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Remove specific xxx_hmac functions

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This commit is contained in:
Manuel Pégourié-Gonnard
2015-03-24 18:23:20 +01:00
parent 003b3b132e
commit 4da88c50c1
15 changed files with 4 additions and 1536 deletions
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237
library/sha256.c
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@ -394,91 +394,6 @@ int sha256_file( const char *path, unsigned char output[32], int is224 )
}
#endif /* POLARSSL_FS_IO */
/*
* SHA-256 HMAC context setup
*/
void sha256_hmac_starts( sha256_context *ctx, const unsigned char *key,
size_t keylen, int is224 )
{
size_t i;
unsigned char sum[32];
if( keylen > 64 )
{
sha256( key, keylen, sum, is224 );
keylen = ( is224 ) ? 28 : 32;
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] );
}
sha256_starts( ctx, is224 );
sha256_update( ctx, ctx->ipad, 64 );
polarssl_zeroize( sum, sizeof( sum ) );
}
/*
* SHA-256 HMAC process buffer
*/
void sha256_hmac_update( sha256_context *ctx, const unsigned char *input,
size_t ilen )
{
sha256_update( ctx, input, ilen );
}
/*
* SHA-256 HMAC final digest
*/
void sha256_hmac_finish( sha256_context *ctx, unsigned char output[32] )
{
int is224, hlen;
unsigned char tmpbuf[32];
is224 = ctx->is224;
hlen = ( is224 == 0 ) ? 32 : 28;
sha256_finish( ctx, tmpbuf );
sha256_starts( ctx, is224 );
sha256_update( ctx, ctx->opad, 64 );
sha256_update( ctx, tmpbuf, hlen );
sha256_finish( ctx, output );
polarssl_zeroize( tmpbuf, sizeof( tmpbuf ) );
}
/*
* SHA-256 HMAC context reset
*/
void sha256_hmac_reset( sha256_context *ctx )
{
sha256_starts( ctx, ctx->is224 );
sha256_update( ctx, ctx->ipad, 64 );
}
/*
* output = HMAC-SHA-256( hmac key, input buffer )
*/
void sha256_hmac( const unsigned char *key, size_t keylen,
const unsigned char *input, size_t ilen,
unsigned char output[32], int is224 )
{
sha256_context ctx;
sha256_init( &ctx );
sha256_hmac_starts( &ctx, key, keylen, is224 );
sha256_hmac_update( &ctx, input, ilen );
sha256_hmac_finish( &ctx, output );
sha256_free( &ctx );
}
#if defined(POLARSSL_SELF_TEST)
/*
* FIPS-180-2 test vectors
@ -530,118 +445,6 @@ static const unsigned char sha256_test_sum[6][32] =
0x04, 0x6D, 0x39, 0xCC, 0xC7, 0x11, 0x2C, 0xD0 }
};
/*
* RFC 4231 test vectors
*/
static const unsigned char sha256_hmac_test_key[7][26] =
{
{ "\x0B\x0B\x0B\x0B\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"
"\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"
"\x0C\x0C\x0C\x0C" },
{ "" }, /* 0xAA 131 times */
{ "" }
};
static const int sha256_hmac_test_keylen[7] =
{
20, 4, 20, 25, 20, 131, 131
};
static const unsigned char sha256_hmac_test_buf[7][153] =
{
{ "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" },
{ "This is a test using a larger than block-size key "
"and a larger than block-size data. The key needs to "
"be hashed before being used by the HMAC algorithm." }
};
static const int sha256_hmac_test_buflen[7] =
{
8, 28, 50, 50, 20, 54, 152
};
static const unsigned char sha256_hmac_test_sum[14][32] =
{
/*
* HMAC-SHA-224 test vectors
*/
{ 0x89, 0x6F, 0xB1, 0x12, 0x8A, 0xBB, 0xDF, 0x19,
0x68, 0x32, 0x10, 0x7C, 0xD4, 0x9D, 0xF3, 0x3F,
0x47, 0xB4, 0xB1, 0x16, 0x99, 0x12, 0xBA, 0x4F,
0x53, 0x68, 0x4B, 0x22 },
{ 0xA3, 0x0E, 0x01, 0x09, 0x8B, 0xC6, 0xDB, 0xBF,
0x45, 0x69, 0x0F, 0x3A, 0x7E, 0x9E, 0x6D, 0x0F,
0x8B, 0xBE, 0xA2, 0xA3, 0x9E, 0x61, 0x48, 0x00,
0x8F, 0xD0, 0x5E, 0x44 },
{ 0x7F, 0xB3, 0xCB, 0x35, 0x88, 0xC6, 0xC1, 0xF6,
0xFF, 0xA9, 0x69, 0x4D, 0x7D, 0x6A, 0xD2, 0x64,
0x93, 0x65, 0xB0, 0xC1, 0xF6, 0x5D, 0x69, 0xD1,
0xEC, 0x83, 0x33, 0xEA },
{ 0x6C, 0x11, 0x50, 0x68, 0x74, 0x01, 0x3C, 0xAC,
0x6A, 0x2A, 0xBC, 0x1B, 0xB3, 0x82, 0x62, 0x7C,
0xEC, 0x6A, 0x90, 0xD8, 0x6E, 0xFC, 0x01, 0x2D,
0xE7, 0xAF, 0xEC, 0x5A },
{ 0x0E, 0x2A, 0xEA, 0x68, 0xA9, 0x0C, 0x8D, 0x37,
0xC9, 0x88, 0xBC, 0xDB, 0x9F, 0xCA, 0x6F, 0xA8 },
{ 0x95, 0xE9, 0xA0, 0xDB, 0x96, 0x20, 0x95, 0xAD,
0xAE, 0xBE, 0x9B, 0x2D, 0x6F, 0x0D, 0xBC, 0xE2,
0xD4, 0x99, 0xF1, 0x12, 0xF2, 0xD2, 0xB7, 0x27,
0x3F, 0xA6, 0x87, 0x0E },
{ 0x3A, 0x85, 0x41, 0x66, 0xAC, 0x5D, 0x9F, 0x02,
0x3F, 0x54, 0xD5, 0x17, 0xD0, 0xB3, 0x9D, 0xBD,
0x94, 0x67, 0x70, 0xDB, 0x9C, 0x2B, 0x95, 0xC9,
0xF6, 0xF5, 0x65, 0xD1 },
/*
* HMAC-SHA-256 test vectors
*/
{ 0xB0, 0x34, 0x4C, 0x61, 0xD8, 0xDB, 0x38, 0x53,
0x5C, 0xA8, 0xAF, 0xCE, 0xAF, 0x0B, 0xF1, 0x2B,
0x88, 0x1D, 0xC2, 0x00, 0xC9, 0x83, 0x3D, 0xA7,
0x26, 0xE9, 0x37, 0x6C, 0x2E, 0x32, 0xCF, 0xF7 },
{ 0x5B, 0xDC, 0xC1, 0x46, 0xBF, 0x60, 0x75, 0x4E,
0x6A, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xC7,
0x5A, 0x00, 0x3F, 0x08, 0x9D, 0x27, 0x39, 0x83,
0x9D, 0xEC, 0x58, 0xB9, 0x64, 0xEC, 0x38, 0x43 },
{ 0x77, 0x3E, 0xA9, 0x1E, 0x36, 0x80, 0x0E, 0x46,
0x85, 0x4D, 0xB8, 0xEB, 0xD0, 0x91, 0x81, 0xA7,
0x29, 0x59, 0x09, 0x8B, 0x3E, 0xF8, 0xC1, 0x22,
0xD9, 0x63, 0x55, 0x14, 0xCE, 0xD5, 0x65, 0xFE },
{ 0x82, 0x55, 0x8A, 0x38, 0x9A, 0x44, 0x3C, 0x0E,
0xA4, 0xCC, 0x81, 0x98, 0x99, 0xF2, 0x08, 0x3A,
0x85, 0xF0, 0xFA, 0xA3, 0xE5, 0x78, 0xF8, 0x07,
0x7A, 0x2E, 0x3F, 0xF4, 0x67, 0x29, 0x66, 0x5B },
{ 0xA3, 0xB6, 0x16, 0x74, 0x73, 0x10, 0x0E, 0xE0,
0x6E, 0x0C, 0x79, 0x6C, 0x29, 0x55, 0x55, 0x2B },
{ 0x60, 0xE4, 0x31, 0x59, 0x1E, 0xE0, 0xB6, 0x7F,
0x0D, 0x8A, 0x26, 0xAA, 0xCB, 0xF5, 0xB7, 0x7F,
0x8E, 0x0B, 0xC6, 0x21, 0x37, 0x28, 0xC5, 0x14,
0x05, 0x46, 0x04, 0x0F, 0x0E, 0xE3, 0x7F, 0x54 },
{ 0x9B, 0x09, 0xFF, 0xA7, 0x1B, 0x94, 0x2F, 0xCB,
0x27, 0x63, 0x5F, 0xBC, 0xD5, 0xB0, 0xE9, 0x44,
0xBF, 0xDC, 0x63, 0x64, 0x4F, 0x07, 0x13, 0x93,
0x8A, 0x7F, 0x51, 0x53, 0x5C, 0x3A, 0x35, 0xE2 }
};
/*
* Checkup routine
*/
@ -693,46 +496,6 @@ int sha256_self_test( int verbose )
if( verbose != 0 )
polarssl_printf( "\n" );
for( i = 0; i < 14; i++ )
{
j = i % 7;
k = i < 7;
if( verbose != 0 )
polarssl_printf( " HMAC-SHA-%d test #%d: ", 256 - k * 32, j + 1 );
if( j == 5 || j == 6 )
{
memset( buf, 0xAA, buflen = 131 );
sha256_hmac_starts( &ctx, buf, buflen, k );
}
else
sha256_hmac_starts( &ctx, sha256_hmac_test_key[j],
sha256_hmac_test_keylen[j], k );
sha256_hmac_update( &ctx, sha256_hmac_test_buf[j],
sha256_hmac_test_buflen[j] );
sha256_hmac_finish( &ctx, sha256sum );
buflen = ( j == 4 ) ? 16 : 32 - k * 4;
if( memcmp( sha256sum, sha256_hmac_test_sum[i], buflen ) != 0 )
{
if( verbose != 0 )
polarssl_printf( "failed\n" );
ret = 1;
goto exit;
}
if( verbose != 0 )
polarssl_printf( "passed\n" );
}
if( verbose != 0 )
polarssl_printf( "\n" );
exit:
sha256_free( &ctx );