Diff: SSL/library/md5.c

Revision:

0:796d0f61a05b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SSL/library/md5.c	Thu Sep 27 06:34:22 2018 +0000
@@ -0,0 +1,599 @@
+/*
+ *  RFC 1321 compliant MD5 implementation
+ *
+ *  Copyright (C) 2006-2014, Brainspark B.V.
+ *
+ *  This file is part of PolarSSL (http://www.polarssl.org)
+ *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
+ *
+ *  All rights reserved.
+ *
+ *  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.
+ */
+/*
+ *  The MD5 algorithm was designed by Ron Rivest in 1991.
+ *
+ *  http://www.ietf.org/rfc/rfc1321.txt
+ */
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "polarssl/config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#if defined(POLARSSL_MD5_C)
+
+#include "polarssl/md5.h"
+
+#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST)
+#include <stdio.h>
+#endif
+
+#if defined(POLARSSL_PLATFORM_C)
+#include "polarssl/platform.h"
+#else
+#define polarssl_printf printf
+#endif
+
+#if !defined(POLARSSL_MD5_ALT)
+
+/*
+ * 32-bit integer manipulation macros (little endian)
+ */
+#ifndef GET_UINT32_LE
+#define GET_UINT32_LE(n,b,i)                            \
+{                                                       \
+    (n) = ( (uint32_t) (b)[(i)    ]       )             \
+        | ( (uint32_t) (b)[(i) + 1] <<  8 )             \
+        | ( (uint32_t) (b)[(i) + 2] << 16 )             \
+        | ( (uint32_t) (b)[(i) + 3] << 24 );            \
+}
+#endif
+
+#ifndef PUT_UINT32_LE
+#define PUT_UINT32_LE(n,b,i)                            \
+{                                                       \
+    (b)[(i)    ] = (unsigned char) ( (n)       );       \
+    (b)[(i) + 1] = (unsigned char) ( (n) >>  8 );       \
+    (b)[(i) + 2] = (unsigned char) ( (n) >> 16 );       \
+    (b)[(i) + 3] = (unsigned char) ( (n) >> 24 );       \
+}
+#endif
+
+/*
+ * MD5 context setup
+ */
+void md5_starts( md5_context *ctx )
+{
+    ctx->total[0] = 0;
+    ctx->total[1] = 0;
+
+    ctx->state[0] = 0x67452301;
+    ctx->state[1] = 0xEFCDAB89;
+    ctx->state[2] = 0x98BADCFE;
+    ctx->state[3] = 0x10325476;
+}
+
+void md5_process( md5_context *ctx, const unsigned char data[64] )
+{
+    uint32_t X[16], A, B, C, D;
+
+    GET_UINT32_LE( X[ 0], data,  0 );
+    GET_UINT32_LE( X[ 1], data,  4 );
+    GET_UINT32_LE( X[ 2], data,  8 );
+    GET_UINT32_LE( X[ 3], data, 12 );
+    GET_UINT32_LE( X[ 4], data, 16 );
+    GET_UINT32_LE( X[ 5], data, 20 );
+    GET_UINT32_LE( X[ 6], data, 24 );
+    GET_UINT32_LE( X[ 7], data, 28 );
+    GET_UINT32_LE( X[ 8], data, 32 );
+    GET_UINT32_LE( X[ 9], data, 36 );
+    GET_UINT32_LE( X[10], data, 40 );
+    GET_UINT32_LE( X[11], data, 44 );
+    GET_UINT32_LE( X[12], data, 48 );
+    GET_UINT32_LE( X[13], data, 52 );
+    GET_UINT32_LE( X[14], data, 56 );
+    GET_UINT32_LE( X[15], data, 60 );
+
+#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
+
+#define P(a,b,c,d,k,s,t)                                \
+{                                                       \
+    a += F(b,c,d) + X[k] + t; a = S(a,s) + b;           \
+}
+
+    A = ctx->state[0];
+    B = ctx->state[1];
+    C = ctx->state[2];
+    D = ctx->state[3];
+
+#define F(x,y,z) (z ^ (x & (y ^ z)))
+
+    P( A, B, C, D,  0,  7, 0xD76AA478 );
+    P( D, A, B, C,  1, 12, 0xE8C7B756 );
+    P( C, D, A, B,  2, 17, 0x242070DB );
+    P( B, C, D, A,  3, 22, 0xC1BDCEEE );
+    P( A, B, C, D,  4,  7, 0xF57C0FAF );
+    P( D, A, B, C,  5, 12, 0x4787C62A );
+    P( C, D, A, B,  6, 17, 0xA8304613 );
+    P( B, C, D, A,  7, 22, 0xFD469501 );
+    P( A, B, C, D,  8,  7, 0x698098D8 );
+    P( D, A, B, C,  9, 12, 0x8B44F7AF );
+    P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
+    P( B, C, D, A, 11, 22, 0x895CD7BE );
+    P( A, B, C, D, 12,  7, 0x6B901122 );
+    P( D, A, B, C, 13, 12, 0xFD987193 );
+    P( C, D, A, B, 14, 17, 0xA679438E );
+    P( B, C, D, A, 15, 22, 0x49B40821 );
+
+#undef F
+
+#define F(x,y,z) (y ^ (z & (x ^ y)))
+
+    P( A, B, C, D,  1,  5, 0xF61E2562 );
+    P( D, A, B, C,  6,  9, 0xC040B340 );
+    P( C, D, A, B, 11, 14, 0x265E5A51 );
+    P( B, C, D, A,  0, 20, 0xE9B6C7AA );
+    P( A, B, C, D,  5,  5, 0xD62F105D );
+    P( D, A, B, C, 10,  9, 0x02441453 );
+    P( C, D, A, B, 15, 14, 0xD8A1E681 );
+    P( B, C, D, A,  4, 20, 0xE7D3FBC8 );
+    P( A, B, C, D,  9,  5, 0x21E1CDE6 );
+    P( D, A, B, C, 14,  9, 0xC33707D6 );
+    P( C, D, A, B,  3, 14, 0xF4D50D87 );
+    P( B, C, D, A,  8, 20, 0x455A14ED );
+    P( A, B, C, D, 13,  5, 0xA9E3E905 );
+    P( D, A, B, C,  2,  9, 0xFCEFA3F8 );
+    P( C, D, A, B,  7, 14, 0x676F02D9 );
+    P( B, C, D, A, 12, 20, 0x8D2A4C8A );
+
+#undef F
+
+#define F(x,y,z) (x ^ y ^ z)
+
+    P( A, B, C, D,  5,  4, 0xFFFA3942 );
+    P( D, A, B, C,  8, 11, 0x8771F681 );
+    P( C, D, A, B, 11, 16, 0x6D9D6122 );
+    P( B, C, D, A, 14, 23, 0xFDE5380C );
+    P( A, B, C, D,  1,  4, 0xA4BEEA44 );
+    P( D, A, B, C,  4, 11, 0x4BDECFA9 );
+    P( C, D, A, B,  7, 16, 0xF6BB4B60 );
+    P( B, C, D, A, 10, 23, 0xBEBFBC70 );
+    P( A, B, C, D, 13,  4, 0x289B7EC6 );
+    P( D, A, B, C,  0, 11, 0xEAA127FA );
+    P( C, D, A, B,  3, 16, 0xD4EF3085 );
+    P( B, C, D, A,  6, 23, 0x04881D05 );
+    P( A, B, C, D,  9,  4, 0xD9D4D039 );
+    P( D, A, B, C, 12, 11, 0xE6DB99E5 );
+    P( C, D, A, B, 15, 16, 0x1FA27CF8 );
+    P( B, C, D, A,  2, 23, 0xC4AC5665 );
+
+#undef F
+
+#define F(x,y,z) (y ^ (x | ~z))
+
+    P( A, B, C, D,  0,  6, 0xF4292244 );
+    P( D, A, B, C,  7, 10, 0x432AFF97 );
+    P( C, D, A, B, 14, 15, 0xAB9423A7 );
+    P( B, C, D, A,  5, 21, 0xFC93A039 );
+    P( A, B, C, D, 12,  6, 0x655B59C3 );
+    P( D, A, B, C,  3, 10, 0x8F0CCC92 );
+    P( C, D, A, B, 10, 15, 0xFFEFF47D );
+    P( B, C, D, A,  1, 21, 0x85845DD1 );
+    P( A, B, C, D,  8,  6, 0x6FA87E4F );
+    P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
+    P( C, D, A, B,  6, 15, 0xA3014314 );
+    P( B, C, D, A, 13, 21, 0x4E0811A1 );
+    P( A, B, C, D,  4,  6, 0xF7537E82 );
+    P( D, A, B, C, 11, 10, 0xBD3AF235 );
+    P( C, D, A, B,  2, 15, 0x2AD7D2BB );
+    P( B, C, D, A,  9, 21, 0xEB86D391 );
+
+#undef F
+
+    ctx->state[0] += A;
+    ctx->state[1] += B;
+    ctx->state[2] += C;
+    ctx->state[3] += D;
+}
+
+/*
+ * MD5 process buffer
+ */
+void md5_update( md5_context *ctx, const unsigned char *input, size_t ilen )
+{
+    size_t fill;
+    uint32_t left;
+
+    if( ilen <= 0 )
+        return;
+
+    left = ctx->total[0] & 0x3F;
+    fill = 64 - left;
+
+    ctx->total[0] += (uint32_t) ilen;
+    ctx->total[0] &= 0xFFFFFFFF;
+
+    if( ctx->total[0] < (uint32_t) ilen )
+        ctx->total[1]++;
+
+    if( left && ilen >= fill )
+    {
+        memcpy( (void *) (ctx->buffer + left), input, fill );
+        md5_process( ctx, ctx->buffer );
+        input += fill;
+        ilen  -= fill;
+        left = 0;
+    }
+
+    while( ilen >= 64 )
+    {
+        md5_process( ctx, input );
+        input += 64;
+        ilen  -= 64;
+    }
+
+    if( ilen > 0 )
+    {
+        memcpy( (void *) (ctx->buffer + left), input, ilen );
+    }
+}
+
+static const unsigned char md5_padding[64] =
+{
+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/*
+ * MD5 final digest
+ */
+void md5_finish( md5_context *ctx, unsigned char output[16] )
+{
+    uint32_t last, padn;
+    uint32_t high, low;
+    unsigned char msglen[8];
+
+    high = ( ctx->total[0] >> 29 )
+         | ( ctx->total[1] <<  3 );
+    low  = ( ctx->total[0] <<  3 );
+
+    PUT_UINT32_LE( low,  msglen, 0 );
+    PUT_UINT32_LE( high, msglen, 4 );
+
+    last = ctx->total[0] & 0x3F;
+    padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
+
+    md5_update( ctx, md5_padding, padn );
+    md5_update( ctx, msglen, 8 );
+
+    PUT_UINT32_LE( ctx->state[0], output,  0 );
+    PUT_UINT32_LE( ctx->state[1], output,  4 );
+    PUT_UINT32_LE( ctx->state[2], output,  8 );
+    PUT_UINT32_LE( ctx->state[3], output, 12 );
+}
+
+#endif /* !POLARSSL_MD5_ALT */
+
+/*
+ * output = MD5( input buffer )
+ */
+void md5( const unsigned char *input, size_t ilen, unsigned char output[16] )
+{
+    md5_context ctx;
+
+    md5_starts( &ctx );
+    md5_update( &ctx, input, ilen );
+    md5_finish( &ctx, output );
+
+    memset( &ctx, 0, sizeof( md5_context ) );
+}
+
+#if defined(POLARSSL_FS_IO)
+/*
+ * output = MD5( file contents )
+ */
+int md5_file( const char *path, unsigned char output[16] )
+{
+    FILE *f;
+    size_t n;
+    md5_context ctx;
+    unsigned char buf[1024];
+
+    if( ( f = fopen( path, "rb" ) ) == NULL )
+        return( POLARSSL_ERR_MD5_FILE_IO_ERROR );
+
+    md5_starts( &ctx );
+
+    while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 )
+        md5_update( &ctx, buf, n );
+
+    md5_finish( &ctx, output );
+
+    memset( &ctx, 0, sizeof( md5_context ) );
+
+    if( ferror( f ) != 0 )
+    {
+        fclose( f );
+        return( POLARSSL_ERR_MD5_FILE_IO_ERROR );
+    }
+
+    fclose( f );
+    return( 0 );
+}
+#endif /* POLARSSL_FS_IO */
+
+/*
+ * MD5 HMAC context setup
+ */
+void md5_hmac_starts( md5_context *ctx, const unsigned char *key,
+                      size_t keylen )
+{
+    size_t i;
+    unsigned char sum[16];
+
+    if( keylen > 64 )
+    {
+        md5( key, keylen, sum );
+        keylen = 16;
+        key = sum;
+    }
+
+    memset( ctx->ipad, 0x36, 64 );
+    memset( ctx->opad, 0x5C, 64 );
+
+    for( i = 0; i < keylen; i++ )
+    {
+        ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] );
+        ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] );
+    }
+
+    md5_starts( ctx );
+    md5_update( ctx, ctx->ipad, 64 );
+
+    memset( sum, 0, sizeof( sum ) );
+}
+
+/*
+ * MD5 HMAC process buffer
+ */
+void md5_hmac_update( md5_context *ctx, const unsigned char *input,
+                      size_t ilen )
+{
+    md5_update( ctx, input, ilen );
+}
+
+/*
+ * MD5 HMAC final digest
+ */
+void md5_hmac_finish( md5_context *ctx, unsigned char output[16] )
+{
+    unsigned char tmpbuf[16];
+
+    md5_finish( ctx, tmpbuf );
+    md5_starts( ctx );
+    md5_update( ctx, ctx->opad, 64 );
+    md5_update( ctx, tmpbuf, 16 );
+    md5_finish( ctx, output );
+
+    memset( tmpbuf, 0, sizeof( tmpbuf ) );
+}
+
+/*
+ * MD5 HMAC context reset
+ */
+void md5_hmac_reset( md5_context *ctx )
+{
+    md5_starts( ctx );
+    md5_update( ctx, ctx->ipad, 64 );
+}
+
+/*
+ * output = HMAC-MD5( hmac key, input buffer )
+ */
+void md5_hmac( const unsigned char *key, size_t keylen,
+               const unsigned char *input, size_t ilen,
+               unsigned char output[16] )
+{
+    md5_context ctx;
+
+    md5_hmac_starts( &ctx, key, keylen );
+    md5_hmac_update( &ctx, input, ilen );
+    md5_hmac_finish( &ctx, output );
+
+    memset( &ctx, 0, sizeof( md5_context ) );
+}
+
+#if defined(POLARSSL_SELF_TEST)
+/*
+ * RFC 1321 test vectors
+ */
+static unsigned char md5_test_buf[7][81] =
+{
+    { "" },
+    { "a" },
+    { "abc" },
+    { "message digest" },
+    { "abcdefghijklmnopqrstuvwxyz" },
+    { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
+    { "12345678901234567890123456789012345678901234567890123456789012" \
+      "345678901234567890" }
+};
+
+static const int md5_test_buflen[7] =
+{
+    0, 1, 3, 14, 26, 62, 80
+};
+
+static const unsigned char md5_test_sum[7][16] =
+{
+    { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
+      0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
+    { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
+      0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
+    { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
+      0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
+    { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
+      0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
+    { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
+      0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
+    { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
+      0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
+    { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
+      0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
+};
+
+/*
+ * RFC 2202 test vectors
+ */
+static unsigned char md5_hmac_test_key[7][26] =
+{
+    { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" },
+    { "Jefe" },
+    { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" },
+    { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10"
+      "\x11\x12\x13\x14\x15\x16\x17\x18\x19" },
+    { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" },
+    { "" }, /* 0xAA 80 times */
+    { "" }
+};
+
+static const int md5_hmac_test_keylen[7] =
+{
+    16, 4, 16, 25, 16, 80, 80
+};
+
+static unsigned char md5_hmac_test_buf[7][74] =
+{
+    { "Hi There" },
+    { "what do ya want for nothing?" },
+    { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
+      "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
+      "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
+      "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"
+      "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" },
+    { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
+      "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
+      "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
+      "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"
+      "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" },
+    { "Test With Truncation" },
+    { "Test Using Larger Than Block-Size Key - Hash Key First" },
+    { "Test Using Larger Than Block-Size Key and Larger"
+      " Than One Block-Size Data" }
+};
+
+static const int md5_hmac_test_buflen[7] =
+{
+    8, 28, 50, 50, 20, 54, 73
+};
+
+static const unsigned char md5_hmac_test_sum[7][16] =
+{
+    { 0x92, 0x94, 0x72, 0x7A, 0x36, 0x38, 0xBB, 0x1C,
+      0x13, 0xF4, 0x8E, 0xF8, 0x15, 0x8B, 0xFC, 0x9D },
+    { 0x75, 0x0C, 0x78, 0x3E, 0x6A, 0xB0, 0xB5, 0x03,
+      0xEA, 0xA8, 0x6E, 0x31, 0x0A, 0x5D, 0xB7, 0x38 },
+    { 0x56, 0xBE, 0x34, 0x52, 0x1D, 0x14, 0x4C, 0x88,
+      0xDB, 0xB8, 0xC7, 0x33, 0xF0, 0xE8, 0xB3, 0xF6 },
+    { 0x69, 0x7E, 0xAF, 0x0A, 0xCA, 0x3A, 0x3A, 0xEA,
+      0x3A, 0x75, 0x16, 0x47, 0x46, 0xFF, 0xAA, 0x79 },
+    { 0x56, 0x46, 0x1E, 0xF2, 0x34, 0x2E, 0xDC, 0x00,
+      0xF9, 0xBA, 0xB9, 0x95 },
+    { 0x6B, 0x1A, 0xB7, 0xFE, 0x4B, 0xD7, 0xBF, 0x8F,
+      0x0B, 0x62, 0xE6, 0xCE, 0x61, 0xB9, 0xD0, 0xCD },
+    { 0x6F, 0x63, 0x0F, 0xAD, 0x67, 0xCD, 0xA0, 0xEE,
+      0x1F, 0xB1, 0xF5, 0x62, 0xDB, 0x3A, 0xA5, 0x3E }
+};
+
+/*
+ * Checkup routine
+ */
+int md5_self_test( int verbose )
+{
+    int i, buflen;
+    unsigned char buf[1024];
+    unsigned char md5sum[16];
+    md5_context ctx;
+
+    for( i = 0; i < 7; i++ )
+    {
+        if( verbose != 0 )
+            polarssl_printf( "  MD5 test #%d: ", i + 1 );
+
+        md5( md5_test_buf[i], md5_test_buflen[i], md5sum );
+
+        if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
+        {
+            if( verbose != 0 )
+                polarssl_printf( "failed\n" );
+
+            return( 1 );
+        }
+
+        if( verbose != 0 )
+            polarssl_printf( "passed\n" );
+    }
+
+    if( verbose != 0 )
+        polarssl_printf( "\n" );
+
+    for( i = 0; i < 7; i++ )
+    {
+        if( verbose != 0 )
+            polarssl_printf( "  HMAC-MD5 test #%d: ", i + 1 );
+
+        if( i == 5 || i == 6 )
+        {
+            memset( buf, '\xAA', buflen = 80 );
+            md5_hmac_starts( &ctx, buf, buflen );
+        }
+        else
+            md5_hmac_starts( &ctx, md5_hmac_test_key[i],
+                                   md5_hmac_test_keylen[i] );
+
+        md5_hmac_update( &ctx, md5_hmac_test_buf[i],
+                               md5_hmac_test_buflen[i] );
+
+        md5_hmac_finish( &ctx, md5sum );
+
+        buflen = ( i == 4 ) ? 12 : 16;
+
+        if( memcmp( md5sum, md5_hmac_test_sum[i], buflen ) != 0 )
+        {
+            if( verbose != 0 )
+                polarssl_printf( "failed\n" );
+
+            return( 1 );
+        }
+
+        if( verbose != 0 )
+            polarssl_printf( "passed\n" );
+    }
+
+    if( verbose != 0 )
+        polarssl_printf( "\n" );
+
+    return( 0 );
+}
+
+#endif /* POLARSSL_SELF_TEST */
+
+#endif /* POLARSSL_MD5_C */
+
+