n\t" \
+ "stx %%o1, %1 \n\t" \
+ "stx %%o0, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "g1", "o0", "o1", "o2", "o3", "o4", \
+ "o5" \
+ );
+#endif /* SPARCv9 */
+
+#if defined(__sparc__) && !defined(__sparc64__)
+
+#define MULADDC_INIT \
+ asm( \
+ "ld %3, %%o0 \n\t" \
+ "ld %4, %%o1 \n\t" \
+ "ld %5, %%o2 \n\t" \
+ "ld %6, %%o3 \n\t"
+
+#define MULADDC_CORE \
+ "ld [%%o0], %%o4 \n\t" \
+ "inc 4, %%o0 \n\t" \
+ "ld [%%o1], %%o5 \n\t" \
+ "umul %%o3, %%o4, %%o4 \n\t" \
+ "addcc %%o4, %%o2, %%o4 \n\t" \
+ "rd %%y, %%g1 \n\t" \
+ "addx %%g1, 0, %%g1 \n\t" \
+ "addcc %%o4, %%o5, %%o4 \n\t" \
+ "st %%o4, [%%o1] \n\t" \
+ "addx %%g1, 0, %%o2 \n\t" \
+ "inc 4, %%o1 \n\t"
+
+#define MULADDC_STOP \
+ "st %%o2, %0 \n\t" \
+ "st %%o1, %1 \n\t" \
+ "st %%o0, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "g1", "o0", "o1", "o2", "o3", "o4", \
+ "o5" \
+ );
+
+#endif /* SPARCv8 */
+
+#if defined(__microblaze__) || defined(microblaze)
+
+#define MULADDC_INIT \
+ asm( \
+ "lwi r3, %3 \n\t" \
+ "lwi r4, %4 \n\t" \
+ "lwi r5, %5 \n\t" \
+ "lwi r6, %6 \n\t" \
+ "andi r7, r6, 0xffff \n\t" \
+ "bsrli r6, r6, 16 \n\t"
+
+#define MULADDC_CORE \
+ "lhui r8, r3, 0 \n\t" \
+ "addi r3, r3, 2 \n\t" \
+ "lhui r9, r3, 0 \n\t" \
+ "addi r3, r3, 2 \n\t" \
+ "mul r10, r9, r6 \n\t" \
+ "mul r11, r8, r7 \n\t" \
+ "mul r12, r9, r7 \n\t" \
+ "mul r13, r8, r6 \n\t" \
+ "bsrli r8, r10, 16 \n\t" \
+ "bsrli r9, r11, 16 \n\t" \
+ "add r13, r13, r8 \n\t" \
+ "add r13, r13, r9 \n\t" \
+ "bslli r10, r10, 16 \n\t" \
+ "bslli r11, r11, 16 \n\t" \
+ "add r12, r12, r10 \n\t" \
+ "addc r13, r13, r0 \n\t" \
+ "add r12, r12, r11 \n\t" \
+ "addc r13, r13, r0 \n\t" \
+ "lwi r10, r4, 0 \n\t" \
+ "add r12, r12, r10 \n\t" \
+ "addc r13, r13, r0 \n\t" \
+ "add r12, r12, r5 \n\t" \
+ "addc r5, r13, r0 \n\t" \
+ "swi r12, r4, 0 \n\t" \
+ "addi r4, r4, 4 \n\t"
+
+#define MULADDC_STOP \
+ "swi r5, %0 \n\t" \
+ "swi r4, %1 \n\t" \
+ "swi r3, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "r3", "r4" "r5", "r6", "r7", "r8", \
+ "r9", "r10", "r11", "r12", "r13" \
+ );
+
+#endif /* MicroBlaze */
+
+#if defined(__tricore__)
+
+#define MULADDC_INIT \
+ asm( \
+ "ld.a %%a2, %3 \n\t" \
+ "ld.a %%a3, %4 \n\t" \
+ "ld.w %%d4, %5 \n\t" \
+ "ld.w %%d1, %6 \n\t" \
+ "xor %%d5, %%d5 \n\t"
+
+#define MULADDC_CORE \
+ "ld.w %%d0, [%%a2+] \n\t" \
+ "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \
+ "ld.w %%d0, [%%a3] \n\t" \
+ "addx %%d2, %%d2, %%d0 \n\t" \
+ "addc %%d3, %%d3, 0 \n\t" \
+ "mov %%d4, %%d3 \n\t" \
+ "st.w [%%a3+], %%d2 \n\t"
+
+#define MULADDC_STOP \
+ "st.w %0, %%d4 \n\t" \
+ "st.a %1, %%a3 \n\t" \
+ "st.a %2, %%a2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "d0", "d1", "e2", "d4", "a2", "a3" \
+ );
+
+#endif /* TriCore */
+
+#if defined(__arm__)
+
+#if defined(__thumb__) && !defined(__thumb2__)
+
+#define MULADDC_INIT \
+ asm( \
+ "ldr r0, %3 \n\t" \
+ "ldr r1, %4 \n\t" \
+ "ldr r2, %5 \n\t" \
+ "ldr r3, %6 \n\t" \
+ "lsr r7, r3, #16 \n\t" \
+ "mov r9, r7 \n\t" \
+ "lsl r7, r3, #16 \n\t" \
+ "lsr r7, r7, #16 \n\t" \
+ "mov r8, r7 \n\t"
+
+#define MULADDC_CORE \
+ "ldmia r0!, {r6} \n\t" \
+ "lsr r7, r6, #16 \n\t" \
+ "lsl r6, r6, #16 \n\t" \
+ "lsr r6, r6, #16 \n\t" \
+ "mov r4, r8 \n\t" \
+ "mul r4, r6 \n\t" \
+ "mov r3, r9 \n\t" \
+ "mul r6, r3 \n\t" \
+ "mov r5, r9 \n\t" \
+ "mul r5, r7 \n\t" \
+ "mov r3, r8 \n\t" \
+ "mul r7, r3 \n\t" \
+ "lsr r3, r6, #16 \n\t" \
+ "add r5, r5, r3 \n\t" \
+ "lsr r3, r7, #16 \n\t" \
+ "add r5, r5, r3 \n\t" \
+ "add r4, r4, r2 \n\t" \
+ "mov r2, #0 \n\t" \
+ "adc r5, r2 \n\t" \
+ "lsl r3, r6, #16 \n\t" \
+ "add r4, r4, r3 \n\t" \
+ "adc r5, r2 \n\t" \
+ "lsl r3, r7, #16 \n\t" \
+ "add r4, r4, r3 \n\t" \
+ "adc r5, r2 \n\t" \
+ "ldr r3, [r1] \n\t" \
+ "add r4, r4, r3 \n\t" \
+ "adc r2, r5 \n\t" \
+ "stmia r1!, {r4} \n\t"
+
+#define MULADDC_STOP \
+ "str r2, %0 \n\t" \
+ "str r1, %1 \n\t" \
+ "str r0, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "r0", "r1", "r2", "r3", "r4", "r5", \
+ "r6", "r7", "r8", "r9", "cc" \
+ );
+
+#else
+
+#define MULADDC_INIT \
+ asm( \
+ "ldr r0, %3 \n\t" \
+ "ldr r1, %4 \n\t" \
+ "ldr r2, %5 \n\t" \
+ "ldr r3, %6 \n\t"
+
+#define MULADDC_CORE \
+ "ldr r4, [r0], #4 \n\t" \
+ "mov r5, #0 \n\t" \
+ "ldr r6, [r1] \n\t" \
+ "umlal r2, r5, r3, r4 \n\t" \
+ "adds r7, r6, r2 \n\t" \
+ "adc r2, r5, #0 \n\t" \
+ "str r7, [r1], #4 \n\t"
+
+#define MULADDC_STOP \
+ "str r2, %0 \n\t" \
+ "str r1, %1 \n\t" \
+ "str r0, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "r0", "r1", "r2", "r3", "r4", "r5", \
+ "r6", "r7", "cc" \
+ );
+
+#endif /* Thumb */
+
+#endif /* ARMv3 */
+
+#if defined(__alpha__)
+
+#define MULADDC_INIT \
+ asm( \
+ "ldq $1, %3 \n\t" \
+ "ldq $2, %4 \n\t" \
+ "ldq $3, %5 \n\t" \
+ "ldq $4, %6 \n\t"
+
+#define MULADDC_CORE \
+ "ldq $6, 0($1) \n\t" \
+ "addq $1, 8, $1 \n\t" \
+ "mulq $6, $4, $7 \n\t" \
+ "umulh $6, $4, $6 \n\t" \
+ "addq $7, $3, $7 \n\t" \
+ "cmpult $7, $3, $3 \n\t" \
+ "ldq $5, 0($2) \n\t" \
+ "addq $7, $5, $7 \n\t" \
+ "cmpult $7, $5, $5 \n\t" \
+ "stq $7, 0($2) \n\t" \
+ "addq $2, 8, $2 \n\t" \
+ "addq $6, $3, $3 \n\t" \
+ "addq $5, $3, $3 \n\t"
+
+#define MULADDC_STOP \
+ "stq $3, %0 \n\t" \
+ "stq $2, %1 \n\t" \
+ "stq $1, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \
+ );
+#endif /* Alpha */
+
+#if defined(__mips__) && !defined(__mips64)
+
+#define MULADDC_INIT \
+ asm( \
+ "lw $10, %3 \n\t" \
+ "lw $11, %4 \n\t" \
+ "lw $12, %5 \n\t" \
+ "lw $13, %6 \n\t"
+
+#define MULADDC_CORE \
+ "lw $14, 0($10) \n\t" \
+ "multu $13, $14 \n\t" \
+ "addi $10, $10, 4 \n\t" \
+ "mflo $14 \n\t" \
+ "mfhi $9 \n\t" \
+ "addu $14, $12, $14 \n\t" \
+ "lw $15, 0($11) \n\t" \
+ "sltu $12, $14, $12 \n\t" \
+ "addu $15, $14, $15 \n\t" \
+ "sltu $14, $15, $14 \n\t" \
+ "addu $12, $12, $9 \n\t" \
+ "sw $15, 0($11) \n\t" \
+ "addu $12, $12, $14 \n\t" \
+ "addi $11, $11, 4 \n\t"
+
+#define MULADDC_STOP \
+ "sw $12, %0 \n\t" \
+ "sw $11, %1 \n\t" \
+ "sw $10, %2 \n\t" \
+ : "=m" (c), "=m" (d), "=m" (s) \
+ : "m" (s), "m" (d), "m" (c), "m" (b) \
+ : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \
+ );
+
+#endif /* MIPS */
+#endif /* GNUC */
+
+#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
+
+#define MULADDC_INIT \
+ __asm mov esi, s \
+ __asm mov edi, d \
+ __asm mov ecx, c \
+ __asm mov ebx, b
+
+#define MULADDC_CORE \
+ __asm lodsd \
+ __asm mul ebx \
+ __asm add eax, ecx \
+ __asm adc edx, 0 \
+ __asm add eax, [edi] \
+ __asm adc edx, 0 \
+ __asm mov ecx, edx \
+ __asm stosd
+
+#if defined(POLARSSL_HAVE_SSE2)
+
+#define EMIT __asm _emit
+
+#define MULADDC_HUIT \
+ EMIT 0x0F EMIT 0x6E EMIT 0xC9 \
+ EMIT 0x0F EMIT 0x6E EMIT 0xC3 \
+ EMIT 0x0F EMIT 0x6E EMIT 0x1F \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
+ EMIT 0x0F EMIT 0x6E EMIT 0x16 \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
+ EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
+ EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
+ EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
+ EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xDC \
+ EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xEE \
+ EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xFC \
+ EMIT 0x0F EMIT 0x7E EMIT 0x0F \
+ EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
+ EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \
+ EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \
+ EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCD \
+ EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \
+ EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCF \
+ EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \
+ EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCA \
+ EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \
+ EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCC \
+ EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xDD \
+ EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCE \
+ EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0xD4 EMIT 0xCB \
+ EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \
+ EMIT 0x83 EMIT 0xC7 EMIT 0x20 \
+ EMIT 0x83 EMIT 0xC6 EMIT 0x20 \
+ EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \
+ EMIT 0x0F EMIT 0x7E EMIT 0xC9
+
+#define MULADDC_STOP \
+ EMIT 0x0F EMIT 0x77 \
+ __asm mov c, ecx \
+ __asm mov d, edi \
+ __asm mov s, esi \
+
+#else
+
+#define MULADDC_STOP \
+ __asm mov c, ecx \
+ __asm mov d, edi \
+ __asm mov s, esi \
+
+#endif /* SSE2 */
+#endif /* MSVC */
+
+#endif /* POLARSSL_HAVE_ASM */
+
+#if !defined(MULADDC_CORE)
+#if defined(POLARSSL_HAVE_UDBL)
+
+#define MULADDC_INIT \
+{ \
+ t_udbl r; \
+ t_uint r0, r1;
+
+#define MULADDC_CORE \
+ r = *(s++) * (t_udbl) b; \
+ r0 = (t_uint) r; \
+ r1 = (t_uint)( r >> biL ); \
+ r0 += c; r1 += (r0 < c); \
+ r0 += *d; r1 += (r0 < *d); \
+ c = r1; *(d++) = r0;
+
+#define MULADDC_STOP \
+}
+
+#else
+#define MULADDC_INIT \
+{ \
+ t_uint s0, s1, b0, b1; \
+ t_uint r0, r1, rx, ry; \
+ b0 = ( b << biH ) >> biH; \
+ b1 = ( b >> biH );
+
+#define MULADDC_CORE \
+ s0 = ( *s << biH ) >> biH; \
+ s1 = ( *s >> biH ); s++; \
+ rx = s0 * b1; r0 = s0 * b0; \
+ ry = s1 * b0; r1 = s1 * b1; \
+ r1 += ( rx >> biH ); \
+ r1 += ( ry >> biH ); \
+ rx <<= biH; ry <<= biH; \
+ r0 += rx; r1 += (r0 < rx); \
+ r0 += ry; r1 += (r0 < ry); \
+ r0 += c; r1 += (r0 < c); \
+ r0 += *d; r1 += (r0 < *d); \
+ c = r1; *(d++) = r0;
+
+#define MULADDC_STOP \
+}
+
+#endif /* C (generic) */
+#endif /* C (longlong) */
+
+#endif /* bn_mul.h */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/check_config.h b/arduino/libraries/BLEHomekit/src/crypto/srp/check_config.h
new file mode 100755
index 0000000..f0d83c8
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/check_config.h
@@ -0,0 +1,495 @@
+/**
+ * \file check_config.h
+ *
+ * \brief Consistency checks for configuration options
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/*
+ * It is recommended to include this file from your config.h
+ * in order to catch dependency issues early.
+ */
+
+#ifndef POLARSSL_CHECK_CONFIG_H
+#define POLARSSL_CHECK_CONFIG_H
+
+#if defined(POLARSSL_DEPRECATED_WARNING) && \
+ !defined(__GNUC__) && !defined(__clang__)
+#error "POLARSSL_DEPRECATED_WARNING only works with GCC and Clang"
+#endif
+
+#if defined(POLARSSL_NET_C) && !defined(POLARSSL_HAVE_IPV6)
+#if defined(POLARSSL_DEPRECATED_WARNING)
+#warning "Using POLARSSL_NET_C without POLARSSL_HAVE_IPV6 is deprecated"
+#endif
+#if defined(POLARSSL_DEPRECATED_REMOVED)
+#define POLARSSL_HAVE_IPV6
+#endif
+#endif /* POLARSSL_NET_C && !POLARSSL_HAVE_IPV6 */
+
+#if defined(POLARSSL_AESNI_C) && !defined(POLARSSL_HAVE_ASM)
+#error "POLARSSL_AESNI_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_CERTS_C) && !defined(POLARSSL_PEM_PARSE_C)
+#error "POLARSSL_CERTS_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_CTR_DRBG_C) && !defined(POLARSSL_AES_C)
+#error "POLARSSL_CTR_DRBG_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_DHM_C) && !defined(POLARSSL_BIGNUM_C)
+#error "POLARSSL_DHM_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECDH_C) && !defined(POLARSSL_ECP_C)
+#error "POLARSSL_ECDH_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECDSA_C) && \
+ ( !defined(POLARSSL_ECP_C) || \
+ !defined(POLARSSL_ASN1_PARSE_C) || \
+ !defined(POLARSSL_ASN1_WRITE_C) )
+#error "POLARSSL_ECDSA_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECDSA_DETERMINISTIC) && !defined(POLARSSL_HMAC_DRBG_C)
+#error "POLARSSL_ECDSA_DETERMINISTIC defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ECP_C) && ( !defined(POLARSSL_BIGNUM_C) || ( \
+ !defined(POLARSSL_ECP_DP_SECP192R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_SECP224R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_SECP256R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_SECP384R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_SECP521R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_BP256R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_BP384R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_BP512R1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_SECP192K1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_SECP224K1_ENABLED) && \
+ !defined(POLARSSL_ECP_DP_SECP256K1_ENABLED) ) )
+#error "POLARSSL_ECP_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_ENTROPY_C) && (!defined(POLARSSL_SHA512_C) && \
+ !defined(POLARSSL_SHA256_C))
+#error "POLARSSL_ENTROPY_C defined, but not all prerequisites"
+#endif
+#if defined(POLARSSL_ENTROPY_C) && defined(POLARSSL_SHA512_C) && \
+ defined(CTR_DRBG_ENTROPY_LEN) && (CTR_DRBG_ENTROPY_LEN > 64)
+#error "CTR_DRBG_ENTROPY_LEN value too high"
+#endif
+#if defined(POLARSSL_ENTROPY_C) && \
+ ( !defined(POLARSSL_SHA512_C) || defined(POLARSSL_ENTROPY_FORCE_SHA256) ) \
+ && defined(CTR_DRBG_ENTROPY_LEN) && (CTR_DRBG_ENTROPY_LEN > 32)
+#error "CTR_DRBG_ENTROPY_LEN value too high"
+#endif
+#if defined(POLARSSL_ENTROPY_C) && \
+ defined(POLARSSL_ENTROPY_FORCE_SHA256) && !defined(POLARSSL_SHA256_C)
+#error "POLARSSL_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_GCM_C) && ( \
+ !defined(POLARSSL_AES_C) && !defined(POLARSSL_CAMELLIA_C) )
+#error "POLARSSL_GCM_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_HAVEGE_C) && !defined(POLARSSL_TIMING_C)
+#error "POLARSSL_HAVEGE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_HMAC_DRBG) && !defined(POLARSSL_MD_C)
+#error "POLARSSL_HMAC_DRBG_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) && \
+ ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_X509_CRT_PARSE_C) )
+#error "POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED) && \
+ ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_X509_CRT_PARSE_C) )
+#error "POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(POLARSSL_DHM_C)
+#error "POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED) && \
+ !defined(POLARSSL_ECDH_C)
+#error "POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED) && \
+ ( !defined(POLARSSL_DHM_C) || !defined(POLARSSL_RSA_C) || \
+ !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
+ ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_RSA_C) || \
+ !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) && \
+ ( !defined(POLARSSL_ECDH_C) || !defined(POLARSSL_ECDSA_C) || \
+ !defined(POLARSSL_X509_CRT_PARSE_C) )
+#error "POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED) && \
+ ( !defined(POLARSSL_RSA_C) || !defined(POLARSSL_X509_CRT_PARSE_C) || \
+ !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED) && \
+ ( !defined(POLARSSL_RSA_C) || !defined(POLARSSL_X509_CRT_PARSE_C) || \
+ !defined(POLARSSL_PKCS1_V15) )
+#error "POLARSSL_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_MEMORY_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C) && \
+ ( !defined(POLARSSL_PLATFORM_C) || !defined(POLARSSL_PLATFORM_MEMORY) )
+#error "POLARSSL_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PADLOCK_C) && !defined(POLARSSL_HAVE_ASM)
+#error "POLARSSL_PADLOCK_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PBKDF2_C) && !defined(POLARSSL_MD_C)
+#error "POLARSSL_PBKDF2_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PEM_PARSE_C) && !defined(POLARSSL_BASE64_C)
+#error "POLARSSL_PEM_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PEM_WRITE_C) && !defined(POLARSSL_BASE64_C)
+#error "POLARSSL_PEM_WRITE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PK_C) && \
+ ( !defined(POLARSSL_RSA_C) && !defined(POLARSSL_ECP_C) )
+#error "POLARSSL_PK_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PK_PARSE_C) && !defined(POLARSSL_PK_C)
+#error "POLARSSL_PK_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PK_WRITE_C) && !defined(POLARSSL_PK_C)
+#error "POLARSSL_PK_WRITE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PKCS11_C) && !defined(POLARSSL_PK_C)
+#error "POLARSSL_PKCS11_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_EXIT_ALT) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_EXIT_ALT defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_EXIT_MACRO) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_EXIT_MACRO) &&\
+ ( defined(POLARSSL_PLATFORM_STD_EXIT) ||\
+ defined(POLARSSL_PLATFORM_EXIT_ALT) )
+#error "POLARSSL_PLATFORM_EXIT_MACRO and POLARSSL_PLATFORM_STD_EXIT/POLARSSL_PLATFORM_EXIT_ALT cannot be defined simultaneously"
+#endif
+
+#if defined(POLARSSL_PLATFORM_FPRINTF_ALT) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_FPRINTF_MACRO) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_FPRINTF_MACRO) &&\
+ ( defined(POLARSSL_PLATFORM_STD_FPRINTF) ||\
+ defined(POLARSSL_PLATFORM_FPRINTF_ALT) )
+#error "POLARSSL_PLATFORM_FPRINTF_MACRO and POLARSSL_PLATFORM_STD_FPRINTF/POLARSSL_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
+#endif
+
+#if defined(POLARSSL_PLATFORM_FREE_MACRO) &&\
+ ( !defined(POLARSSL_PLATFORM_C) || !defined(POLARSSL_PLATFORM_MEMORY) )
+#error "POLARSSL_PLATFORM_FREE_MACRO defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_FREE_MACRO) &&\
+ defined(POLARSSL_PLATFORM_STD_FREE)
+#error "POLARSSL_PLATFORM_FREE_MACRO and POLARSSL_PLATFORM_STD_FREE cannot be defined simultaneously"
+#endif
+
+#if defined(POLARSSL_PLATFORM_FREE_MACRO) && !defined(POLARSSL_PLATFORM_MALLOC_MACRO)
+#error "POLARSSL_PLATFORM_MALLOC_MACRO must be defined if POLARSSL_PLATFORM_FREE_MACRO is"
+#endif
+
+#if defined(POLARSSL_PLATFORM_MALLOC_MACRO) &&\
+ ( !defined(POLARSSL_PLATFORM_C) || !defined(POLARSSL_PLATFORM_MEMORY) )
+#error "POLARSSL_PLATFORM_MALLOC_MACRO defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_MALLOC_MACRO) &&\
+ defined(POLARSSL_PLATFORM_STD_MALLOC)
+#error "POLARSSL_PLATFORM_MALLOC_MACRO and POLARSSL_PLATFORM_STD_MALLOC cannot be defined simultaneously"
+#endif
+
+#if defined(POLARSSL_PLATFORM_MALLOC_MACRO) && !defined(POLARSSL_PLATFORM_FREE_MACRO)
+#error "POLARSSL_PLATFORM_FREE_MACRO must be defined if POLARSSL_PLATFORM_MALLOC_MACRO is"
+#endif
+
+#if defined(POLARSSL_PLATFORM_MEMORY) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_MEMORY defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_PRINTF_ALT) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_PRINTF_MACRO) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_PRINTF_MACRO) &&\
+ ( defined(POLARSSL_PLATFORM_STD_PRINTF) ||\
+ defined(POLARSSL_PLATFORM_PRINTF_ALT) )
+#error "POLARSSL_PLATFORM_PRINTF_MACRO and POLARSSL_PLATFORM_STD_PRINTF/POLARSSL_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
+#endif
+
+#if defined(POLARSSL_PLATFORM_SNPRINTF_ALT) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_SNPRINTF_ALT) && ( defined(_WIN32)\
+ && !defined(EFIX64) && !defined(EFI32) )
+#error "POLARSSL_PLATFORM_SNPRINTF_ALT defined but not available on Windows"
+#endif
+
+#if defined(POLARSSL_PLATFORM_SNPRINTF_MACRO) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_SNPRINTF_MACRO) &&\
+ ( defined(POLARSSL_PLATFORM_STD_SNPRINTF) ||\
+ defined(POLARSSL_PLATFORM_SNPRINTF_ALT) )
+#error "POLARSSL_PLATFORM_SNPRINTF_MACRO and POLARSSL_PLATFORM_STD_SNPRINTF/POLARSSL_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_MEM_HDR) &&\
+ !defined(POLARSSL_PLATFORM_NO_STD_FUNCTIONS)
+#error "POLARSSL_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_MALLOC) && !defined(POLARSSL_PLATFORM_MEMORY)
+#error "POLARSSL_PLATFORM_STD_MALLOC defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_MALLOC) && !defined(POLARSSL_PLATFORM_MEMORY)
+#error "POLARSSL_PLATFORM_STD_MALLOC defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_FREE) && !defined(POLARSSL_PLATFORM_MEMORY)
+#error "POLARSSL_PLATFORM_STD_FREE defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_EXIT) &&\
+ !defined(POLARSSL_PLATFORM_EXIT_ALT)
+#error "POLARSSL_PLATFORM_STD_EXIT defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_FPRINTF) &&\
+ !defined(POLARSSL_PLATFORM_FPRINTF_ALT)
+#error "POLARSSL_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_PRINTF) &&\
+ !defined(POLARSSL_PLATFORM_PRINTF_ALT)
+#error "POLARSSL_PLATFORM_STD_PRINTF defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_PLATFORM_STD_SNPRINTF) &&\
+ !defined(POLARSSL_PLATFORM_SNPRINTF_ALT)
+#error "POLARSSL_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_RSA_C) && ( !defined(POLARSSL_BIGNUM_C) || \
+ !defined(POLARSSL_OID_C) )
+#error "POLARSSL_RSA_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_RSASSA_PSS_SUPPORT) && \
+ ( !defined(POLARSSL_RSA_C) || !defined(POLARSSL_PKCS1_V21) )
+#error "POLARSSL_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_SSL3) && ( !defined(POLARSSL_MD5_C) || \
+ !defined(POLARSSL_SHA1_C) )
+#error "POLARSSL_SSL_PROTO_SSL3 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_TLS1) && ( !defined(POLARSSL_MD5_C) || \
+ !defined(POLARSSL_SHA1_C) )
+#error "POLARSSL_SSL_PROTO_TLS1 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_TLS1_1) && ( !defined(POLARSSL_MD5_C) || \
+ !defined(POLARSSL_SHA1_C) )
+#error "POLARSSL_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_PROTO_TLS1_2) && ( !defined(POLARSSL_SHA1_C) && \
+ !defined(POLARSSL_SHA256_C) && !defined(POLARSSL_SHA512_C) )
+#error "POLARSSL_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_CLI_C) && !defined(POLARSSL_SSL_TLS_C)
+#error "POLARSSL_SSL_CLI_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && ( !defined(POLARSSL_CIPHER_C) || \
+ !defined(POLARSSL_MD_C) )
+#error "POLARSSL_SSL_TLS_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_SRV_C) && !defined(POLARSSL_SSL_TLS_C)
+#error "POLARSSL_SSL_SRV_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (!defined(POLARSSL_SSL_PROTO_SSL3) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1) && !defined(POLARSSL_SSL_PROTO_TLS1_1) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1_2))
+#error "POLARSSL_SSL_TLS_C defined, but no protocols are active"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (defined(POLARSSL_SSL_PROTO_SSL3) && \
+ defined(POLARSSL_SSL_PROTO_TLS1_1) && !defined(POLARSSL_SSL_PROTO_TLS1))
+#error "Illegal protocol selection"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (defined(POLARSSL_SSL_PROTO_TLS1) && \
+ defined(POLARSSL_SSL_PROTO_TLS1_2) && !defined(POLARSSL_SSL_PROTO_TLS1_1))
+#error "Illegal protocol selection"
+#endif
+
+#if defined(POLARSSL_SSL_TLS_C) && (defined(POLARSSL_SSL_PROTO_SSL3) && \
+ defined(POLARSSL_SSL_PROTO_TLS1_2) && (!defined(POLARSSL_SSL_PROTO_TLS1) || \
+ !defined(POLARSSL_SSL_PROTO_TLS1_1)))
+#error "Illegal protocol selection"
+#endif
+
+#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1_1) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1_2)
+#error "POLARSSL_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
+#endif
+
+#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1_1) && \
+ !defined(POLARSSL_SSL_PROTO_TLS1_2)
+#error "POLARSSL_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
+#endif
+
+#if defined(POLARSSL_SSL_SESSION_TICKETS) && defined(POLARSSL_SSL_TLS_C) && \
+ ( !defined(POLARSSL_AES_C) || !defined(POLARSSL_SHA256_C) || \
+ !defined(POLARSSL_CIPHER_MODE_CBC) )
+#error "POLARSSL_SSL_SESSION_TICKETS_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_CBC_RECORD_SPLITTING) && \
+ !defined(POLARSSL_SSL_PROTO_SSL3) && !defined(POLARSSL_SSL_PROTO_TLS1)
+#error "POLARSSL_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_SSL_SERVER_NAME_INDICATION) && \
+ !defined(POLARSSL_X509_CRT_PARSE_C)
+#error "POLARSSL_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_THREADING_PTHREAD)
+#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
+#error "POLARSSL_THREADING_PTHREAD defined, but not all prerequisites"
+#endif
+#define POLARSSL_THREADING_IMPL
+#endif
+
+#if defined(POLARSSL_THREADING_ALT)
+#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
+#error "POLARSSL_THREADING_ALT defined, but not all prerequisites"
+#endif
+#define POLARSSL_THREADING_IMPL
+#endif
+
+#if defined(POLARSSL_THREADING_C) && !defined(POLARSSL_THREADING_IMPL)
+#error "POLARSSL_THREADING_C defined, single threading implementation required"
+#endif
+#undef POLARSSL_THREADING_IMPL
+
+#if defined(POLARSSL_VERSION_FEATURES) && !defined(POLARSSL_VERSION_C)
+#error "POLARSSL_VERSION_FEATURES defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_USE_C) && ( !defined(POLARSSL_BIGNUM_C) || \
+ !defined(POLARSSL_OID_C) || !defined(POLARSSL_ASN1_PARSE_C) || \
+ !defined(POLARSSL_PK_PARSE_C) )
+#error "POLARSSL_X509_USE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CREATE_C) && ( !defined(POLARSSL_BIGNUM_C) || \
+ !defined(POLARSSL_OID_C) || !defined(POLARSSL_ASN1_WRITE_C) || \
+ !defined(POLARSSL_PK_WRITE_C) )
+#error "POLARSSL_X509_CREATE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CRT_PARSE_C) && ( !defined(POLARSSL_X509_USE_C) )
+#error "POLARSSL_X509_CRT_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CRL_PARSE_C) && ( !defined(POLARSSL_X509_USE_C) )
+#error "POLARSSL_X509_CRL_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CSR_PARSE_C) && ( !defined(POLARSSL_X509_USE_C) )
+#error "POLARSSL_X509_CSR_PARSE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CRT_WRITE_C) && ( !defined(POLARSSL_X509_CREATE_C) )
+#error "POLARSSL_X509_CRT_WRITE_C defined, but not all prerequisites"
+#endif
+
+#if defined(POLARSSL_X509_CSR_WRITE_C) && ( !defined(POLARSSL_X509_CREATE_C) )
+#error "POLARSSL_X509_CSR_WRITE_C defined, but not all prerequisites"
+#endif
+
+#endif /* POLARSSL_CHECK_CONFIG_H */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/config.h b/arduino/libraries/BLEHomekit/src/crypto/srp/config.h
new file mode 100755
index 0000000..247a8b9
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/config.h
@@ -0,0 +1,2358 @@
+/**
+ * \file config.h
+ *
+ * \brief Configuration options (set of defines)
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * This set of compile-time options may be used to enable
+ * or disable features selectively, and reduce the global
+ * memory footprint.
+ */
+#ifndef POLARSSL_CONFIG_H
+#define POLARSSL_CONFIG_H
+
+#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+
+/**
+ * \name SECTION: System support
+ *
+ * This section sets system specific settings.
+ * \{
+ */
+
+/**
+ * \def POLARSSL_HAVE_INT8
+ *
+ * The system uses 8-bit wide native integers.
+ *
+ * \deprecated The compiler should be able to generate code for 32-bit
+ * arithmetic (required by C89). This code is likely to be at least as
+ * efficient as ours.
+ *
+ * Uncomment if native integers are 8-bit wide.
+ */
+//#define POLARSSL_HAVE_INT8
+
+/**
+ * \def POLARSSL_HAVE_INT16
+ *
+ * The system uses 16-bit wide native integers.
+ *
+ * \deprecated The compiler should be able to generate code for 32-bit
+ * arithmetic (required by C89). This code is likely to be at least as
+ * efficient as ours.
+ *
+ * Uncomment if native integers are 16-bit wide.
+ */
+//#define POLARSSL_HAVE_INT16
+
+/**
+ * \def POLARSSL_HAVE_LONGLONG
+ *
+ * The compiler supports the 'long long' type.
+ * (Only used on 32-bit platforms)
+ */
+#define POLARSSL_HAVE_LONGLONG
+
+/**
+ * \def POLARSSL_HAVE_ASM
+ *
+ * The compiler has support for asm().
+ *
+ * Requires support for asm() in compiler.
+ *
+ * Used in:
+ * library/timing.c
+ * library/padlock.c
+ * include/polarssl/bn_mul.h
+ *
+ * Comment to disable the use of assembly code.
+ */
+#define POLARSSL_HAVE_ASM
+
+/**
+ * \def POLARSSL_HAVE_SSE2
+ *
+ * CPU supports SSE2 instruction set.
+ *
+ * Uncomment if the CPU supports SSE2 (IA-32 specific).
+ */
+//#define POLARSSL_HAVE_SSE2
+
+/**
+ * \def POLARSSL_HAVE_TIME
+ *
+ * System has time.h and time() / localtime() / gettimeofday().
+ *
+ * Comment if your system does not support time functions
+ */
+//#define POLARSSL_HAVE_TIME
+
+/**
+ * \def POLARSSL_HAVE_IPV6
+ *
+ * System supports the basic socket interface for IPv6 (RFC 3493),
+ * specifically getaddrinfo(), freeaddrinfo() and struct sockaddr_storage.
+ *
+ * Note: on Windows/MingW, XP or higher is required.
+ *
+ * \warning As of 1.3.11, *not* using this flag when POLARSSL_NET_C is
+ * defined, is deprecated. The alternative legacy code will be removed in 2.0.
+ *
+ * Comment if your system does not support the IPv6 socket interface
+ */
+//#define POLARSSL_HAVE_IPV6
+
+/**
+ * \def POLARSSL_PLATFORM_MEMORY
+ *
+ * Enable the memory allocation layer.
+ *
+ * By default mbed TLS uses the system-provided malloc() and free().
+ * This allows different allocators (self-implemented or provided) to be
+ * provided to the platform abstraction layer.
+ *
+ * Enabling POLARSSL_PLATFORM_MEMORY without the
+ * POLARSSL_PLATFORM_{FREE,MALLOC}_MACROs will provide
+ * "platform_set_malloc_free()" allowing you to set an alternative malloc() and
+ * free() function pointer at runtime.
+ *
+ * Enabling POLARSSL_PLATFORM_MEMORY and specifying
+ * POLARSSL_PLATFORM_{MALLOC,FREE}_MACROs will allow you to specify the
+ * alternate function at compile time.
+ *
+ * Requires: POLARSSL_PLATFORM_C
+ *
+ * Enable this layer to allow use of alternative memory allocators.
+ */
+#define POLARSSL_PLATFORM_MEMORY
+
+/**
+ * \def POLARSSL_PLATFORM_NO_STD_FUNCTIONS
+ *
+ * Do not assign standard functions in the platform layer (e.g. malloc() to
+ * POLARSSL_PLATFORM_STD_MALLOC and printf() to POLARSSL_PLATFORM_STD_PRINTF)
+ *
+ * This makes sure there are no linking errors on platforms that do not support
+ * these functions. You will HAVE to provide alternatives, either at runtime
+ * via the platform_set_xxx() functions or at compile time by setting
+ * the POLARSSL_PLATFORM_STD_XXX defines, or enabling a
+ * POLARSSL_PLATFORM_XXX_MACRO.
+ *
+ * Requires: POLARSSL_PLATFORM_C
+ *
+ * Uncomment to prevent default assignment of standard functions in the
+ * platform layer.
+ */
+#define POLARSSL_PLATFORM_NO_STD_FUNCTIONS
+
+/**
+ * \def POLARSSL_PLATFORM_XXX_ALT
+ *
+ * Uncomment a macro to let mbed TLS support the function in the platform
+ * abstraction layer.
+ *
+ * Example: In case you uncomment POLARSSL_PLATFORM_PRINTF_ALT, mbed TLS will
+ * provide a function "platform_set_printf()" that allows you to set an
+ * alternative printf function pointer.
+ *
+ * All these define require POLARSSL_PLATFORM_C to be defined!
+ *
+ * WARNING: POLARSSL_PLATFORM_SNPRINTF_ALT is not available on Windows
+ * for compatibility reasons.
+ *
+ * WARNING: POLARSSL_PLATFORM_XXX_ALT cannot be defined at the same time as
+ * POLARSSL_PLATFORM_XXX_MACRO!
+ *
+ * Uncomment a macro to enable alternate implementation of specific base
+ * platform function
+ */
+//#define POLARSSL_PLATFORM_EXIT_ALT
+//#define POLARSSL_PLATFORM_FPRINTF_ALT
+//#define POLARSSL_PLATFORM_PRINTF_ALT
+//#define POLARSSL_PLATFORM_SNPRINTF_ALT
+
+/**
+ * \def POLARSSL_DEPRECATED_WARNING
+ *
+ * Mark deprecated functions so that they generate a warning if used.
+ * Functions deprecated in one version will usually be removed in the next
+ * version. You can enable this to help you prepare the transition to a new
+ * major version by making sure your code is not using these functions.
+ *
+ * This only works with GCC and Clang. With other compilers, you may want to
+ * use POLARSSL_DEPRECATED_REMOVED
+ *
+ * Uncomment to get warnings on using deprecated functions.
+ */
+//#define POLARSSL_DEPRECATED_WARNING
+
+/**
+ * \def POLARSSL_DEPRECATED_REMOVED
+ *
+ * Remove deprecated functions so that they generate an error if used.
+ * Functions deprecated in one version will usually be removed in the next
+ * version. You can enable this to help you prepare the transition to a new
+ * major version by making sure your code is not using these functions.
+ *
+ * Uncomment to get errors on using deprecated functions.
+ */
+//#define POLARSSL_DEPRECATED_REMOVED
+
+/* \} name SECTION: System support */
+
+/**
+ * \name SECTION: mbed TLS feature support
+ *
+ * This section sets support for features that are or are not needed
+ * within the modules that are enabled.
+ * \{
+ */
+
+/**
+ * \def POLARSSL_TIMING_ALT
+ *
+ * Uncomment to provide your own alternate implementation for hardclock(),
+ * get_timer(), set_alarm() and m_sleep().
+ *
+ * Only works if you have POLARSSL_TIMING_C enabled.
+ *
+ * You will need to provide a header "timing_alt.h" and an implementation at
+ * compile time.
+ */
+//#define POLARSSL_TIMING_ALT
+
+/**
+ * \def POLARSSL_XXX_ALT
+ *
+ * Uncomment a macro to let mbed TLS use your alternate core implementation of
+ * a symmetric or hash algorithm (e.g. platform specific assembly optimized
+ * implementations). Keep in mind that the function prototypes should remain
+ * the same.
+ *
+ * Example: In case you uncomment POLARSSL_AES_ALT, mbed TLS will no longer
+ * provide the "struct aes_context" definition and omit the base function
+ * declarations and implementations. "aes_alt.h" will be included from
+ * "aes.h" to include the new function definitions.
+ *
+ * Uncomment a macro to enable alternate implementation for core algorithm
+ * functions
+ */
+//#define POLARSSL_AES_ALT
+//#define POLARSSL_ARC4_ALT
+//#define POLARSSL_BLOWFISH_ALT
+//#define POLARSSL_CAMELLIA_ALT
+//#define POLARSSL_DES_ALT
+//#define POLARSSL_XTEA_ALT
+//#define POLARSSL_MD2_ALT
+//#define POLARSSL_MD4_ALT
+//#define POLARSSL_MD5_ALT
+//#define POLARSSL_RIPEMD160_ALT
+//#define POLARSSL_SHA1_ALT
+//#define POLARSSL_SHA256_ALT
+//#define POLARSSL_SHA512_ALT
+
+/**
+ * \def POLARSSL_AES_ROM_TABLES
+ *
+ * Store the AES tables in ROM.
+ *
+ * Uncomment this macro to store the AES tables in ROM.
+ */
+//#define POLARSSL_AES_ROM_TABLES
+
+/**
+ * \def POLARSSL_CAMELLIA_SMALL_MEMORY
+ *
+ * Use less ROM for the Camellia implementation (saves about 768 bytes).
+ *
+ * Uncomment this macro to use less memory for Camellia.
+ */
+//#define POLARSSL_CAMELLIA_SMALL_MEMORY
+
+/**
+ * \def POLARSSL_CIPHER_MODE_CBC
+ *
+ * Enable Cipher Block Chaining mode (CBC) for symmetric ciphers.
+ */
+//#define POLARSSL_CIPHER_MODE_CBC
+
+/**
+ * \def POLARSSL_CIPHER_MODE_CFB
+ *
+ * Enable Cipher Feedback mode (CFB) for symmetric ciphers.
+ */
+//#define POLARSSL_CIPHER_MODE_CFB
+
+/**
+ * \def POLARSSL_CIPHER_MODE_CTR
+ *
+ * Enable Counter Block Cipher mode (CTR) for symmetric ciphers.
+ */
+//#define POLARSSL_CIPHER_MODE_CTR
+
+/**
+ * \def POLARSSL_CIPHER_NULL_CIPHER
+ *
+ * Enable NULL cipher.
+ * Warning: Only do so when you know what you are doing. This allows for
+ * encryption or channels without any security!
+ *
+ * Requires POLARSSL_ENABLE_WEAK_CIPHERSUITES as well to enable
+ * the following ciphersuites:
+ * TLS_ECDH_ECDSA_WITH_NULL_SHA
+ * TLS_ECDH_RSA_WITH_NULL_SHA
+ * TLS_ECDHE_ECDSA_WITH_NULL_SHA
+ * TLS_ECDHE_RSA_WITH_NULL_SHA
+ * TLS_ECDHE_PSK_WITH_NULL_SHA384
+ * TLS_ECDHE_PSK_WITH_NULL_SHA256
+ * TLS_ECDHE_PSK_WITH_NULL_SHA
+ * TLS_DHE_PSK_WITH_NULL_SHA384
+ * TLS_DHE_PSK_WITH_NULL_SHA256
+ * TLS_DHE_PSK_WITH_NULL_SHA
+ * TLS_RSA_WITH_NULL_SHA256
+ * TLS_RSA_WITH_NULL_SHA
+ * TLS_RSA_WITH_NULL_MD5
+ * TLS_RSA_PSK_WITH_NULL_SHA384
+ * TLS_RSA_PSK_WITH_NULL_SHA256
+ * TLS_RSA_PSK_WITH_NULL_SHA
+ * TLS_PSK_WITH_NULL_SHA384
+ * TLS_PSK_WITH_NULL_SHA256
+ * TLS_PSK_WITH_NULL_SHA
+ *
+ * Uncomment this macro to enable the NULL cipher and ciphersuites
+ */
+//#define POLARSSL_CIPHER_NULL_CIPHER
+
+/**
+ * \def POLARSSL_CIPHER_PADDING_XXX
+ *
+ * Uncomment or comment macros to add support for specific padding modes
+ * in the cipher layer with cipher modes that support padding (e.g. CBC)
+ *
+ * If you disable all padding modes, only full blocks can be used with CBC.
+ *
+ * Enable padding modes in the cipher layer.
+ */
+//#define POLARSSL_CIPHER_PADDING_PKCS7
+//#define POLARSSL_CIPHER_PADDING_ONE_AND_ZEROS
+//#define POLARSSL_CIPHER_PADDING_ZEROS_AND_LEN
+//#define POLARSSL_CIPHER_PADDING_ZEROS
+
+/**
+ * \def POLARSSL_ENABLE_WEAK_CIPHERSUITES
+ *
+ * Enable weak ciphersuites in SSL / TLS.
+ * Warning: Only do so when you know what you are doing. This allows for
+ * channels with virtually no security at all!
+ *
+ * This enables the following ciphersuites:
+ * TLS_RSA_WITH_DES_CBC_SHA
+ * TLS_DHE_RSA_WITH_DES_CBC_SHA
+ *
+ * Uncomment this macro to enable weak ciphersuites
+ */
+//#define POLARSSL_ENABLE_WEAK_CIPHERSUITES
+
+/**
+ * \def POLARSSL_REMOVE_ARC4_CIPHERSUITES
+ *
+ * Remove RC4 ciphersuites by default in SSL / TLS.
+ * This flag removes the ciphersuites based on RC4 from the default list as
+ * returned by ssl_list_ciphersuites(). However, it is still possible to
+ * enable (some of) them with ssl_set_ciphersuites() by including them
+ * explicitly.
+ *
+ * Uncomment this macro to remove RC4 ciphersuites by default.
+ */
+//#define POLARSSL_REMOVE_ARC4_CIPHERSUITES
+
+/**
+ * \def POLARSSL_ECP_XXXX_ENABLED
+ *
+ * Enables specific curves within the Elliptic Curve module.
+ * By default all supported curves are enabled.
+ *
+ * Comment macros to disable the curve and functions for it
+ */
+//#define POLARSSL_ECP_DP_SECP192R1_ENABLED
+//#define POLARSSL_ECP_DP_SECP224R1_ENABLED
+//#define POLARSSL_ECP_DP_SECP256R1_ENABLED
+//#define POLARSSL_ECP_DP_SECP384R1_ENABLED
+//#define POLARSSL_ECP_DP_SECP521R1_ENABLED
+//#define POLARSSL_ECP_DP_SECP192K1_ENABLED
+//#define POLARSSL_ECP_DP_SECP224K1_ENABLED
+//#define POLARSSL_ECP_DP_SECP256K1_ENABLED
+//#define POLARSSL_ECP_DP_BP256R1_ENABLED
+//#define POLARSSL_ECP_DP_BP384R1_ENABLED
+//#define POLARSSL_ECP_DP_BP512R1_ENABLED
+//#define POLARSSL_ECP_DP_M221_ENABLED // Not implemented yet!
+//#define POLARSSL_ECP_DP_M255_ENABLED
+//#define POLARSSL_ECP_DP_M383_ENABLED // Not implemented yet!
+//#define POLARSSL_ECP_DP_M511_ENABLED // Not implemented yet!
+
+/**
+ * \def POLARSSL_ECP_NIST_OPTIM
+ *
+ * Enable specific 'modulo p' routines for each NIST prime.
+ * Depending on the prime and architecture, makes operations 4 to 8 times
+ * faster on the corresponding curve.
+ *
+ * Comment this macro to disable NIST curves optimisation.
+ */
+//#define POLARSSL_ECP_NIST_OPTIM
+
+/**
+ * \def POLARSSL_ECDSA_DETERMINISTIC
+ *
+ * Enable deterministic ECDSA (RFC 6979).
+ * Standard ECDSA is "fragile" in the sense that lack of entropy when signing
+ * may result in a compromise of the long-term signing key. This is avoided by
+ * the deterministic variant.
+ *
+ * Requires: POLARSSL_HMAC_DRBG_C
+ *
+ * Comment this macro to disable deterministic ECDSA.
+ */
+//#define POLARSSL_ECDSA_DETERMINISTIC
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_PSK_ENABLED
+ *
+ * Enable the PSK based ciphersuite modes in SSL / TLS.
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_PSK_WITH_AES_256_GCM_SHA384
+ * TLS_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_PSK_WITH_AES_256_CBC_SHA
+ * TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_PSK_WITH_AES_128_GCM_SHA256
+ * TLS_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_PSK_WITH_AES_128_CBC_SHA
+ * TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_PSK_WITH_3DES_EDE_CBC_SHA
+ * TLS_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED
+ *
+ * Enable the DHE-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_DHM_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
+ * TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_DHE_PSK_WITH_AES_256_CBC_SHA
+ * TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
+ * TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_DHE_PSK_WITH_AES_128_CBC_SHA
+ * TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
+ * TLS_DHE_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+ *
+ * Enable the ECDHE-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
+ * TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
+ * TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDHE_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED
+ *
+ * Enable the RSA-PSK based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ * POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
+ * TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_RSA_PSK_WITH_AES_256_CBC_SHA
+ * TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
+ * TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_RSA_PSK_WITH_AES_128_CBC_SHA
+ * TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
+ * TLS_RSA_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_RSA_ENABLED
+ *
+ * Enable the RSA-only based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ * POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_RSA_WITH_AES_256_CBC_SHA256
+ * TLS_RSA_WITH_AES_256_CBC_SHA
+ * TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ * TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
+ * TLS_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_RSA_WITH_AES_128_CBC_SHA
+ * TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
+ * TLS_RSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_RSA_WITH_RC4_128_SHA
+ * TLS_RSA_WITH_RC4_128_MD5
+ */
+//#define POLARSSL_KEY_EXCHANGE_RSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED
+ *
+ * Enable the DHE-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_DHM_C, POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ * POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+ * TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+ * TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ * TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
+ * TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+ * TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
+ * TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+ *
+ * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
+ * POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ * TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDHE_RSA_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+ *
+ * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_ECDSA_C, POLARSSL_X509_CRT_PARSE_C,
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ * TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+ *
+ * Enable the ECDH-ECDSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+ * TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ * TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ * TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+
+/**
+ * \def POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED
+ *
+ * Enable the ECDH-RSA based ciphersuite modes in SSL / TLS.
+ *
+ * Requires: POLARSSL_ECDH_C, POLARSSL_X509_CRT_PARSE_C
+ *
+ * This enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDH_RSA_WITH_RC4_128_SHA
+ * TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ * TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ * TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ */
+//#define POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED
+
+/**
+ * \def POLARSSL_PK_PARSE_EC_EXTENDED
+ *
+ * Enhance support for reading EC keys using variants of SEC1 not allowed by
+ * RFC 5915 and RFC 5480.
+ *
+ * Currently this means parsing the SpecifiedECDomain choice of EC
+ * parameters (only known groups are supported, not arbitrary domains, to
+ * avoid validation issues).
+ *
+ * Disable if you only need to support RFC 5915 + 5480 key formats.
+ */
+//#define POLARSSL_PK_PARSE_EC_EXTENDED
+
+/**
+ * \def POLARSSL_ERROR_STRERROR_BC
+ *
+ * Make available the backward compatible error_strerror() next to the
+ * current polarssl_strerror().
+ *
+ * \deprecated Do not define this and use polarssl_strerror() instead
+ *
+ * Disable if you want to really remove the error_strerror() name
+ */
+//#define POLARSSL_ERROR_STRERROR_BC
+
+/**
+ * \def POLARSSL_ERROR_STRERROR_DUMMY
+ *
+ * Enable a dummy error function to make use of polarssl_strerror() in
+ * third party libraries easier when POLARSSL_ERROR_C is disabled
+ * (no effect when POLARSSL_ERROR_C is enabled).
+ *
+ * You can safely disable this if POLARSSL_ERROR_C is enabled, or if you're
+ * not using polarssl_strerror() or error_strerror() in your application.
+ *
+ * Disable if you run into name conflicts and want to really remove the
+ * polarssl_strerror()
+ */
+//#define POLARSSL_ERROR_STRERROR_DUMMY
+
+/**
+ * \def POLARSSL_GENPRIME
+ *
+ * Enable the prime-number generation code.
+ *
+ * Requires: POLARSSL_BIGNUM_C
+ */
+//#define POLARSSL_GENPRIME
+
+/**
+ * \def POLARSSL_FS_IO
+ *
+ * Enable functions that use the filesystem.
+ */
+//#define POLARSSL_FS_IO
+
+/**
+ * \def POLARSSL_NO_DEFAULT_ENTROPY_SOURCES
+ *
+ * Do not add default entropy sources. These are the platform specific,
+ * hardclock and HAVEGE based poll functions.
+ *
+ * This is useful to have more control over the added entropy sources in an
+ * application.
+ *
+ * Uncomment this macro to prevent loading of default entropy functions.
+ */
+//#define POLARSSL_NO_DEFAULT_ENTROPY_SOURCES
+
+/**
+ * \def POLARSSL_NO_PLATFORM_ENTROPY
+ *
+ * Do not use built-in platform entropy functions.
+ * This is useful if your platform does not support
+ * standards like the /dev/urandom or Windows CryptoAPI.
+ *
+ * Uncomment this macro to disable the built-in platform entropy functions.
+ */
+//#define POLARSSL_NO_PLATFORM_ENTROPY
+
+/**
+ * \def POLARSSL_ENTROPY_FORCE_SHA256
+ *
+ * Force the entropy accumulator to use a SHA-256 accumulator instead of the
+ * default SHA-512 based one (if both are available).
+ *
+ * Requires: POLARSSL_SHA256_C
+ *
+ * On 32-bit systems SHA-256 can be much faster than SHA-512. Use this option
+ * if you have performance concerns.
+ *
+ * This option is only useful if both POLARSSL_SHA256_C and
+ * POLARSSL_SHA512_C are defined. Otherwise the available hash module is used.
+ */
+//#define POLARSSL_ENTROPY_FORCE_SHA256
+
+/**
+ * \def POLARSSL_MEMORY_DEBUG
+ *
+ * Enable debugging of buffer allocator memory issues. Automatically prints
+ * (to stderr) all (fatal) messages on memory allocation issues. Enables
+ * function for 'debug output' of allocated memory.
+ *
+ * Requires: POLARSSL_MEMORY_BUFFER_ALLOC_C
+ *
+ * Uncomment this macro to let the buffer allocator print out error messages.
+ */
+//#define POLARSSL_MEMORY_DEBUG
+
+/**
+ * \def POLARSSL_MEMORY_BACKTRACE
+ *
+ * Include backtrace information with each allocated block.
+ *
+ * Requires: POLARSSL_MEMORY_BUFFER_ALLOC_C
+ * GLIBC-compatible backtrace() an backtrace_symbols() support
+ *
+ * Uncomment this macro to include backtrace information
+ */
+//#define POLARSSL_MEMORY_BACKTRACE
+
+/**
+ * \def POLARSSL_PKCS1_V15
+ *
+ * Enable support for PKCS#1 v1.5 encoding.
+ *
+ * Requires: POLARSSL_RSA_C
+ *
+ * This enables support for PKCS#1 v1.5 operations.
+ */
+//#define POLARSSL_PKCS1_V15
+
+/**
+ * \def POLARSSL_PKCS1_V21
+ *
+ * Enable support for PKCS#1 v2.1 encoding.
+ *
+ * Requires: POLARSSL_MD_C, POLARSSL_RSA_C
+ *
+ * This enables support for RSAES-OAEP and RSASSA-PSS operations.
+ */
+//#define POLARSSL_PKCS1_V21
+
+/**
+ * \def POLARSSL_RSA_NO_CRT
+ *
+ * Do not use the Chinese Remainder Theorem for the RSA private operation.
+ *
+ * Uncomment this macro to disable the use of CRT in RSA.
+ *
+ */
+//#define POLARSSL_RSA_NO_CRT
+
+/**
+ * \def POLARSSL_SELF_TEST
+ *
+ * Enable the checkup functions (*_self_test).
+ */
+//#define POLARSSL_SELF_TEST
+
+/**
+ * \def POLARSSL_SSL_AEAD_RANDOM_IV
+ *
+ * Generate a random IV rather than using the record sequence number as a
+ * nonce for ciphersuites using and AEAD algorithm (GCM or CCM).
+ *
+ * Using the sequence number is generally recommended.
+ *
+ * Uncomment this macro to always use random IVs with AEAD ciphersuites.
+ */
+//#define POLARSSL_SSL_AEAD_RANDOM_IV
+
+/**
+ * \def POLARSSL_SSL_ALL_ALERT_MESSAGES
+ *
+ * Enable sending of alert messages in case of encountered errors as per RFC.
+ * If you choose not to send the alert messages, mbed TLS can still communicate
+ * with other servers, only debugging of failures is harder.
+ *
+ * The advantage of not sending alert messages, is that no information is given
+ * about reasons for failures thus preventing adversaries of gaining intel.
+ *
+ * Enable sending of all alert messages
+ */
+//#define POLARSSL_SSL_ALERT_MESSAGES
+
+/**
+ * \def POLARSSL_SSL_DEBUG_ALL
+ *
+ * Enable the debug messages in SSL module for all issues.
+ * Debug messages have been disabled in some places to prevent timing
+ * attacks due to (unbalanced) debugging function calls.
+ *
+ * If you need all error reporting you should enable this during debugging,
+ * but remove this for production servers that should log as well.
+ *
+ * Uncomment this macro to report all debug messages on errors introducing
+ * a timing side-channel.
+ *
+ */
+//#define POLARSSL_SSL_DEBUG_ALL
+
+/** \def POLARSSL_SSL_ENCRYPT_THEN_MAC
+ *
+ * Enable support for Encrypt-then-MAC, RFC 7366.
+ *
+ * This allows peers that both support it to use a more robust protection for
+ * ciphersuites using CBC, providing deep resistance against timing attacks
+ * on the padding or underlying cipher.
+ *
+ * This only affects CBC ciphersuites, and is useless if none is defined.
+ *
+ * Requires: POLARSSL_SSL_PROTO_TLS1 or
+ * POLARSSL_SSL_PROTO_TLS1_1 or
+ * POLARSSL_SSL_PROTO_TLS1_2
+ *
+ * Comment this macro to disable support for Encrypt-then-MAC
+ */
+//#define POLARSSL_SSL_ENCRYPT_THEN_MAC
+
+/** \def POLARSSL_SSL_EXTENDED_MASTER_SECRET
+ *
+ * Enable support for Extended Master Secret, aka Session Hash
+ * (draft-ietf-tls-session-hash-02).
+ *
+ * This was introduced as "the proper fix" to the Triple Handshake familiy of
+ * attacks, but it is recommended to always use it (even if you disable
+ * renegotiation), since it actually fixes a more fundamental issue in the
+ * original SSL/TLS design, and has implications beyond Triple Handshake.
+ *
+ * Requires: POLARSSL_SSL_PROTO_TLS1 or
+ * POLARSSL_SSL_PROTO_TLS1_1 or
+ * POLARSSL_SSL_PROTO_TLS1_2
+ *
+ * Comment this macro to disable support for Extended Master Secret.
+ */
+//#define POLARSSL_SSL_EXTENDED_MASTER_SECRET
+
+/**
+ * \def POLARSSL_SSL_FALLBACK_SCSV
+ *
+ * Enable support for FALLBACK_SCSV (draft-ietf-tls-downgrade-scsv-00).
+ *
+ * For servers, it is recommended to always enable this, unless you support
+ * only one version of TLS, or know for sure that none of your clients
+ * implements a fallback strategy.
+ *
+ * For clients, you only need this if you're using a fallback strategy, which
+ * is not recommended in the first place, unless you absolutely need it to
+ * interoperate with buggy (version-intolerant) servers.
+ *
+ * Comment this macro to disable support for FALLBACK_SCSV
+ */
+//#define POLARSSL_SSL_FALLBACK_SCSV
+
+/**
+ * \def POLARSSL_SSL_HW_RECORD_ACCEL
+ *
+ * Enable hooking functions in SSL module for hardware acceleration of
+ * individual records.
+ *
+ * Uncomment this macro to enable hooking functions.
+ */
+//#define POLARSSL_SSL_HW_RECORD_ACCEL
+
+/**
+ * \def POLARSSL_SSL_CBC_RECORD_SPLITTING
+ *
+ * Enable 1/n-1 record splitting for CBC mode in SSLv3 and TLS 1.0.
+ *
+ * This is a countermeasure to the BEAST attack, which also minimizes the risk
+ * of interoperability issues compared to sending 0-length records.
+ *
+ * Comment this macro to disable 1/n-1 record splitting.
+ */
+//#define POLARSSL_SSL_CBC_RECORD_SPLITTING
+
+/**
+ * \def POLARSSL_SSL_DISABLE_RENEGOTIATION
+ *
+ * Disable support for TLS renegotiation.
+ *
+ * The two main uses of renegotiation are (1) refresh keys on long-lived
+ * connections and (2) client authentication after the initial handshake.
+ * If you don't need renegotiation, it's probably better to disable it, since
+ * it has been associated with security issues in the past and is easy to
+ * misuse/misunderstand.
+ *
+ * Warning: in the next stable branch, this switch will be replaced by
+ * POLARSSL_SSL_RENEGOTIATION to enable support for renegotiation.
+ *
+ * Uncomment this to disable support for renegotiation.
+ */
+//#define POLARSSL_SSL_DISABLE_RENEGOTIATION
+
+/**
+ * \def POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
+ *
+ * Enable support for receiving and parsing SSLv2 Client Hello messages for the
+ * SSL Server module (POLARSSL_SSL_SRV_C).
+ *
+ * Comment this macro to disable support for SSLv2 Client Hello messages.
+ */
+//#define POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
+
+/**
+ * \def POLARSSL_SSL_SRV_RESPECT_CLIENT_PREFERENCE
+ *
+ * Pick the ciphersuite according to the client's preferences rather than ours
+ * in the SSL Server module (POLARSSL_SSL_SRV_C).
+ *
+ * Uncomment this macro to respect client's ciphersuite order
+ */
+//#define POLARSSL_SSL_SRV_RESPECT_CLIENT_PREFERENCE
+
+/**
+ * \def POLARSSL_SSL_MAX_FRAGMENT_LENGTH
+ *
+ * Enable support for RFC 6066 max_fragment_length extension in SSL.
+ *
+ * Comment this macro to disable support for the max_fragment_length extension
+ */
+//#define POLARSSL_SSL_MAX_FRAGMENT_LENGTH
+
+/**
+ * \def POLARSSL_SSL_PROTO_SSL3
+ *
+ * Enable support for SSL 3.0.
+ *
+ * Requires: POLARSSL_MD5_C
+ * POLARSSL_SHA1_C
+ *
+ * Comment this macro to disable support for SSL 3.0
+ */
+//#define POLARSSL_SSL_PROTO_SSL3
+
+/**
+ * \def POLARSSL_SSL_PROTO_TLS1
+ *
+ * Enable support for TLS 1.0.
+ *
+ * Requires: POLARSSL_MD5_C
+ * POLARSSL_SHA1_C
+ *
+ * Comment this macro to disable support for TLS 1.0
+ */
+//#define POLARSSL_SSL_PROTO_TLS1
+
+/**
+ * \def POLARSSL_SSL_PROTO_TLS1_1
+ *
+ * Enable support for TLS 1.1.
+ *
+ * Requires: POLARSSL_MD5_C
+ * POLARSSL_SHA1_C
+ *
+ * Comment this macro to disable support for TLS 1.1
+ */
+//#define POLARSSL_SSL_PROTO_TLS1_1
+
+/**
+ * \def POLARSSL_SSL_PROTO_TLS1_2
+ *
+ * Enable support for TLS 1.2.
+ *
+ * Requires: POLARSSL_SHA1_C or POLARSSL_SHA256_C or POLARSSL_SHA512_C
+ * (Depends on ciphersuites)
+ *
+ * Comment this macro to disable support for TLS 1.2
+ */
+//#define POLARSSL_SSL_PROTO_TLS1_2
+
+/**
+ * \def POLARSSL_SSL_ALPN
+ *
+ * Enable support for RFC 7301 Application Layer Protocol Negotiation.
+ *
+ * Comment this macro to disable support for ALPN.
+ */
+//#define POLARSSL_SSL_ALPN
+
+/**
+ * \def POLARSSL_SSL_SESSION_TICKETS
+ *
+ * Enable support for RFC 5077 session tickets in SSL.
+ *
+ * Requires: POLARSSL_AES_C
+ * POLARSSL_SHA256_C
+ * POLARSSL_CIPHER_MODE_CBC
+ *
+ * Comment this macro to disable support for SSL session tickets
+ */
+//#define POLARSSL_SSL_SESSION_TICKETS
+
+/**
+ * \def POLARSSL_SSL_SERVER_NAME_INDICATION
+ *
+ * Enable support for RFC 6066 server name indication (SNI) in SSL.
+ *
+ * Requires: POLARSSL_X509_CRT_PARSE_C
+ *
+ * Comment this macro to disable support for server name indication in SSL
+ */
+//#define POLARSSL_SSL_SERVER_NAME_INDICATION
+
+/**
+ * \def POLARSSL_SSL_TRUNCATED_HMAC
+ *
+ * Enable support for RFC 6066 truncated HMAC in SSL.
+ *
+ * Comment this macro to disable support for truncated HMAC in SSL
+ */
+//#define POLARSSL_SSL_TRUNCATED_HMAC
+
+/**
+ * \def POLARSSL_SSL_SET_CURVES
+ *
+ * Enable ssl_set_curves().
+ *
+ * This is disabled by default since it breaks binary compatibility with the
+ * 1.3.x line. If you choose to enable it, you will need to rebuild your
+ * application against the new header files, relinking will not be enough.
+ * It will be enabled by default, or no longer an option, in the 1.4 branch.
+ *
+ * Uncomment to make ssl_set_curves() available.
+ */
+//#define POLARSSL_SSL_SET_CURVES
+
+/**
+ * \def POLARSSL_THREADING_ALT
+ *
+ * Provide your own alternate threading implementation.
+ *
+ * Requires: POLARSSL_THREADING_C
+ *
+ * Uncomment this to allow your own alternate threading implementation.
+ */
+//#define POLARSSL_THREADING_ALT
+
+/**
+ * \def POLARSSL_THREADING_PTHREAD
+ *
+ * Enable the pthread wrapper layer for the threading layer.
+ *
+ * Requires: POLARSSL_THREADING_C
+ *
+ * Uncomment this to enable pthread mutexes.
+ */
+//#define POLARSSL_THREADING_PTHREAD
+
+/**
+ * \def POLARSSL_VERSION_FEATURES
+ *
+ * Allow run-time checking of compile-time enabled features. Thus allowing users
+ * to check at run-time if the library is for instance compiled with threading
+ * support via version_check_feature().
+ *
+ * Requires: POLARSSL_VERSION_C
+ *
+ * Comment this to disable run-time checking and save ROM space
+ */
+//#define POLARSSL_VERSION_FEATURES
+
+/**
+ * \def POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
+ *
+ * If set, the X509 parser will not break-off when parsing an X509 certificate
+ * and encountering an extension in a v1 or v2 certificate.
+ *
+ * Uncomment to prevent an error.
+ */
+//#define POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
+
+/**
+ * \def POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
+ *
+ * If set, the X509 parser will not break-off when parsing an X509 certificate
+ * and encountering an unknown critical extension.
+ *
+ * Uncomment to prevent an error.
+ */
+//#define POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
+
+/**
+ * \def POLARSSL_X509_CHECK_KEY_USAGE
+ *
+ * Enable verification of the keyUsage extension (CA and leaf certificates).
+ *
+ * Disabling this avoids problems with mis-issued and/or misused
+ * (intermediate) CA and leaf certificates.
+ *
+ * \warning Depending on your PKI use, disabling this can be a security risk!
+ *
+ * Comment to skip keyUsage checking for both CA and leaf certificates.
+ */
+//#define POLARSSL_X509_CHECK_KEY_USAGE
+
+/**
+ * \def POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE
+ *
+ * Enable verification of the extendedKeyUsage extension (leaf certificates).
+ *
+ * Disabling this avoids problems with mis-issued and/or misused certificates.
+ *
+ * \warning Depending on your PKI use, disabling this can be a security risk!
+ *
+ * Comment to skip extendedKeyUsage checking for certificates.
+ */
+//#define POLARSSL_X509_CHECK_EXTENDED_KEY_USAGE
+
+/**
+ * \def POLARSSL_X509_RSASSA_PSS_SUPPORT
+ *
+ * Enable parsing and verification of X.509 certificates, CRLs and CSRS
+ * signed with RSASSA-PSS (aka PKCS#1 v2.1).
+ *
+ * Comment this macro to disallow using RSASSA-PSS in certificates.
+ */
+//#define POLARSSL_X509_RSASSA_PSS_SUPPORT
+
+/**
+ * \def POLARSSL_ZLIB_SUPPORT
+ *
+ * If set, the SSL/TLS module uses ZLIB to support compression and
+ * decompression of packet data.
+ *
+ * \warning TLS-level compression MAY REDUCE SECURITY! See for example the
+ * CRIME attack. Before enabling this option, you should examine with care if
+ * CRIME or similar exploits may be a applicable to your use case.
+ *
+ * Used in: library/ssl_tls.c
+ * library/ssl_cli.c
+ * library/ssl_srv.c
+ *
+ * This feature requires zlib library and headers to be present.
+ *
+ * Uncomment to enable use of ZLIB
+ */
+//#define POLARSSL_ZLIB_SUPPORT
+/* \} name SECTION: mbed TLS feature support */
+
+/**
+ * \name SECTION: mbed TLS modules
+ *
+ * This section enables or disables entire modules in mbed TLS
+ * \{
+ */
+
+/**
+ * \def POLARSSL_AESNI_C
+ *
+ * Enable AES-NI support on x86-64.
+ *
+ * Module: library/aesni.c
+ * Caller: library/aes.c
+ *
+ * Requires: POLARSSL_HAVE_ASM
+ *
+ * This modules adds support for the AES-NI instructions on x86-64
+ */
+//#define POLARSSL_AESNI_C
+
+/**
+ * \def POLARSSL_AES_C
+ *
+ * Enable the AES block cipher.
+ *
+ * Module: library/aes.c
+ * Caller: library/ssl_tls.c
+ * library/pem.c
+ * library/ctr_drbg.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ * TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ * TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ * TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ * TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ * TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ * TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+ * TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+ * TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+ * TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ * TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+ * TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+ * TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
+ * TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
+ * TLS_DHE_PSK_WITH_AES_256_CBC_SHA
+ * TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
+ * TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
+ * TLS_DHE_PSK_WITH_AES_128_CBC_SHA
+ * TLS_RSA_WITH_AES_256_GCM_SHA384
+ * TLS_RSA_WITH_AES_256_CBC_SHA256
+ * TLS_RSA_WITH_AES_256_CBC_SHA
+ * TLS_RSA_WITH_AES_128_GCM_SHA256
+ * TLS_RSA_WITH_AES_128_CBC_SHA256
+ * TLS_RSA_WITH_AES_128_CBC_SHA
+ * TLS_RSA_PSK_WITH_AES_256_GCM_SHA384
+ * TLS_RSA_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_RSA_PSK_WITH_AES_256_CBC_SHA
+ * TLS_RSA_PSK_WITH_AES_128_GCM_SHA256
+ * TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_RSA_PSK_WITH_AES_128_CBC_SHA
+ * TLS_PSK_WITH_AES_256_GCM_SHA384
+ * TLS_PSK_WITH_AES_256_CBC_SHA384
+ * TLS_PSK_WITH_AES_256_CBC_SHA
+ * TLS_PSK_WITH_AES_128_GCM_SHA256
+ * TLS_PSK_WITH_AES_128_CBC_SHA256
+ * TLS_PSK_WITH_AES_128_CBC_SHA
+ *
+ * PEM_PARSE uses AES for decrypting encrypted keys.
+ */
+//#define POLARSSL_AES_C
+
+/**
+ * \def POLARSSL_ARC4_C
+ *
+ * Enable the ARCFOUR stream cipher.
+ *
+ * Module: library/arc4.c
+ * Caller: library/ssl_tls.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+ * TLS_ECDH_RSA_WITH_RC4_128_SHA
+ * TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+ * TLS_ECDHE_RSA_WITH_RC4_128_SHA
+ * TLS_ECDHE_PSK_WITH_RC4_128_SHA
+ * TLS_DHE_PSK_WITH_RC4_128_SHA
+ * TLS_RSA_WITH_RC4_128_SHA
+ * TLS_RSA_WITH_RC4_128_MD5
+ * TLS_RSA_PSK_WITH_RC4_128_SHA
+ * TLS_PSK_WITH_RC4_128_SHA
+ */
+//#define POLARSSL_ARC4_C
+
+/**
+ * \def POLARSSL_ASN1_PARSE_C
+ *
+ * Enable the generic ASN1 parser.
+ *
+ * Module: library/asn1.c
+ * Caller: library/x509.c
+ * library/dhm.c
+ * library/pkcs12.c
+ * library/pkcs5.c
+ * library/pkparse.c
+ */
+//#define POLARSSL_ASN1_PARSE_C
+
+/**
+ * \def POLARSSL_ASN1_WRITE_C
+ *
+ * Enable the generic ASN1 writer.
+ *
+ * Module: library/asn1write.c
+ * Caller: library/ecdsa.c
+ * library/pkwrite.c
+ * library/x509_create.c
+ * library/x509write_crt.c
+ * library/x509write_csr.c
+ */
+//#define POLARSSL_ASN1_WRITE_C
+
+/**
+ * \def POLARSSL_BASE64_C
+ *
+ * Enable the Base64 module.
+ *
+ * Module: library/base64.c
+ * Caller: library/pem.c
+ *
+ * This module is required for PEM support (required by X.509).
+ */
+//#define POLARSSL_BASE64_C
+
+/**
+ * \def POLARSSL_BIGNUM_C
+ *
+ * Enable the multi-precision integer library.
+ *
+ * Module: library/bignum.c
+ * Caller: library/dhm.c
+ * library/ecp.c
+ * library/ecdsa.c
+ * library/rsa.c
+ * library/ssl_tls.c
+ *
+ * This module is required for RSA, DHM and ECC (ECDH, ECDSA) support.
+ */
+#define POLARSSL_BIGNUM_C
+
+/**
+ * \def POLARSSL_BLOWFISH_C
+ *
+ * Enable the Blowfish block cipher.
+ *
+ * Module: library/blowfish.c
+ */
+//#define POLARSSL_BLOWFISH_C
+
+/**
+ * \def POLARSSL_CAMELLIA_C
+ *
+ * Enable the Camellia block cipher.
+ *
+ * Module: library/camellia.c
+ * Caller: library/ssl_tls.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ * TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
+ * TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ * TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
+ * TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
+ * TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ * TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384
+ * TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384
+ * TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256
+ * TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256
+ */
+//#define POLARSSL_CAMELLIA_C
+
+/**
+ * \def POLARSSL_CCM_C
+ *
+ * Enable the Counter with CBC-MAC (CCM) mode for 128-bit block cipher.
+ *
+ * Module: library/ccm.c
+ *
+ * Requires: POLARSSL_AES_C or POLARSSL_CAMELLIA_C
+ *
+ * This module enables the AES-CCM ciphersuites, if other requisites are
+ * enabled as well.
+ */
+//#define POLARSSL_CCM_C
+
+/**
+ * \def POLARSSL_CERTS_C
+ *
+ * Enable the test certificates.
+ *
+ * Module: library/certs.c
+ * Caller:
+ *
+ * Requires: POLARSSL_PEM_PARSE_C
+ *
+ * This module is used for testing (ssl_client/server).
+ */
+//#define POLARSSL_CERTS_C
+
+/**
+ * \def POLARSSL_CIPHER_C
+ *
+ * Enable the generic cipher layer.
+ *
+ * Module: library/cipher.c
+ * Caller: library/ssl_tls.c
+ *
+ * Uncomment to enable generic cipher wrappers.
+ */
+//#define POLARSSL_CIPHER_C
+
+/**
+ * \def POLARSSL_CTR_DRBG_C
+ *
+ * Enable the CTR_DRBG AES-256-based random generator.
+ *
+ * Module: library/ctr_drbg.c
+ * Caller:
+ *
+ * Requires: POLARSSL_AES_C
+ *
+ * This module provides the CTR_DRBG AES-256 random number generator.
+ */
+//#define POLARSSL_CTR_DRBG_C
+
+/**
+ * \def POLARSSL_DEBUG_C
+ *
+ * Enable the debug functions.
+ *
+ * Module: library/debug.c
+ * Caller: library/ssl_cli.c
+ * library/ssl_srv.c
+ * library/ssl_tls.c
+ *
+ * This module provides debugging functions.
+ */
+//#define POLARSSL_DEBUG_C
+
+/**
+ * \def POLARSSL_DES_C
+ *
+ * Enable the DES block cipher.
+ *
+ * Module: library/des.c
+ * Caller: library/pem.c
+ * library/ssl_tls.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ * TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA
+ * TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA
+ * TLS_RSA_WITH_3DES_EDE_CBC_SHA
+ * TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA
+ * TLS_PSK_WITH_3DES_EDE_CBC_SHA
+ *
+ * PEM_PARSE uses DES/3DES for decrypting encrypted keys.
+ */
+//#define POLARSSL_DES_C
+
+/**
+ * \def POLARSSL_DHM_C
+ *
+ * Enable the Diffie-Hellman-Merkle module.
+ *
+ * Module: library/dhm.c
+ * Caller: library/ssl_cli.c
+ * library/ssl_srv.c
+ *
+ * This module is used by the following key exchanges:
+ * DHE-RSA, DHE-PSK
+ */
+//#define POLARSSL_DHM_C
+
+/**
+ * \def POLARSSL_ECDH_C
+ *
+ * Enable the elliptic curve Diffie-Hellman library.
+ *
+ * Module: library/ecdh.c
+ * Caller: library/ssl_cli.c
+ * library/ssl_srv.c
+ *
+ * This module is used by the following key exchanges:
+ * ECDHE-ECDSA, ECDHE-RSA, DHE-PSK
+ *
+ * Requires: POLARSSL_ECP_C
+ */
+//#define POLARSSL_ECDH_C
+
+/**
+ * \def POLARSSL_ECDSA_C
+ *
+ * Enable the elliptic curve DSA library.
+ *
+ * Module: library/ecdsa.c
+ * Caller:
+ *
+ * This module is used by the following key exchanges:
+ * ECDHE-ECDSA
+ *
+ * Requires: POLARSSL_ECP_C, POLARSSL_ASN1_WRITE_C, POLARSSL_ASN1_PARSE_C
+ */
+//#define POLARSSL_ECDSA_C
+
+/**
+ * \def POLARSSL_ECP_C
+ *
+ * Enable the elliptic curve over GF(p) library.
+ *
+ * Module: library/ecp.c
+ * Caller: library/ecdh.c
+ * library/ecdsa.c
+ *
+ * Requires: POLARSSL_BIGNUM_C and at least one POLARSSL_ECP_DP_XXX_ENABLED
+ */
+//#define POLARSSL_ECP_C
+
+/**
+ * \def POLARSSL_ENTROPY_C
+ *
+ * Enable the platform-specific entropy code.
+ *
+ * Module: library/entropy.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SHA512_C or POLARSSL_SHA256_C
+ *
+ * This module provides a generic entropy pool
+ */
+//#define POLARSSL_ENTROPY_C
+
+/**
+ * \def POLARSSL_ERROR_C
+ *
+ * Enable error code to error string conversion.
+ *
+ * Module: library/error.c
+ * Caller:
+ *
+ * This module enables polarssl_strerror().
+ */
+//#define POLARSSL_ERROR_C
+
+/**
+ * \def POLARSSL_GCM_C
+ *
+ * Enable the Galois/Counter Mode (GCM) for AES.
+ *
+ * Module: library/gcm.c
+ *
+ * Requires: POLARSSL_AES_C or POLARSSL_CAMELLIA_C
+ *
+ * This module enables the AES-GCM and CAMELLIA-GCM ciphersuites, if other
+ * requisites are enabled as well.
+ */
+//#define POLARSSL_GCM_C
+
+/**
+ * \def POLARSSL_HAVEGE_C
+ *
+ * Enable the HAVEGE random generator.
+ *
+ * Warning: the HAVEGE random generator is not suitable for virtualized
+ * environments
+ *
+ * Warning: the HAVEGE random generator is dependent on timing and specific
+ * processor traits. It is therefore not advised to use HAVEGE as
+ * your applications primary random generator or primary entropy pool
+ * input. As a secondary input to your entropy pool, it IS able add
+ * the (limited) extra entropy it provides.
+ *
+ * Module: library/havege.c
+ * Caller:
+ *
+ * Requires: POLARSSL_TIMING_C
+ *
+ * Uncomment to enable the HAVEGE random generator.
+ */
+//#define POLARSSL_HAVEGE_C
+
+/**
+ * \def POLARSSL_HMAC_DRBG_C
+ *
+ * Enable the HMAC_DRBG random generator.
+ *
+ * Module: library/hmac_drbg.c
+ * Caller:
+ *
+ * Requires: POLARSSL_MD_C
+ *
+ * Uncomment to enable the HMAC_DRBG random number geerator.
+ */
+//#define POLARSSL_HMAC_DRBG_C
+
+/**
+ * \def POLARSSL_MD_C
+ *
+ * Enable the generic message digest layer.
+ *
+ * Module: library/md.c
+ * Caller:
+ *
+ * Uncomment to enable generic message digest wrappers.
+ */
+//#define POLARSSL_MD_C
+
+/**
+ * \def POLARSSL_MD2_C
+ *
+ * Enable the MD2 hash algorithm.
+ *
+ * Module: library/md2.c
+ * Caller:
+ *
+ * Uncomment to enable support for (rare) MD2-signed X.509 certs.
+ */
+//#define POLARSSL_MD2_C
+
+/**
+ * \def POLARSSL_MD4_C
+ *
+ * Enable the MD4 hash algorithm.
+ *
+ * Module: library/md4.c
+ * Caller:
+ *
+ * Uncomment to enable support for (rare) MD4-signed X.509 certs.
+ */
+//#define POLARSSL_MD4_C
+
+/**
+ * \def POLARSSL_MD5_C
+ *
+ * Enable the MD5 hash algorithm.
+ *
+ * Module: library/md5.c
+ * Caller: library/md.c
+ * library/pem.c
+ * library/ssl_tls.c
+ *
+ * This module is required for SSL/TLS and X.509.
+ * PEM_PARSE uses MD5 for decrypting encrypted keys.
+ */
+//#define POLARSSL_MD5_C
+
+/**
+ * \def POLARSSL_MEMORY_C
+ *
+ * \deprecated Use POLARSSL_PLATFORM_MEMORY instead.
+ *
+ * Depends on: POLARSSL_PLATFORM_C
+ */
+#define POLARSSL_MEMORY_C
+
+/**
+ * \def POLARSSL_MEMORY_BUFFER_ALLOC_C
+ *
+ * Enable the buffer allocator implementation that makes use of a (stack)
+ * based buffer to 'allocate' dynamic memory. (replaces malloc() and free()
+ * calls)
+ *
+ * Module: library/memory_buffer_alloc.c
+ *
+ * Requires: POLARSSL_PLATFORM_C
+ * POLARSSL_PLATFORM_MEMORY (to use it within mbed TLS)
+ *
+ * Enable this module to enable the buffer memory allocator.
+ */
+#define POLARSSL_MEMORY_BUFFER_ALLOC_C
+
+/**
+ * \def POLARSSL_NET_C
+ *
+ * Enable the TCP/IP networking routines.
+ *
+ * \warning As of 1.3.11, it is deprecated to enable this module without
+ * POLARSSL_HAVE_IPV6. The alternative legacy code will be removed in 2.0.
+ *
+ * Module: library/net.c
+ *
+ * This module provides TCP/IP networking routines.
+ */
+//#define POLARSSL_NET_C
+
+/**
+ * \def POLARSSL_OID_C
+ *
+ * Enable the OID database.
+ *
+ * Module: library/oid.c
+ * Caller: library/asn1write.c
+ * library/pkcs5.c
+ * library/pkparse.c
+ * library/pkwrite.c
+ * library/rsa.c
+ * library/x509.c
+ * library/x509_create.c
+ * library/x509_crl.c
+ * library/x509_crt.c
+ * library/x509_csr.c
+ * library/x509write_crt.c
+ * library/x509write_csr.c
+ *
+ * This modules translates between OIDs and internal values.
+ */
+//#define POLARSSL_OID_C
+
+/**
+ * \def POLARSSL_PADLOCK_C
+ *
+ * Enable VIA Padlock support on x86.
+ *
+ * Module: library/padlock.c
+ * Caller: library/aes.c
+ *
+ * Requires: POLARSSL_HAVE_ASM
+ *
+ * This modules adds support for the VIA PadLock on x86.
+ */
+//#define POLARSSL_PADLOCK_C
+
+/**
+ * \def POLARSSL_PBKDF2_C
+ *
+ * Enable PKCS#5 PBKDF2 key derivation function.
+ *
+ * \deprecated Use POLARSSL_PKCS5_C instead
+ *
+ * Module: library/pbkdf2.c
+ *
+ * Requires: POLARSSL_PKCS5_C
+ *
+ * This module adds support for the PKCS#5 PBKDF2 key derivation function.
+ */
+//#define POLARSSL_PBKDF2_C
+
+/**
+ * \def POLARSSL_PEM_PARSE_C
+ *
+ * Enable PEM decoding / parsing.
+ *
+ * Module: library/pem.c
+ * Caller: library/dhm.c
+ * library/pkparse.c
+ * library/x509_crl.c
+ * library/x509_crt.c
+ * library/x509_csr.c
+ *
+ * Requires: POLARSSL_BASE64_C
+ *
+ * This modules adds support for decoding / parsing PEM files.
+ */
+//#define POLARSSL_PEM_PARSE_C
+
+/**
+ * \def POLARSSL_PEM_WRITE_C
+ *
+ * Enable PEM encoding / writing.
+ *
+ * Module: library/pem.c
+ * Caller: library/pkwrite.c
+ * library/x509write_crt.c
+ * library/x509write_csr.c
+ *
+ * Requires: POLARSSL_BASE64_C
+ *
+ * This modules adds support for encoding / writing PEM files.
+ */
+//#define POLARSSL_PEM_WRITE_C
+
+/**
+ * \def POLARSSL_PK_C
+ *
+ * Enable the generic public (asymetric) key layer.
+ *
+ * Module: library/pk.c
+ * Caller: library/ssl_tls.c
+ * library/ssl_cli.c
+ * library/ssl_srv.c
+ *
+ * Requires: POLARSSL_RSA_C or POLARSSL_ECP_C
+ *
+ * Uncomment to enable generic public key wrappers.
+ */
+//#define POLARSSL_PK_C
+
+/**
+ * \def POLARSSL_PK_PARSE_C
+ *
+ * Enable the generic public (asymetric) key parser.
+ *
+ * Module: library/pkparse.c
+ * Caller: library/x509_crt.c
+ * library/x509_csr.c
+ *
+ * Requires: POLARSSL_PK_C
+ *
+ * Uncomment to enable generic public key parse functions.
+ */
+//#define POLARSSL_PK_PARSE_C
+
+/**
+ * \def POLARSSL_PK_WRITE_C
+ *
+ * Enable the generic public (asymetric) key writer.
+ *
+ * Module: library/pkwrite.c
+ * Caller: library/x509write.c
+ *
+ * Requires: POLARSSL_PK_C
+ *
+ * Uncomment to enable generic public key write functions.
+ */
+//#define POLARSSL_PK_WRITE_C
+
+/**
+ * \def POLARSSL_PKCS5_C
+ *
+ * Enable PKCS#5 functions.
+ *
+ * Module: library/pkcs5.c
+ *
+ * Requires: POLARSSL_MD_C
+ *
+ * This module adds support for the PKCS#5 functions.
+ */
+//#define POLARSSL_PKCS5_C
+
+/**
+ * \def POLARSSL_PKCS11_C
+ *
+ * Enable wrapper for PKCS#11 smartcard support.
+ *
+ * Module: library/pkcs11.c
+ * Caller: library/pk.c
+ *
+ * Requires: POLARSSL_PK_C
+ *
+ * This module enables SSL/TLS PKCS #11 smartcard support.
+ * Requires the presence of the PKCS#11 helper library (libpkcs11-helper)
+ */
+//#define POLARSSL_PKCS11_C
+
+/**
+ * \def POLARSSL_PKCS12_C
+ *
+ * Enable PKCS#12 PBE functions.
+ * Adds algorithms for parsing PKCS#8 encrypted private keys
+ *
+ * Module: library/pkcs12.c
+ * Caller: library/pkparse.c
+ *
+ * Requires: POLARSSL_ASN1_PARSE_C, POLARSSL_CIPHER_C, POLARSSL_MD_C
+ * Can use: POLARSSL_ARC4_C
+ *
+ * This module enables PKCS#12 functions.
+ */
+//#define POLARSSL_PKCS12_C
+
+/**
+ * \def POLARSSL_PLATFORM_C
+ *
+ * Enable the platform abstraction layer that allows you to re-assign
+ * functions like malloc(), free(), snprintf(), printf(), fprintf(), exit()
+ *
+ * Enabling POLARSSL_PLATFORM_C enables to use of POLARSSL_PLATFORM_XXX_ALT
+ * or POLARSSL_PLATFORM_XXX_MACRO directives, allowing the functions mentioned
+ * above to be specified at runtime or compile time respectively.
+ *
+ * Module: library/platform.c
+ * Caller: Most other .c files
+ *
+ * This module enables abstraction of common (libc) functions.
+ */
+#define POLARSSL_PLATFORM_C
+
+/**
+ * \def POLARSSL_RIPEMD160_C
+ *
+ * Enable the RIPEMD-160 hash algorithm.
+ *
+ * Module: library/ripemd160.c
+ * Caller: library/md.c
+ *
+ */
+//#define POLARSSL_RIPEMD160_C
+
+/**
+ * \def POLARSSL_RSA_C
+ *
+ * Enable the RSA public-key cryptosystem.
+ *
+ * Module: library/rsa.c
+ * Caller: library/ssl_cli.c
+ * library/ssl_srv.c
+ * library/ssl_tls.c
+ * library/x509.c
+ *
+ * This module is used by the following key exchanges:
+ * RSA, DHE-RSA, ECDHE-RSA, RSA-PSK
+ *
+ * Requires: POLARSSL_BIGNUM_C, POLARSSL_OID_C
+ */
+//#define POLARSSL_RSA_C
+
+/**
+ * \def POLARSSL_SHA1_C
+ *
+ * Enable the SHA1 cryptographic hash algorithm.
+ *
+ * Module: library/sha1.c
+ * Caller: library/md.c
+ * library/ssl_cli.c
+ * library/ssl_srv.c
+ * library/ssl_tls.c
+ * library/x509write_crt.c
+ *
+ * This module is required for SSL/TLS and SHA1-signed certificates.
+ */
+//#define POLARSSL_SHA1_C
+
+/**
+ * \def POLARSSL_SHA256_C
+ *
+ * Enable the SHA-224 and SHA-256 cryptographic hash algorithms.
+ * (Used to be POLARSSL_SHA2_C)
+ *
+ * Module: library/sha256.c
+ * Caller: library/entropy.c
+ * library/md.c
+ * library/ssl_cli.c
+ * library/ssl_srv.c
+ * library/ssl_tls.c
+ *
+ * This module adds support for SHA-224 and SHA-256.
+ * This module is required for the SSL/TLS 1.2 PRF function.
+ */
+//#define POLARSSL_SHA256_C
+
+/**
+ * \def POLARSSL_SHA512_C
+ *
+ * Enable the SHA-384 and SHA-512 cryptographic hash algorithms.
+ * (Used to be POLARSSL_SHA4_C)
+ *
+ * Module: library/sha512.c
+ * Caller: library/entropy.c
+ * library/md.c
+ * library/ssl_cli.c
+ * library/ssl_srv.c
+ *
+ * This module adds support for SHA-384 and SHA-512.
+ */
+#define POLARSSL_SHA512_C
+
+/**
+ * \def POLARSSL_SSL_CACHE_C
+ *
+ * Enable simple SSL cache implementation.
+ *
+ * Module: library/ssl_cache.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SSL_CACHE_C
+ */
+//#define POLARSSL_SSL_CACHE_C
+
+/**
+ * \def POLARSSL_SSL_CLI_C
+ *
+ * Enable the SSL/TLS client code.
+ *
+ * Module: library/ssl_cli.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SSL_TLS_C
+ *
+ * This module is required for SSL/TLS client support.
+ */
+//#define POLARSSL_SSL_CLI_C
+
+/**
+ * \def POLARSSL_SSL_SRV_C
+ *
+ * Enable the SSL/TLS server code.
+ *
+ * Module: library/ssl_srv.c
+ * Caller:
+ *
+ * Requires: POLARSSL_SSL_TLS_C
+ *
+ * This module is required for SSL/TLS server support.
+ */
+//#define POLARSSL_SSL_SRV_C
+
+/**
+ * \def POLARSSL_SSL_TLS_C
+ *
+ * Enable the generic SSL/TLS code.
+ *
+ * Module: library/ssl_tls.c
+ * Caller: library/ssl_cli.c
+ * library/ssl_srv.c
+ *
+ * Requires: POLARSSL_CIPHER_C, POLARSSL_MD_C
+ * and at least one of the POLARSSL_SSL_PROTO_* defines
+ *
+ * This module is required for SSL/TLS.
+ */
+//#define POLARSSL_SSL_TLS_C
+
+/**
+ * \def POLARSSL_THREADING_C
+ *
+ * Enable the threading abstraction layer.
+ * By default mbed TLS assumes it is used in a non-threaded environment or that
+ * contexts are not shared between threads. If you do intend to use contexts
+ * between threads, you will need to enable this layer to prevent race
+ * conditions.
+ *
+ * Module: library/threading.c
+ *
+ * This allows different threading implementations (self-implemented or
+ * provided).
+ *
+ * You will have to enable either POLARSSL_THREADING_ALT or
+ * POLARSSL_THREADING_PTHREAD.
+ *
+ * Enable this layer to allow use of mutexes within mbed TLS
+ */
+//#define POLARSSL_THREADING_C
+
+/**
+ * \def POLARSSL_TIMING_C
+ *
+ * Enable the portable timing interface.
+ *
+ * Module: library/timing.c
+ * Caller: library/havege.c
+ *
+ * This module is used by the HAVEGE random number generator.
+ */
+//#define POLARSSL_TIMING_C
+
+/**
+ * \def POLARSSL_VERSION_C
+ *
+ * Enable run-time version information.
+ *
+ * Module: library/version.c
+ *
+ * This module provides run-time version information.
+ */
+//#define POLARSSL_VERSION_C
+
+/**
+ * \def POLARSSL_X509_USE_C
+ *
+ * Enable X.509 core for using certificates.
+ *
+ * Module: library/x509.c
+ * Caller: library/x509_crl.c
+ * library/x509_crt.c
+ * library/x509_csr.c
+ *
+ * Requires: POLARSSL_ASN1_PARSE_C, POLARSSL_BIGNUM_C, POLARSSL_OID_C,
+ * POLARSSL_PK_PARSE_C
+ *
+ * This module is required for the X.509 parsing modules.
+ */
+//#define POLARSSL_X509_USE_C
+
+/**
+ * \def POLARSSL_X509_CRT_PARSE_C
+ *
+ * Enable X.509 certificate parsing.
+ *
+ * Module: library/x509_crt.c
+ * Caller: library/ssl_cli.c
+ * library/ssl_srv.c
+ * library/ssl_tls.c
+ *
+ * Requires: POLARSSL_X509_USE_C
+ *
+ * This module is required for X.509 certificate parsing.
+ */
+//#define POLARSSL_X509_CRT_PARSE_C
+
+/**
+ * \def POLARSSL_X509_CRL_PARSE_C
+ *
+ * Enable X.509 CRL parsing.
+ *
+ * Module: library/x509_crl.c
+ * Caller: library/x509_crt.c
+ *
+ * Requires: POLARSSL_X509_USE_C
+ *
+ * This module is required for X.509 CRL parsing.
+ */
+//#define POLARSSL_X509_CRL_PARSE_C
+
+/**
+ * \def POLARSSL_X509_CSR_PARSE_C
+ *
+ * Enable X.509 Certificate Signing Request (CSR) parsing.
+ *
+ * Module: library/x509_csr.c
+ * Caller: library/x509_crt_write.c
+ *
+ * Requires: POLARSSL_X509_USE_C
+ *
+ * This module is used for reading X.509 certificate request.
+ */
+//#define POLARSSL_X509_CSR_PARSE_C
+
+/**
+ * \def POLARSSL_X509_CREATE_C
+ *
+ * Enable X.509 core for creating certificates.
+ *
+ * Module: library/x509_create.c
+ *
+ * Requires: POLARSSL_BIGNUM_C, POLARSSL_OID_C, POLARSSL_PK_WRITE_C
+ *
+ * This module is the basis for creating X.509 certificates and CSRs.
+ */
+//#define POLARSSL_X509_CREATE_C
+
+/**
+ * \def POLARSSL_X509_CRT_WRITE_C
+ *
+ * Enable creating X.509 certificates.
+ *
+ * Module: library/x509_crt_write.c
+ *
+ * Requires: POLARSSL_CREATE_C
+ *
+ * This module is required for X.509 certificate creation.
+ */
+//#define POLARSSL_X509_CRT_WRITE_C
+
+/**
+ * \def POLARSSL_X509_CSR_WRITE_C
+ *
+ * Enable creating X.509 Certificate Signing Requests (CSR).
+ *
+ * Module: library/x509_csr_write.c
+ *
+ * Requires: POLARSSL_CREATE_C
+ *
+ * This module is required for X.509 certificate request writing.
+ */
+//#define POLARSSL_X509_CSR_WRITE_C
+
+/**
+ * \def POLARSSL_XTEA_C
+ *
+ * Enable the XTEA block cipher.
+ *
+ * Module: library/xtea.c
+ * Caller:
+ */
+//#define POLARSSL_XTEA_C
+
+/* \} name SECTION: mbed TLS modules */
+
+/**
+ * \name SECTION: Module configuration options
+ *
+ * This section allows for the setting of module specific sizes and
+ * configuration options. The default values are already present in the
+ * relevant header files and should suffice for the regular use cases.
+ *
+ * Our advice is to enable options and change their values here
+ * only if you have a good reason and know the consequences.
+ *
+ * Please check the respective header file for documentation on these
+ * parameters (to prevent duplicate documentation).
+ * \{
+ */
+
+/* MPI / BIGNUM options */
+//#define POLARSSL_MPI_WINDOW_SIZE 1 /**< Maximum windows size used. */
+//#define POLARSSL_MPI_MAX_SIZE 1024 /**< Maximum number of bytes for usable MPIs. */
+
+/* CTR_DRBG options */
+//#define CTR_DRBG_ENTROPY_LEN 48 /**< Amount of entropy used per seed by default (48 with SHA-512, 32 with SHA-256) */
+//#define CTR_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
+//#define CTR_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
+//#define CTR_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
+//#define CTR_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
+
+/* HMAC_DRBG options */
+//#define POLARSSL_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
+//#define POLARSSL_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
+//#define POLARSSL_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
+//#define POLARSSL_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
+
+/* ECP options */
+//#define POLARSSL_ECP_MAX_BITS 521 /**< Maximum bit size of groups */
+//#define POLARSSL_ECP_WINDOW_SIZE 6 /**< Maximum window size used */
+//#define POLARSSL_ECP_FIXED_POINT_OPTIM 1 /**< Enable fixed-point speed-up */
+
+/* Entropy options */
+//#define ENTROPY_MAX_SOURCES 20 /**< Maximum number of sources supported */
+//#define ENTROPY_MAX_GATHER 128 /**< Maximum amount requested from entropy sources */
+
+/* Memory buffer allocator options */
+//#define POLARSSL_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */
+
+/* Platform options */
+#define POLARSSL_PLATFORM_STD_MEM_HDR "rtos.h"/**< Header to include if POLARSSL_PLATFORM_NO_STD_FUNCTIONS is defined. Don't define if no header is needed. */
+#define POLARSSL_PLATFORM_STD_MALLOC rtos_malloc /**< Default allocator to use, can be undefined */
+#define POLARSSL_PLATFORM_STD_FREE rtos_free /**< Default free to use, can be undefined */
+//#define POLARSSL_PLATFORM_STD_EXIT exit /**< Default exit to use, can be undefined */
+//#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use, can be undefined */
+//#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use, can be undefined */
+//#define POLARSSL_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use, can be undefined */
+
+/* To Use Function Macros POLARSSL_PLATFORM_C must be enabled */
+/* POLARSSL_PLATFORM_XXX_MACRO and POLARSSL_PLATFORM_XXX_ALT cannot both be defined */
+//#define POLARSSL_PLATFORM_MALLOC_MACRO malloc /**< Default allocator macro to use, can be undefined */
+//#define POLARSSL_PLATFORM_FREE_MACRO free /**< Default free macro to use, can be undefined */
+//#define POLARSSL_PLATFORM_EXIT_MACRO exit /**< Default exit macro to use, can be undefined */
+//#define POLARSSL_PLATFORM_FPRINTF_MACRO fprintf /**< Default fprintf macro to use, can be undefined */
+//#define POLARSSL_PLATFORM_PRINTF_MACRO printf /**< Default printf macro to use, can be undefined */
+//#define POLARSSL_PLATFORM_SNPRINTF_MACRO snprintf /**< Default snprintf macro to use, can be undefined */
+
+/* SSL Cache options */
+//#define SSL_CACHE_DEFAULT_TIMEOUT 86400 /**< 1 day */
+//#define SSL_CACHE_DEFAULT_MAX_ENTRIES 50 /**< Maximum entries in cache */
+
+/* SSL options */
+//#define SSL_MAX_CONTENT_LEN 16384 /**< Size of the input / output buffer */
+//#define SSL_DEFAULT_TICKET_LIFETIME 86400 /**< Lifetime of session tickets (if enabled) */
+//#define POLARSSL_PSK_MAX_LEN 32 /**< Max size of TLS pre-shared keys, in bytes (default 256 bits) */
+
+/**
+ * Complete list of ciphersuites to use, in order of preference.
+ *
+ * \warning No dependency checking is done on that field! This option can only
+ * be used to restrict the set of available ciphersuites. It is your
+ * responsibility to make sure the needed modules are active.
+ *
+ * Use this to save a few hundred bytes of ROM (default ordering of all
+ * available ciphersuites) and a few to a few hundred bytes of RAM.
+ *
+ * The value below is only an example, not the default.
+ */
+//#define SSL_CIPHERSUITES TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+
+/* Debug options */
+//#define POLARSSL_DEBUG_DFL_MODE POLARSSL_DEBUG_LOG_FULL /**< Default log: Full or Raw */
+
+/* X509 options */
+//#define POLARSSL_X509_MAX_INTERMEDIATE_CA 8 /**< Maximum number of intermediate CAs in a verification chain. */
+
+/* \} name SECTION: Module configuration options */
+
+#include "check_config.h"
+
+#endif /* POLARSSL_CONFIG_H */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.c b/arduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.c
new file mode 100755
index 0000000..f102eae
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.c
@@ -0,0 +1,734 @@
+/*
+ * Buffer-based memory allocator
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
+#include "memory_buffer_alloc.h"
+
+/* No need for the header guard as POLARSSL_MEMORY_BUFFER_ALLOC_C
+ is dependent upon POLARSSL_PLATFORM_C */
+#include "platform.h"
+
+#include <string.h>
+
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+#include <execinfo.h>
+#endif
+
+#if defined(POLARSSL_THREADING_C)
+#include "polarssl/threading.h"
+#endif
+
+/* Implementation that should never be optimized out by the compiler */
+static void polarssl_zeroize( void *v, size_t n ) {
+ volatile unsigned char *p = v; while( n-- ) *p++ = 0;
+}
+
+#define MAGIC1 0xFF00AA55
+#define MAGIC2 0xEE119966
+#define MAX_BT 20
+
+typedef struct _memory_header memory_header;
+struct _memory_header
+{
+ size_t magic1;
+ size_t size;
+ size_t alloc;
+ memory_header *prev;
+ memory_header *next;
+ memory_header *prev_free;
+ memory_header *next_free;
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ char **trace;
+ size_t trace_count;
+#endif
+ size_t magic2;
+};
+
+typedef struct
+{
+ unsigned char *buf;
+ size_t len;
+ memory_header *first;
+ memory_header *first_free;
+ int verify;
+#if defined(POLARSSL_MEMORY_DEBUG)
+ size_t malloc_count;
+ size_t free_count;
+ size_t total_used;
+ size_t maximum_used;
+ size_t header_count;
+ size_t maximum_header_count;
+#endif
+#if defined(POLARSSL_THREADING_C)
+ threading_mutex_t mutex;
+#endif
+}
+buffer_alloc_ctx;
+
+static buffer_alloc_ctx heap;
+
+#if defined(POLARSSL_MEMORY_DEBUG)
+static void debug_header( memory_header *hdr )
+{
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ size_t i;
+#endif
+
+ polarssl_fprintf( stderr, "HDR: PTR(%10zu), PREV(%10zu), NEXT(%10zu), "
+ "ALLOC(%zu), SIZE(%10zu)\n",
+ (size_t) hdr, (size_t) hdr->prev, (size_t) hdr->next,
+ hdr->alloc, hdr->size );
+ polarssl_fprintf( stderr, " FPREV(%10zu), FNEXT(%10zu)\n",
+ (size_t) hdr->prev_free, (size_t) hdr->next_free );
+
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ polarssl_fprintf( stderr, "TRACE: \n" );
+ for( i = 0; i < hdr->trace_count; i++ )
+ polarssl_fprintf( stderr, "%s\n", hdr->trace[i] );
+ polarssl_fprintf( stderr, "\n" );
+#endif
+}
+
+static void debug_chain()
+{
+ memory_header *cur = heap.first;
+
+ polarssl_fprintf( stderr, "\nBlock list\n" );
+ while( cur != NULL )
+ {
+ debug_header( cur );
+ cur = cur->next;
+ }
+
+ polarssl_fprintf( stderr, "Free list\n" );
+ cur = heap.first_free;
+
+ while( cur != NULL )
+ {
+ debug_header( cur );
+ cur = cur->next_free;
+ }
+}
+#endif /* POLARSSL_MEMORY_DEBUG */
+
+static int verify_header( memory_header *hdr )
+{
+ if( hdr->magic1 != MAGIC1 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: MAGIC1 mismatch\n" );
+#endif
+ return( 1 );
+ }
+
+ if( hdr->magic2 != MAGIC2 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: MAGIC2 mismatch\n" );
+#endif
+ return( 1 );
+ }
+
+ if( hdr->alloc > 1 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: alloc has illegal value\n" );
+#endif
+ return( 1 );
+ }
+
+ if( hdr->prev != NULL && hdr->prev == hdr->next )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: prev == next\n" );
+#endif
+ return( 1 );
+ }
+
+ if( hdr->prev_free != NULL && hdr->prev_free == hdr->next_free )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: prev_free == next_free\n" );
+#endif
+ return( 1 );
+ }
+
+ return( 0 );
+}
+
+static int verify_chain()
+{
+ memory_header *prv = heap.first, *cur = heap.first->next;
+
+ if( verify_header( heap.first ) != 0 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: verification of first header "
+ "failed\n" );
+#endif
+ return( 1 );
+ }
+
+ if( heap.first->prev != NULL )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: verification failed: "
+ "first->prev != NULL\n" );
+#endif
+ return( 1 );
+ }
+
+ while( cur != NULL )
+ {
+ if( verify_header( cur ) != 0 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: verification of header "
+ "failed\n" );
+#endif
+ return( 1 );
+ }
+
+ if( cur->prev != prv )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: verification failed: "
+ "cur->prev != prv\n" );
+#endif
+ return( 1 );
+ }
+
+ prv = cur;
+ cur = cur->next;
+ }
+
+ return( 0 );
+}
+
+static void *buffer_alloc_malloc( size_t len )
+{
+ memory_header *new, *cur = heap.first_free;
+ unsigned char *p;
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ void *trace_buffer[MAX_BT];
+ size_t trace_cnt;
+#endif
+
+ if( heap.buf == NULL || heap.first == NULL )
+ return( NULL );
+
+ if( len % POLARSSL_MEMORY_ALIGN_MULTIPLE )
+ {
+ len -= len % POLARSSL_MEMORY_ALIGN_MULTIPLE;
+ len += POLARSSL_MEMORY_ALIGN_MULTIPLE;
+ }
+
+ // Find block that fits
+ //
+ while( cur != NULL )
+ {
+ if( cur->size >= len )
+ break;
+
+ cur = cur->next_free;
+ }
+
+ if( cur == NULL )
+ return( NULL );
+
+ if( cur->alloc != 0 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: block in free_list but allocated "
+ "data\n" );
+#endif
+ polarssl_exit( 1 );
+ }
+
+#if defined(POLARSSL_MEMORY_DEBUG)
+ heap.malloc_count++;
+#endif
+
+ // Found location, split block if > memory_header + 4 room left
+ //
+ if( cur->size - len < sizeof(memory_header) +
+ POLARSSL_MEMORY_ALIGN_MULTIPLE )
+ {
+ cur->alloc = 1;
+
+ // Remove from free_list
+ //
+ if( cur->prev_free != NULL )
+ cur->prev_free->next_free = cur->next_free;
+ else
+ heap.first_free = cur->next_free;
+
+ if( cur->next_free != NULL )
+ cur->next_free->prev_free = cur->prev_free;
+
+ cur->prev_free = NULL;
+ cur->next_free = NULL;
+
+#if defined(POLARSSL_MEMORY_DEBUG)
+ heap.total_used += cur->size;
+ if( heap.total_used > heap.maximum_used )
+ heap.maximum_used = heap.total_used;
+#endif
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ trace_cnt = backtrace( trace_buffer, MAX_BT );
+ cur->trace = backtrace_symbols( trace_buffer, trace_cnt );
+ cur->trace_count = trace_cnt;
+#endif
+
+ if( ( heap.verify & MEMORY_VERIFY_ALLOC ) && verify_chain() != 0 )
+ polarssl_exit( 1 );
+
+ return( ( (unsigned char *) cur ) + sizeof(memory_header) );
+ }
+
+ p = ( (unsigned char *) cur ) + sizeof(memory_header) + len;
+ new = (memory_header *) p;
+
+ new->size = cur->size - len - sizeof(memory_header);
+ new->alloc = 0;
+ new->prev = cur;
+ new->next = cur->next;
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ new->trace = NULL;
+ new->trace_count = 0;
+#endif
+ new->magic1 = MAGIC1;
+ new->magic2 = MAGIC2;
+
+ if( new->next != NULL )
+ new->next->prev = new;
+
+ // Replace cur with new in free_list
+ //
+ new->prev_free = cur->prev_free;
+ new->next_free = cur->next_free;
+ if( new->prev_free != NULL )
+ new->prev_free->next_free = new;
+ else
+ heap.first_free = new;
+
+ if( new->next_free != NULL )
+ new->next_free->prev_free = new;
+
+ cur->alloc = 1;
+ cur->size = len;
+ cur->next = new;
+ cur->prev_free = NULL;
+ cur->next_free = NULL;
+
+#if defined(POLARSSL_MEMORY_DEBUG)
+ heap.header_count++;
+ if( heap.header_count > heap.maximum_header_count )
+ heap.maximum_header_count = heap.header_count;
+ heap.total_used += cur->size;
+ if( heap.total_used > heap.maximum_used )
+ heap.maximum_used = heap.total_used;
+#endif
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ trace_cnt = backtrace( trace_buffer, MAX_BT );
+ cur->trace = backtrace_symbols( trace_buffer, trace_cnt );
+ cur->trace_count = trace_cnt;
+#endif
+
+ if( ( heap.verify & MEMORY_VERIFY_ALLOC ) && verify_chain() != 0 )
+ polarssl_exit( 1 );
+
+ return( ( (unsigned char *) cur ) + sizeof(memory_header) );
+}
+
+static void buffer_alloc_free( void *ptr )
+{
+ memory_header *hdr, *old = NULL;
+ unsigned char *p = (unsigned char *) ptr;
+
+ if( ptr == NULL || heap.buf == NULL || heap.first == NULL )
+ return;
+
+ if( p < heap.buf || p > heap.buf + heap.len )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: polarssl_free() outside of managed "
+ "space\n" );
+#endif
+ polarssl_exit( 1 );
+ }
+
+ p -= sizeof(memory_header);
+ hdr = (memory_header *) p;
+
+ if( verify_header( hdr ) != 0 )
+ polarssl_exit( 1 );
+
+ if( hdr->alloc != 1 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ polarssl_fprintf( stderr, "FATAL: polarssl_free() on unallocated "
+ "data\n" );
+#endif
+ polarssl_exit( 1 );
+ }
+
+ hdr->alloc = 0;
+
+#if defined(POLARSSL_MEMORY_DEBUG)
+ heap.free_count++;
+ heap.total_used -= hdr->size;
+#endif
+
+ // Regroup with block before
+ //
+ if( hdr->prev != NULL && hdr->prev->alloc == 0 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ heap.header_count--;
+#endif
+ hdr->prev->size += sizeof(memory_header) + hdr->size;
+ hdr->prev->next = hdr->next;
+ old = hdr;
+ hdr = hdr->prev;
+
+ if( hdr->next != NULL )
+ hdr->next->prev = hdr;
+
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ free( old->trace );
+#endif
+ memset( old, 0, sizeof(memory_header) );
+ }
+
+ // Regroup with block after
+ //
+ if( hdr->next != NULL && hdr->next->alloc == 0 )
+ {
+#if defined(POLARSSL_MEMORY_DEBUG)
+ heap.header_count--;
+#endif
+ hdr->size += sizeof(memory_header) + hdr->next->size;
+ old = hdr->next;
+ hdr->next = hdr->next->next;
+
+ if( hdr->prev_free != NULL || hdr->next_free != NULL )
+ {
+ if( hdr->prev_free != NULL )
+ hdr->prev_free->next_free = hdr->next_free;
+ else
+ heap.first_free = hdr->next_free;
+
+ if( hdr->next_free != NULL )
+ hdr->next_free->prev_free = hdr->prev_free;
+ }
+
+ hdr->prev_free = old->prev_free;
+ hdr->next_free = old->next_free;
+
+ if( hdr->prev_free != NULL )
+ hdr->prev_free->next_free = hdr;
+ else
+ heap.first_free = hdr;
+
+ if( hdr->next_free != NULL )
+ hdr->next_free->prev_free = hdr;
+
+ if( hdr->next != NULL )
+ hdr->next->prev = hdr;
+
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ free( old->trace );
+#endif
+ memset( old, 0, sizeof(memory_header) );
+ }
+
+ // Prepend to free_list if we have not merged
+ // (Does not have to stay in same order as prev / next list)
+ //
+ if( old == NULL )
+ {
+ hdr->next_free = heap.first_free;
+ if( heap.first_free != NULL )
+ heap.first_free->prev_free = hdr;
+ heap.first_free = hdr;
+ }
+
+#if defined(POLARSSL_MEMORY_BACKTRACE)
+ hdr->trace = NULL;
+ hdr->trace_count = 0;
+#endif
+
+ if( ( heap.verify & MEMORY_VERIFY_FREE ) && verify_chain() != 0 )
+ polarssl_exit( 1 );
+}
+
+void memory_buffer_set_verify( int verify )
+{
+ heap.verify = verify;
+}
+
+int memory_buffer_alloc_verify()
+{
+ return verify_chain();
+}
+
+#if defined(POLARSSL_MEMORY_DEBUG)
+void memory_buffer_alloc_status()
+{
+ polarssl_fprintf( stderr,
+ "Current use: %zu blocks / %zu bytes, max: %zu blocks / "
+ "%zu bytes (total %zu bytes), malloc / free: %zu / %zu\n",
+ heap.header_count, heap.total_used,
+ heap.maximum_header_count, heap.maximum_used,
+ heap.maximum_header_count * sizeof( memory_header )
+ + heap.maximum_used,
+ heap.malloc_count, heap.free_count );
+
+ if( heap.first->next == NULL )
+ polarssl_fprintf( stderr, "All memory de-allocated in stack buffer\n" );
+ else
+ {
+ polarssl_fprintf( stderr, "Memory currently allocated:\n" );
+ debug_chain();
+ }
+}
+
+void memory_buffer_alloc_max_get( size_t *max_used, size_t *max_blocks )
+{
+ *max_used = heap.maximum_used;
+ *max_blocks = heap.maximum_header_count;
+}
+
+void memory_buffer_alloc_max_reset( void )
+{
+ heap.maximum_used = 0;
+ heap.maximum_header_count = 0;
+}
+
+void memory_buffer_alloc_cur_get( size_t *cur_used, size_t *cur_blocks )
+{
+ *cur_used = heap.total_used;
+ *cur_blocks = heap.header_count;
+}
+#endif /* POLARSSL_MEMORY_DEBUG */
+
+#if defined(POLARSSL_THREADING_C)
+static void *buffer_alloc_malloc_mutexed( size_t len )
+{
+ void *buf;
+ polarssl_mutex_lock( &heap.mutex );
+ buf = buffer_alloc_malloc( len );
+ polarssl_mutex_unlock( &heap.mutex );
+ return( buf );
+}
+
+static void buffer_alloc_free_mutexed( void *ptr )
+{
+ polarssl_mutex_lock( &heap.mutex );
+ buffer_alloc_free( ptr );
+ polarssl_mutex_unlock( &heap.mutex );
+}
+#endif /* POLARSSL_THREADING_C */
+
+int memory_buffer_alloc_init( unsigned char *buf, size_t len )
+{
+ memset( &heap, 0, sizeof(buffer_alloc_ctx) );
+ memset( buf, 0, len );
+
+#if defined(POLARSSL_THREADING_C)
+ polarssl_mutex_init( &heap.mutex );
+ platform_set_malloc_free( buffer_alloc_malloc_mutexed,
+ buffer_alloc_free_mutexed );
+#else
+ platform_set_malloc_free( buffer_alloc_malloc, buffer_alloc_free );
+#endif
+
+ if( (size_t) buf % POLARSSL_MEMORY_ALIGN_MULTIPLE )
+ {
+ /* Adjust len first since buf is used in the computation */
+ len -= POLARSSL_MEMORY_ALIGN_MULTIPLE
+ - (size_t) buf % POLARSSL_MEMORY_ALIGN_MULTIPLE;
+ buf += POLARSSL_MEMORY_ALIGN_MULTIPLE
+ - (size_t) buf % POLARSSL_MEMORY_ALIGN_MULTIPLE;
+ }
+
+ heap.buf = buf;
+ heap.len = len;
+
+ heap.first = (memory_header *) buf;
+ heap.first->size = len - sizeof(memory_header);
+ heap.first->magic1 = MAGIC1;
+ heap.first->magic2 = MAGIC2;
+ heap.first_free = heap.first;
+ return( 0 );
+}
+
+void memory_buffer_alloc_free()
+{
+#if defined(POLARSSL_THREADING_C)
+ polarssl_mutex_free( &heap.mutex );
+#endif
+ polarssl_zeroize( &heap, sizeof(buffer_alloc_ctx) );
+}
+
+#if defined(POLARSSL_SELF_TEST)
+static int check_pointer( void *p )
+{
+ if( p == NULL )
+ return( -1 );
+
+ if( (size_t) p % POLARSSL_MEMORY_ALIGN_MULTIPLE != 0 )
+ return( -1 );
+
+ return( 0 );
+}
+
+static int check_all_free( )
+{
+ if(
+#if defined(POLARSSL_MEMORY_DEBUG)
+ heap.total_used != 0 ||
+#endif
+ heap.first != heap.first_free ||
+ (void *) heap.first != (void *) heap.buf )
+ {
+ return( -1 );
+ }
+
+ return( 0 );
+}
+
+#define TEST_ASSERT( condition ) \
+ if( ! (condition) ) \
+ { \
+ if( verbose != 0 ) \
+ polarssl_printf( "failed\n" ); \
+ \
+ ret = 1; \
+ goto cleanup; \
+ }
+
+int memory_buffer_alloc_self_test( int verbose )
+{
+ unsigned char buf[1024];
+ unsigned char *p, *q, *r, *end;
+ int ret = 0;
+
+ if( verbose != 0 )
+ polarssl_printf( " MBA test #1 (basic alloc-free cycle): " );
+
+ memory_buffer_alloc_init( buf, sizeof( buf ) );
+
+ p = polarssl_malloc( 1 );
+ q = polarssl_malloc( 128 );
+ r = polarssl_malloc( 16 );
+
+ TEST_ASSERT( check_pointer( p ) == 0 &&
+ check_pointer( q ) == 0 &&
+ check_pointer( r ) == 0 );
+
+ polarssl_free( r );
+ polarssl_free( q );
+ polarssl_free( p );
+
+ TEST_ASSERT( check_all_free( ) == 0 );
+
+ /* Memorize end to compare with the next test */
+ end = heap.buf + heap.len;
+
+ memory_buffer_alloc_free( );
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+ if( verbose != 0 )
+ polarssl_printf( " MBA test #2 (buf not aligned): " );
+
+ memory_buffer_alloc_init( buf + 1, sizeof( buf ) - 1 );
+
+ TEST_ASSERT( heap.buf + heap.len == end );
+
+ p = polarssl_malloc( 1 );
+ q = polarssl_malloc( 128 );
+ r = polarssl_malloc( 16 );
+
+ TEST_ASSERT( check_pointer( p ) == 0 &&
+ check_pointer( q ) == 0 &&
+ check_pointer( r ) == 0 );
+
+ polarssl_free( r );
+ polarssl_free( q );
+ polarssl_free( p );
+
+ TEST_ASSERT( check_all_free( ) == 0 );
+
+ memory_buffer_alloc_free( );
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+ if( verbose != 0 )
+ polarssl_printf( " MBA test #3 (full): " );
+
+ memory_buffer_alloc_init( buf, sizeof( buf ) );
+
+ p = polarssl_malloc( sizeof( buf ) - sizeof( memory_header ) );
+
+ TEST_ASSERT( check_pointer( p ) == 0 );
+ TEST_ASSERT( polarssl_malloc( 1 ) == NULL );
+
+ polarssl_free( p );
+
+ p = polarssl_malloc( sizeof( buf ) - 2 * sizeof( memory_header ) - 16 );
+ q = polarssl_malloc( 16 );
+
+ TEST_ASSERT( check_pointer( p ) == 0 && check_pointer( q ) == 0 );
+ TEST_ASSERT( polarssl_malloc( 1 ) == NULL );
+
+ polarssl_free( q );
+
+ TEST_ASSERT( polarssl_malloc( 17 ) == NULL );
+
+ polarssl_free( p );
+
+ TEST_ASSERT( check_all_free( ) == 0 );
+
+ memory_buffer_alloc_free( );
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+
+cleanup:
+ memory_buffer_alloc_free( );
+
+ return( ret );
+}
+#endif /* POLARSSL_SELF_TEST */
+
+#endif /* POLARSSL_MEMORY_BUFFER_ALLOC_C */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.h b/arduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.h
new file mode 100755
index 0000000..19abe55
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/memory_buffer_alloc.h
@@ -0,0 +1,149 @@
+/**
+ * \file memory_buffer_alloc.h
+ *
+ * \brief Buffer-based memory allocator
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef POLARSSL_MEMORY_BUFFER_ALLOC_H
+#define POLARSSL_MEMORY_BUFFER_ALLOC_H
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#include <stddef.h>
+
+/**
+ * \name SECTION: Module settings
+ *
+ * The configuration options you can set for this module are in this section.
+ * Either change them in config.h or define them on the compiler command line.
+ * \{
+ */
+
+#if !defined(POLARSSL_MEMORY_ALIGN_MULTIPLE)
+#define POLARSSL_MEMORY_ALIGN_MULTIPLE 4 /**< Align on multiples of this value */
+#endif
+
+/* \} name SECTION: Module settings */
+
+#define MEMORY_VERIFY_NONE 0
+#define MEMORY_VERIFY_ALLOC (1 << 0)
+#define MEMORY_VERIFY_FREE (1 << 1)
+#define MEMORY_VERIFY_ALWAYS (MEMORY_VERIFY_ALLOC | MEMORY_VERIFY_FREE)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Initialize use of stack-based memory allocator.
+ * The stack-based allocator does memory management inside the
+ * presented buffer and does not call malloc() and free().
+ * It sets the global polarssl_malloc() and polarssl_free() pointers
+ * to its own functions.
+ * (Provided polarssl_malloc() and polarssl_free() are thread-safe if
+ * POLARSSL_THREADING_C is defined)
+ *
+ * \note This code is not optimized and provides a straight-forward
+ * implementation of a stack-based memory allocator.
+ *
+ * \param buf buffer to use as heap
+ * \param len size of the buffer
+ *
+ * \return 0 if successful
+ */
+int memory_buffer_alloc_init( unsigned char *buf, size_t len );
+
+/**
+ * \brief Free the mutex for thread-safety and clear remaining memory
+ */
+void memory_buffer_alloc_free( void );
+
+/**
+ * \brief Determine when the allocator should automatically verify the state
+ * of the entire chain of headers / meta-data.
+ * (Default: MEMORY_VERIFY_NONE)
+ *
+ * \param verify One of MEMORY_VERIFY_NONE, MEMORY_VERIFY_ALLOC,
+ * MEMORY_VERIFY_FREE or MEMORY_VERIFY_ALWAYS
+ */
+void memory_buffer_set_verify( int verify );
+
+#if defined(POLARSSL_MEMORY_DEBUG)
+/**
+ * \brief Print out the status of the allocated memory (primarily for use
+ * after a program should have de-allocated all memory)
+ * Prints out a list of 'still allocated' blocks and their stack
+ * trace if POLARSSL_MEMORY_BACKTRACE is defined.
+ */
+void memory_buffer_alloc_status( void );
+
+/**
+ * \brief Get the peak heap usage so far
+ *
+ * \param max_used Peak number of bytes reauested by the application
+ * \param max_blocks Peak number of blocks reauested by the application
+ */
+void memory_buffer_alloc_max_get( size_t *max_used, size_t *max_blocks );
+
+/**
+ * \brief Reset peak statistics
+ */
+void memory_buffer_alloc_max_reset( void );
+
+/**
+ * \brief Get the current heap usage
+ *
+ * \param cur_used Number of bytes reauested by the application
+ * \param cur_blocks Number of blocks reauested by the application
+ */
+void memory_buffer_alloc_cur_get( size_t *cur_used, size_t *cur_blocks );
+#endif /* POLARSSL_MEMORY_DEBUG */
+
+/**
+ * \brief Verifies that all headers in the memory buffer are correct
+ * and contain sane values. Helps debug buffer-overflow errors.
+ *
+ * Prints out first failure if POLARSSL_MEMORY_DEBUG is defined.
+ * Prints out full header information if POLARSSL_MEMORY_DEBUG_HEADERS
+ * is defined. (Includes stack trace information for each block if
+ * POLARSSL_MEMORY_BACKTRACE is defined as well).
+ *
+ * \returns 0 if verified, 1 otherwise
+ */
+int memory_buffer_alloc_verify( void );
+
+#if defined(POLARSSL_SELF_TEST)
+/**
+ * \brief Checkup routine
+ *
+ * \return 0 if successful, or 1 if a test failed
+ */
+int memory_buffer_alloc_self_test( int verbose );
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* memory_buffer_alloc.h */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/platform.c b/arduino/libraries/BLEHomekit/src/crypto/srp/platform.c
new file mode 100755
index 0000000..0ac94c8
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/platform.c
@@ -0,0 +1,165 @@
+/*
+ * Platform abstraction layer
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#if defined(POLARSSL_PLATFORM_C)
+
+#include "platform.h"
+
+#if defined(POLARSSL_PLATFORM_MEMORY)
+#if !defined(POLARSSL_PLATFORM_STD_MALLOC)
+static void *platform_malloc_uninit( size_t len )
+{
+ ((void) len);
+ return( NULL );
+}
+
+#define POLARSSL_PLATFORM_STD_MALLOC platform_malloc_uninit
+#endif /* !POLARSSL_PLATFORM_STD_MALLOC */
+
+#if !defined(POLARSSL_PLATFORM_STD_FREE)
+static void platform_free_uninit( void *ptr )
+{
+ ((void) ptr);
+}
+
+#define POLARSSL_PLATFORM_STD_FREE platform_free_uninit
+#endif /* !POLARSSL_PLATFORM_STD_FREE */
+
+void * (*polarssl_malloc)( size_t ) = POLARSSL_PLATFORM_STD_MALLOC;
+void (*polarssl_free)( void * ) = POLARSSL_PLATFORM_STD_FREE;
+
+int platform_set_malloc_free( void * (*malloc_func)( size_t ),
+ void (*free_func)( void * ) )
+{
+ polarssl_malloc = malloc_func;
+ polarssl_free = free_func;
+ return( 0 );
+}
+#endif /* POLARSSL_PLATFORM_MEMORY */
+
+#if defined(POLARSSL_PLATFORM_SNPRINTF_ALT)
+#if !defined(POLARSSL_PLATFORM_STD_SNPRINTF)
+/*
+ * Make dummy function to prevent NULL pointer dereferences
+ */
+static int platform_snprintf_uninit( char * s, size_t n,
+ const char * format, ... )
+{
+ ((void) s);
+ ((void) n);
+ ((void) format);
+ return( 0 );
+}
+
+#define POLARSSL_PLATFORM_STD_SNPRINTF platform_snprintf_uninit
+#endif /* !POLARSSL_PLATFORM_STD_SNPRINTF */
+
+int (*polarssl_snprintf)( char * s, size_t n,
+ const char * format,
+ ... ) = POLARSSL_PLATFORM_STD_SNPRINTF;
+
+int platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
+ const char * format,
+ ... ) )
+{
+ polarssl_snprintf = snprintf_func;
+ return( 0 );
+}
+#endif /* POLARSSL_PLATFORM_SNPRINTF_ALT */
+
+#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
+#if !defined(POLARSSL_PLATFORM_STD_PRINTF)
+/*
+ * Make dummy function to prevent NULL pointer dereferences
+ */
+static int platform_printf_uninit( const char *format, ... )
+{
+ ((void) format);
+ return( 0 );
+}
+
+#define POLARSSL_PLATFORM_STD_PRINTF platform_printf_uninit
+#endif /* !POLARSSL_PLATFORM_STD_PRINTF */
+
+int (*polarssl_printf)( const char *, ... ) = POLARSSL_PLATFORM_STD_PRINTF;
+
+int platform_set_printf( int (*printf_func)( const char *, ... ) )
+{
+ polarssl_printf = printf_func;
+ return( 0 );
+}
+#endif /* POLARSSL_PLATFORM_PRINTF_ALT */
+
+#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
+#if !defined(POLARSSL_PLATFORM_STD_FPRINTF)
+/*
+ * Make dummy function to prevent NULL pointer dereferences
+ */
+static int platform_fprintf_uninit( FILE *stream, const char *format, ... )
+{
+ ((void) stream);
+ ((void) format);
+ return( 0 );
+}
+
+#define POLARSSL_PLATFORM_STD_FPRINTF platform_fprintf_uninit
+#endif /* !POLARSSL_PLATFORM_STD_FPRINTF */
+
+int (*polarssl_fprintf)( FILE *, const char *, ... ) =
+ POLARSSL_PLATFORM_STD_FPRINTF;
+
+int platform_set_fprintf( int (*fprintf_func)( FILE *, const char *, ... ) )
+{
+ polarssl_fprintf = fprintf_func;
+ return( 0 );
+}
+#endif /* POLARSSL_PLATFORM_FPRINTF_ALT */
+
+#if defined(POLARSSL_PLATFORM_EXIT_ALT)
+#if !defined(POLARSSL_PLATFORM_STD_EXIT)
+/*
+ * Make dummy function to prevent NULL pointer dereferences
+ */
+static void platform_exit_uninit( int status )
+{
+ ((void) status);
+}
+
+#define POLARSSL_PLATFORM_STD_EXIT platform_exit_uninit
+#endif /* !POLARSSL_PLATFORM_STD_EXIT */
+
+void (*polarssl_exit)( int status ) = POLARSSL_PLATFORM_STD_EXIT;
+
+int platform_set_exit( void (*exit_func)( int status ) )
+{
+ polarssl_exit = exit_func;
+ return( 0 );
+}
+#endif /* POLARSSL_PLATFORM_EXIT_ALT */
+
+#endif /* POLARSSL_PLATFORM_C */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/platform.h b/arduino/libraries/BLEHomekit/src/crypto/srp/platform.h
new file mode 100755
index 0000000..639b180
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/platform.h
@@ -0,0 +1,205 @@
+/**
+ * \file platform.h
+ *
+ * \brief mbed TLS Platform abstraction layer
+ *
+ * Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ * This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef POLARSSL_PLATFORM_H
+#define POLARSSL_PLATFORM_H
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+/* Temporary compatibility hack for to keep MEMORY_C working */
+#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_MEMORY)
+#define POLARSSL_PLATFORM_MEMORY
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \name SECTION: Module settings
+ *
+ * The configuration options you can set for this module are in this section.
+ * Either change them in config.h or define them on the compiler command line.
+ * \{
+ */
+
+#if !defined(POLARSSL_PLATFORM_NO_STD_FUNCTIONS)
+#include <stdio.h>
+#include <stdlib.h>
+#if !defined(POLARSSL_PLATFORM_STD_SNPRINTF)
+#define POLARSSL_PLATFORM_STD_SNPRINTF snprintf /**< Default snprintf to use */
+#endif
+#if !defined(POLARSSL_PLATFORM_STD_PRINTF)
+#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use */
+#endif
+#if !defined(POLARSSL_PLATFORM_STD_FPRINTF)
+#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
+#endif
+#if !defined(POLARSSL_PLATFORM_STD_MALLOC)
+#define POLARSSL_PLATFORM_STD_MALLOC malloc /**< Default allocator to use */
+#endif
+#if !defined(POLARSSL_PLATFORM_STD_FREE)
+#define POLARSSL_PLATFORM_STD_FREE free /**< Default free to use */
+#endif
+#if !defined(POLARSSL_PLATFORM_STD_EXIT)
+#define POLARSSL_PLATFORM_STD_EXIT exit /**< Default free to use */
+#endif
+#else /* POLARSSL_PLATFORM_NO_STD_FUNCTIONS */
+#if defined(POLARSSL_PLATFORM_STD_MEM_HDR)
+#include POLARSSL_PLATFORM_STD_MEM_HDR
+#endif
+#endif /* POLARSSL_PLATFORM_NO_STD_FUNCTIONS */
+
+/* \} name SECTION: Module settings */
+
+/*
+ * The function pointers for malloc and free
+ */
+#if defined(POLARSSL_PLATFORM_MEMORY)
+#if defined(POLARSSL_PLATFORM_FREE_MACRO) && \
+ defined(POLARSSL_PLATFORM_MALLOC_MACRO)
+#define polarssl_free POLARSSL_PLATFORM_FREE_MACRO
+#define polarssl_malloc POLARSSL_PLATFORM_MALLOC_MACRO
+#else
+/* For size_t */
+#include <stddef.h>
+extern void * (*polarssl_malloc)( size_t len );
+extern void (*polarssl_free)( void *ptr );
+
+/**
+ * \brief Set your own memory implementation function pointers
+ *
+ * \param malloc_func the malloc function implementation
+ * \param free_func the free function implementation
+ *
+ * \return 0 if successful
+ */
+int platform_set_malloc_free( void * (*malloc_func)( size_t ),
+ void (*free_func)( void * ) );
+#endif /* POLARSSL_PLATFORM_FREE_MACRO && POLARSSL_PLATFORM_MALLOC_MACRO */
+#else /* !POLARSSL_PLATFORM_MEMORY */
+#define polarssl_free free
+#define polarssl_malloc malloc
+#endif /* POLARSSL_PLATFORM_MEMORY && !POLARSSL_PLATFORM_{FREE,MALLOC}_MACRO */
+
+/*
+ * The function pointers for fprintf
+ */
+#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
+/* We need FILE * */
+#include <stdio.h>
+extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
+
+/**
+ * \brief Set your own fprintf function pointer
+ *
+ * \param fprintf_func the fprintf function implementation
+ *
+ * \return 0
+ */
+int platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
+ ... ) );
+#else
+#if defined(POLARSSL_PLATFORM_FPRINTF_MACRO)
+#define polarssl_fprintf POLARSSL_PLATFORM_FPRINTF_MACRO
+#else
+#define polarssl_fprintf fprintf
+#endif /* POLARSSL_PLATFORM_FPRINTF_MACRO */
+#endif /* POLARSSL_PLATFORM_FPRINTF_ALT */
+
+/*
+ * The function pointers for printf
+ */
+#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
+extern int (*polarssl_printf)( const char *format, ... );
+
+/**
+ * \brief Set your own printf function pointer
+ *
+ * \param printf_func the printf function implementation
+ *
+ * \return 0
+ */
+int platform_set_printf( int (*printf_func)( const char *, ... ) );
+#else /* !POLARSSL_PLATFORM_PRINTF_ALT */
+#if defined(POLARSSL_PLATFORM_PRINTF_MACRO)
+#define polarssl_printf POLARSSL_PLATFORM_PRINTF_MACRO
+#else
+#define polarssl_printf printf
+#endif /* POLARSSL_PLATFORM_PRINTF_MACRO */
+#endif /* POLARSSL_PLATFORM_PRINTF_ALT */
+
+/*
+ * The function pointers for snprintf
+ */
+#if defined(POLARSSL_PLATFORM_SNPRINTF_ALT)
+extern int (*polarssl_snprintf)( char * s, size_t n, const char * format, ... );
+
+/**
+ * \brief Set your own snprintf function pointer
+ *
+ * \param snprintf_func the snprintf function implementation
+ *
+ * \return 0
+ */
+int platform_set_snprintf( int (*snprintf_func)( char * s, size_t n,
+ const char * format, ... ) );
+#else /* POLARSSL_PLATFORM_SNPRINTF_ALT */
+#if defined(POLARSSL_PLATFORM_SNPRINTF_MACRO)
+#define polarssl_snprintf POLARSSL_PLATFORM_SNPRINTF_MACRO
+#else
+#define polarssl_snprintf snprintf
+#endif /* POLARSSL_PLATFORM_SNPRINTF_MACRO */
+#endif /* POLARSSL_PLATFORM_SNPRINTF_ALT */
+
+/*
+ * The function pointers for exit
+ */
+#if defined(POLARSSL_PLATFORM_EXIT_ALT)
+extern void (*polarssl_exit)( int status );
+
+/**
+ * \brief Set your own exit function pointer
+ *
+ * \param exit_func the exit function implementation
+ *
+ * \return 0
+ */
+int platform_set_exit( void (*exit_func)( int status ) );
+#else
+#if defined(POLARSSL_PLATFORM_EXIT_MACRO)
+#define polarssl_exit POLARSSL_PLATFORM_EXIT_MACRO
+#else
+#define polarssl_exit exit
+#endif /* POLARSSL_PLATFORM_EXIT_MACRO */
+#endif /* POLARSSL_PLATFORM_EXIT_ALT */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* platform.h */
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/srp.c b/arduino/libraries/BLEHomekit/src/crypto/srp/srp.c
new file mode 100755
index 0000000..743da1b
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/srp.c
@@ -0,0 +1,412 @@
+/*
+ * srp.c
+ *
+ * SRP algorithm (see http://srp.stanford.edu)
+ * Uses bits of the ARM mbed TSL library (https://tls.mbed.org).
+ * Notes: You can probably do better here since N and G are known at compile time.
+ * This library uses a massive amount of RAM during calculations.
+ * The SRP handshake takes 30+ seconds.
+ *
+ * Created on: Jun 10, 2015
+ * Author: tim
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+//#include <app_error.h>
+
+//#include "homekit/homekit-config.h"
+#include "bignum.h"
+#include "memory_buffer_alloc.h"
+#include "../random.h"
+#include "srp.h"
+#include "../tweetnacl-modified/tweetnacl.h"
+//#include "homekit/pairing.h"
+
+#include "common_inc.h"
+#include "rtos.h"
+#include "nrf_error.h"
+
+#define E(V) (((V) << 24) | ((V) >> 24) | (((V) >> 8) & 0x0000FF00) | (((V) << 8) & 0x00FF0000))
+static const uint32_t srp_N[] =
+{
+ E(0xFFFFFFFF), E(0xFFFFFFFF), E(0xC90FDAA2), E(0x2168C234), E(0xC4C6628B), E(0x80DC1CD1), E(0x29024E08),
+ E(0x8A67CC74), E(0x020BBEA6), E(0x3B139B22), E(0x514A0879), E(0x8E3404DD), E(0xEF9519B3), E(0xCD3A431B),
+ E(0x302B0A6D), E(0xF25F1437), E(0x4FE1356D), E(0x6D51C245), E(0xE485B576), E(0x625E7EC6), E(0xF44C42E9),
+ E(0xA637ED6B), E(0x0BFF5CB6), E(0xF406B7ED), E(0xEE386BFB), E(0x5A899FA5), E(0xAE9F2411), E(0x7C4B1FE6),
+ E(0x49286651), E(0xECE45B3D), E(0xC2007CB8), E(0xA163BF05), E(0x98DA4836), E(0x1C55D39A), E(0x69163FA8),
+ E(0xFD24CF5F), E(0x83655D23), E(0xDCA3AD96), E(0x1C62F356), E(0x208552BB), E(0x9ED52907), E(0x7096966D),
+ E(0x670C354E), E(0x4ABC9804), E(0xF1746C08), E(0xCA18217C), E(0x32905E46), E(0x2E36CE3B), E(0xE39E772C),
+ E(0x180E8603), E(0x9B2783A2), E(0xEC07A28F), E(0xB5C55DF0), E(0x6F4C52C9), E(0xDE2BCBF6), E(0x95581718),
+ E(0x3995497C), E(0xEA956AE5), E(0x15D22618), E(0x98FA0510), E(0x15728E5A), E(0x8AAAC42D), E(0xAD33170D),
+ E(0x04507A33), E(0xA85521AB), E(0xDF1CBA64), E(0xECFB8504), E(0x58DBEF0A), E(0x8AEA7157), E(0x5D060C7D),
+ E(0xB3970F85), E(0xA6E1E4C7), E(0xABF5AE8C), E(0xDB0933D7), E(0x1E8C94E0), E(0x4A25619D), E(0xCEE3D226),
+ E(0x1AD2EE6B), E(0xF12FFA06), E(0xD98A0864), E(0xD8760273), E(0x3EC86A64), E(0x521F2B18), E(0x177B200C),
+ E(0xBBE11757), E(0x7A615D6C), E(0x770988C0), E(0xBAD946E2), E(0x08E24FA0), E(0x74E5AB31), E(0x43DB5BFC),
+ E(0xE0FD108E), E(0x4B82D120), E(0xA93AD2CA), E(0xFFFFFFFF), E(0xFFFFFFFF)
+};
+#undef E
+static const uint32_t srp_N_sizeof = 384;
+static const uint8_t srp_G = 5;
+// Pre-compute hashes where we can k = H(N | PAD(g))
+static const uint8_t srp_N_G_hash[] =
+{
+ 0xA9, 0xC2, 0xE2, 0x55, 0x9B, 0xF0, 0xEB, 0xB5, 0x3F, 0x0C, 0xBB, 0xF6, 0x22, 0x82, 0x90, 0x6B,
+ 0xED, 0xE7, 0xF2, 0x18, 0x2F, 0x00, 0x67, 0x82, 0x11, 0xFB, 0xD5, 0xBD, 0xE5, 0xB2, 0x85, 0x03,
+ 0x3A, 0x49, 0x93, 0x50, 0x3B, 0x87, 0x39, 0x7F, 0x9B, 0xE5, 0xEC, 0x02, 0x08, 0x0F, 0xED, 0xBC,
+ 0x08, 0x35, 0x58, 0x7A, 0xD0, 0x39, 0x06, 0x08, 0x79, 0xB8, 0x62, 0x1E, 0x8C, 0x36, 0x59, 0xE0
+};
+static const uint8_t srp_N_hash_srp_G_hash[] =
+{
+ 0xB3, 0xD6, 0x3E, 0xF6, 0xAA, 0xFB, 0x2E, 0x97, 0x96, 0xDA, 0xE0, 0x06, 0xFE, 0x60, 0xF2, 0x0E,
+ 0x53, 0x26, 0xFE, 0x1E, 0x1C, 0x52, 0xA5, 0x02, 0x1E, 0xB2, 0x17, 0x47, 0xCA, 0x33, 0xDF, 0xEA,
+ 0x8F, 0xF2, 0x03, 0xBD, 0x45, 0xA2, 0x54, 0x43, 0x95, 0xD7, 0x3D, 0x19, 0x89, 0x9C, 0x17, 0x4A,
+ 0x68, 0x3C, 0x9E, 0x78, 0x32, 0x96, 0xDD, 0x16, 0x93, 0xEB, 0xC7, 0x1C, 0xF5, 0xA5, 0x3D, 0xA3
+};
+
+
+#if TEST_APPLE
+
+#define HOMEKIT_CONFIG_PINCODE "password123"
+#define HOMEKIT_USERNAME "alice"
+
+static const uint8_t pincode[17] = HOMEKIT_USERNAME ":" HOMEKIT_CONFIG_PINCODE;
+
+const uint8_t dbg_salt[] =
+{
+ 0xBE, 0xB2, 0x53, 0x79, 0xD1, 0xA8, 0x58, 0x1E, 0xB5, 0xA7, 0x27, 0x67, 0x3A, 0x24, 0x41, 0xEE
+};
+
+const uint8_t dbg_b[] =
+{
+ 0xE4, 0x87, 0xCB, 0x59, 0xD3, 0x1A, 0xC5, 0x50, 0x47, 0x1E, 0x81, 0xF0, 0x0F, 0x69, 0x28, 0xE0,
+ 0x1D, 0xDA, 0x08, 0xE9, 0x74, 0xA0, 0x04, 0xF4, 0x9E, 0x61, 0xF5, 0xD1, 0x05, 0x28, 0x4D, 0x20
+};
+
+#else
+
+#define HOMEKIT_CONFIG_PINCODE "111-22-333"
+#define HOMEKIT_USERNAME "Pair-Setup"
+static const uint8_t pincode[21] = HOMEKIT_USERNAME ":" HOMEKIT_CONFIG_PINCODE;
+
+#if DEBUG_SRP
+const uint8_t dbg_salt[] =
+{
+ 0x6E, 0xFC, 0xCB, 0x4A, 0x0D, 0x20, 0xDA, 0x55,
+ 0x57, 0xE9, 0xDF, 0xD5, 0x44, 0x2B, 0x59, 0x48
+};
+
+const uint8_t dbg_b[] =
+{
+ 0xCB, 0x13, 0xF7, 0xDB, 0x5A, 0x8A, 0xF0, 0xFB,
+ 0xE3, 0xB7, 0x85, 0x89, 0xEA, 0x89, 0xC5, 0x3C,
+ 0x61, 0x10, 0x21, 0x0B, 0x6F, 0xE5, 0x31, 0xD4,
+ 0xCE, 0x7D, 0xF6, 0x72, 0x59, 0x18, 0x95, 0xA1
+};
+#endif
+#endif
+
+#if DEBUG_SRP
+void print_mpi(const char* str, mpi* m)
+{
+ uint32_t len = mpi_size(m) ;
+ uint8_t* buf = (uint8_t*) rtos_malloc ( len );
+ VERIFY(buf, );
+
+ mpi_write_binary(m, buf, len);
+ LOG_LV2_BUFFER(str, buf, len);
+
+ rtos_free(buf);
+}
+#endif
+
+srp_keys_t srp;
+
+//static void MPI_ERROR_CHECK(int CODE)
+//{
+// if (CODE != 0)
+// {
+// APP_ERROR_CHECK(NRF_ERROR_INTERNAL);
+// }
+//}
+
+#define MPI_ERROR_CHECK(_code) VERIFY_STATUS(_code, )
+
+/**
+ * Adafruit: re-calculate x if p changes (setup code)
+ */
+void srp_init(void)
+{
+ int err_code;
+
+ // The MPI library uses a ridiculous amount of memory. We use the stack allocator
+ // so we don't tie this memory up except when we absolutely need to.
+// uint8_t memory[11 * 1024];
+// memory_buffer_alloc_init(memory, sizeof(memory));
+
+#if DEBUG_SRP
+ memcpy(srp.salt, dbg_salt, sizeof(srp.salt));
+ memcpy(srp.b, dbg_b, 32);
+#else
+ // Generate salt
+ random_create(srp.salt, sizeof(srp.salt));
+
+ // Generate 'b' - a random value
+ random_create(srp.b, 32);
+#endif
+
+ // Calculate 'x' = H(s | H(I | ":" | P))
+ mpi x;
+ mpi_init(&x);
+ {
+ uint8_t message[sizeof(srp.salt) + 64];
+ memcpy(message, srp.salt, sizeof(srp.salt));
+ crypto_hash_sha512(message + sizeof(srp.salt), pincode, sizeof(pincode));
+ crypto_hash_sha512(message, message, sizeof(message));
+ err_code = mpi_read_binary(&x, message, 64);
+ MPI_ERROR_CHECK(err_code);
+ }
+
+ // Calculate 'v' = g ^ x mod N
+ mpi g;
+ mpi_init(&g);
+ err_code = mpi_lset(&g, srp_G);
+ MPI_ERROR_CHECK(err_code);
+
+ mpi n;
+ mpi_init(&n);
+ err_code = mpi_read_binary(&n, (uint8_t*)srp_N, srp_N_sizeof);
+ MPI_ERROR_CHECK(err_code);
+
+ mpi tmp;
+ mpi_init(&tmp);
+ mpi v;
+ mpi_init(&v);
+ err_code = mpi_exp_mod(&v, &g, &x, &n, &tmp);
+ MPI_ERROR_CHECK(err_code);
+
+ // Calculate 'k'
+ mpi k;
+ mpi_init(&k);
+ err_code = mpi_read_binary(&k, srp_N_G_hash, sizeof(srp_N_G_hash));
+ MPI_ERROR_CHECK(err_code);
+
+ // Calculate 'B' = k*v + g^b % N
+ mpi B;
+ mpi_init(&B);
+ err_code = mpi_mul_mpi(&B, &k, &v);
+ MPI_ERROR_CHECK(err_code);
+
+ err_code = mpi_write_binary(&v, srp.v, sizeof(srp.v));
+ MPI_ERROR_CHECK(err_code);
+ mpi_free(&v);
+
+ mpi b;
+ mpi_init(&b);
+ err_code = mpi_read_binary(&b, srp.b, sizeof(srp.b));
+ MPI_ERROR_CHECK(err_code);
+
+ err_code = mpi_exp_mod(&x, &g, &b, &n, &tmp);
+ MPI_ERROR_CHECK(err_code);
+ err_code = mpi_add_abs(&B, &B, &x);
+ MPI_ERROR_CHECK(err_code);
+ err_code = mpi_mod_mpi(&B, &B, &n);
+ MPI_ERROR_CHECK(err_code);
+ err_code = mpi_write_binary(&B, srp.B, sizeof(srp.B));
+
+ mpi_free(&b);
+ mpi_free(&B);
+ mpi_free(&k);
+ mpi_free(&tmp);
+ mpi_free(&n);
+ mpi_free(&g);
+ mpi_free(&x);
+
+// memory_buffer_alloc_free();
+}
+
+void srp_start(void)
+{
+ srp.clientM1 = 0;
+ srp.serverM1 = 0;
+}
+
+uint8_t srp_setA(uint8_t* abuf, uint16_t length, moretime_t moretime)
+{
+ int err_code;
+
+ // The MPI library uses a ridiculous amount of memory. We use the stack allocator
+ // so we don't tie this memory up except when we absolutely need to.
+// uint8_t memory[11 * 1024];
+// memory_buffer_alloc_init(memory, sizeof(memory));
+
+ // getK
+ {
+ mpi s;
+ mpi_init(&s);
+
+ mpi n;
+ mpi_init(&n);
+ err_code = mpi_read_binary(&n, (uint8_t*)srp_N, srp_N_sizeof);
+ MPI_ERROR_CHECK(err_code);
+
+ {
+ // u = H(A | B)
+ mpi u;
+ mpi_init(&u);
+ {
+ uint8_t message[length + sizeof(srp.B)];
+ memcpy(message, abuf, length);
+ memcpy(message + length, srp.B, sizeof(srp.B));
+ crypto_hash_sha512(message, message, sizeof(message));
+
+ err_code = mpi_read_binary(&u, message, 64);
+ MPI_ERROR_CHECK(err_code);
+ }
+
+ mpi v;
+ mpi_init(&v);
+ err_code = mpi_read_binary(&v, srp.v, sizeof(srp.v));
+
+ // getS = (A * v^u mod N)^b mod N
+ err_code = mpi_exp_mod(&s, &v, &u, &n, NULL);
+ MPI_ERROR_CHECK(err_code);
+
+ mpi_free(&v);
+ mpi_free(&u);
+ }
+
+ // These calculations take a long time. To avoid the connection dying we ask for more time now.
+ if (moretime)
+ {
+ moretime();
+ }
+
+ {
+ mpi a;
+ mpi_init(&a);
+ err_code = mpi_read_binary(&a, abuf, length);
+ MPI_ERROR_CHECK(err_code);
+
+ err_code = mpi_mul_mpi(&s, &s, &a);
+ MPI_ERROR_CHECK(err_code);
+ mpi_free(&a);
+
+ mpi b;
+ mpi_init(&b);
+ err_code = mpi_read_binary(&b, srp.b, sizeof(srp.b));
+
+ err_code = mpi_exp_mod(&s, &s, &b, &n, NULL);
+ MPI_ERROR_CHECK(err_code);
+
+ mpi_free(&b);
+ }
+
+ mpi_free(&n);
+
+#if DEBUG_SRP > 1
+// print_mpi("S", &s);
+#endif
+
+ uint8_t sbuf[384];
+ err_code = mpi_write_binary(&s, sbuf, sizeof(sbuf));
+ MPI_ERROR_CHECK(err_code);
+
+ mpi_free(&s);
+
+ crypto_hash_sha512(srp.K, sbuf, sizeof(sbuf));
+
+#if DEBUG_SRP > 1
+ LOG_LV2_BUFFER("K=H(S)", srp.K, sizeof(srp.K));
+#endif
+ }
+
+// memory_buffer_alloc_free();
+
+ // getM1 - username s abuf srp.B K
+ {
+ uint8_t message[sizeof(srp_N_hash_srp_G_hash) + 64 + sizeof(srp.salt) + length + 384 + sizeof(srp.K)];
+ memcpy(message, srp_N_hash_srp_G_hash, sizeof(srp_N_hash_srp_G_hash));
+ crypto_hash_sha512(message + sizeof(srp_N_hash_srp_G_hash), pincode, strlen(HOMEKIT_USERNAME)); // First 10 chars only - not the PIN part
+ memcpy(message + sizeof(srp_N_hash_srp_G_hash) + 64, srp.salt, sizeof(srp.salt));
+ memcpy(message + sizeof(srp_N_hash_srp_G_hash) + 64 + sizeof(srp.salt), abuf, length);
+ memcpy(message + sizeof(srp_N_hash_srp_G_hash) + 64 + sizeof(srp.salt) + length, srp.B, sizeof(srp.B));
+ memcpy(message + sizeof(srp_N_hash_srp_G_hash) + 64 + sizeof(srp.salt) + length + 384, srp.K, sizeof(srp.K));
+ srp.serverM1 = 1;
+ if (srp.clientM1)
+ {
+ uint8_t hash[64];
+ crypto_hash_sha512(hash, message, sizeof(message));
+ if (memcmp(hash, srp.M1, sizeof(srp.M1)) != 0)
+ {
+ return 0;
+ }
+ }
+ else
+ {
+ crypto_hash_sha512(srp.M1, message, sizeof(message));
+ }
+ }
+
+#if DEBUG_SRP > 1
+ LOG_LV2_BUFFER("M1", srp.M1, sizeof(srp.M1));
+#endif
+
+ // getM2
+ {
+ uint8_t message[length + sizeof(srp.M1) + sizeof(srp.K)];
+ memcpy(message, abuf, length);
+ memcpy(message + length, srp.M1, sizeof(srp.M1));
+ memcpy(message + length + sizeof(srp.M1), srp.K, sizeof(srp.K));
+ crypto_hash_sha512(srp.M2, message, sizeof(message));
+ }
+
+#if DEBUG_SRP > 1
+ LOG_LV2_BUFFER("M2", srp.M2, sizeof(srp.M2));
+#endif
+
+
+ return 1;
+}
+
+uint8_t* srp_getSalt(void)
+{
+ return srp.salt;
+}
+
+uint8_t* srp_getB(void)
+{
+ return srp.B;
+}
+
+uint8_t srp_checkM1(uint8_t* m1, uint16_t length)
+{
+ srp.clientM1 = 1;
+ if (length != sizeof(srp.M1))
+ {
+ return 0;
+ }
+ if (srp.serverM1)
+ {
+ if (memcmp(srp.M1, m1, sizeof(srp.M1)) != 0)
+ {
+ return 0;
+ }
+ }
+ else
+ {
+ memcpy(srp.M1, m1, sizeof(srp.M1));
+ }
+ return 1;
+}
+
+uint8_t* srp_getM2(void)
+{
+ return srp.M2;
+}
+
+uint8_t* srp_getK(void)
+{
+ return srp.K;
+}
diff --git a/arduino/libraries/BLEHomekit/src/crypto/srp/srp.h b/arduino/libraries/BLEHomekit/src/crypto/srp/srp.h
new file mode 100755
index 0000000..7d11bcd
--- /dev/null
+++ b/arduino/libraries/BLEHomekit/src/crypto/srp/srp.h
@@ -0,0 +1,54 @@
+/*
+ * srp.h
+ *
+ * Created on: Jun 10, 2015
+ * Author: tim
+ */
+
+#ifndef HOMEKIT_SRP_SRP_H_
+#define HOMEKIT_SRP_SRP_H_
+
+#define BIGNUM_BYTES 384
+#define BIGNUM_WORDS (BIGNUM_BYTES / 4)
+
+#define DEBUG_SRP 0
+#define TEST_APPLE 0
+
+typedef struct
+{
+ uint8_t b[32];
+ uint8_t salt[16];
+ uint8_t v[384];
+ uint8_t B[384];
+
+ uint8_t K[64];
+ uint8_t M1[64];
+ uint8_t M2[64];
+
+ uint8_t clientM1:1;
+ uint8_t serverM1:1;
+} srp_keys_t;
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+extern srp_keys_t srp;
+
+typedef void (*moretime_t)(void);
+
+extern void srp_init(void);
+extern void srp_start(void);
+extern uint8_t srp_setA(uint8_t* a, uint16_t length, moretime_t moretime);
+extern uint8_t srp_checkM1(uint8_t* m1, uint16_t length);
+extern uint8_t* srp_getSalt(void);
+extern uint8_t* srp_getB(void);
+extern uint8_t* srp_getM2(void);
+extern uint8_t* srp_getK(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HOMEKIT_SRP_SRP_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-06 11:23:06 +0000