More cleanup of CMAC selftests

This commit is contained in:
Brian Murray 2016-05-19 15:59:23 -07:00 committed by Simon Butcher
parent 3c0412a443
commit d666eb5c11

View File

@ -397,108 +397,23 @@ int mbedtls_aes_cmac_prf_128( const unsigned char *key, size_t key_length,
}
#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
#ifdef MBEDTLS_SELF_TEST
/*
* Examples 1 to 4 from SP800-38B corrected Appendix D.1
* CMAC test data from SP800-38B Appendix D.1 (corrected)
* http://csrc.nist.gov/publications/nistpubs/800-38B/Updated_CMAC_Examples.pdf
*
* AES-CMAC-PRF-128 test data from RFC 4615
* https://tools.ietf.org/html/rfc4615#page-4
*/
#define NB_CMAC_TESTS_AES_128 4
#define NB_CMAC_TESTS_AES_192 4
#define NB_CMAC_TESTS_AES_256 4
#define NB_CMAC_TESTS_3DES 4
#define NB_CMAC_TESTS_PER_KEY 4
#define NB_PRF_TESTS 3
#define AES_BLOCK_SIZE 16
#define DES3_BLOCK_SIZE 8
/* AES 128 Key */
static const unsigned char aes_128_key[] = {
0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c
};
/* AES 192 Key */
static const unsigned char aes_192_key[] = {
0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52,
0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5,
0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b
};
/* AES 256 Key */
static const unsigned char aes_256_key[] = {
0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4
};
/* 3DES 112 bit key */
static const unsigned char des3_2key_key[] = {
0x4c, 0xf1, 0x51, 0x34, 0xa2, 0x85, 0x0d, 0xd5,
0x8a, 0x3d, 0x10, 0xba, 0x80, 0x57, 0x0d, 0x38,
0x4c, 0xf1, 0x51, 0x34, 0xa2, 0x85, 0x0d, 0xd5
};
/* 3DES 168 bit key */
static const unsigned char des3_3key_key[] = {
0x8a, 0xa8, 0x3b, 0xf8, 0xcb, 0xda, 0x10, 0x62,
0x0b, 0xc1, 0xbf, 0x19, 0xfb, 0xb6, 0xcd, 0x58,
0xbc, 0x31, 0x3d, 0x4a, 0x37, 0x1c, 0xa8, 0xb5
};
static const unsigned char aes_128_subkeys[2][16] = {
{
0xfb, 0xee, 0xd6, 0x18, 0x35, 0x71, 0x33, 0x66,
0x7c, 0x85, 0xe0, 0x8f, 0x72, 0x36, 0xa8, 0xde
},
{
0xf7, 0xdd, 0xac, 0x30, 0x6a, 0xe2, 0x66, 0xcc,
0xf9, 0x0b, 0xc1, 0x1e, 0xe4, 0x6d, 0x51, 0x3b
}
};
static const unsigned char aes_192_subkeys[2][16] = {
{
0x44, 0x8a, 0x5b, 0x1c, 0x93, 0x51, 0x4b, 0x27,
0x3e, 0xe6, 0x43, 0x9d, 0xd4, 0xda, 0xa2, 0x96
},
{
0x89, 0x14, 0xb6, 0x39, 0x26, 0xa2, 0x96, 0x4e,
0x7d, 0xcc, 0x87, 0x3b, 0xa9, 0xb5, 0x45, 0x2c
}
};
static const unsigned char aes_256_subkeys[2][16] = {
{
0xca, 0xd1, 0xed, 0x03, 0x29, 0x9e, 0xed, 0xac,
0x2e, 0x9a, 0x99, 0x80, 0x86, 0x21, 0x50, 0x2f
},
{
0x95, 0xa3, 0xda, 0x06, 0x53, 0x3d, 0xdb, 0x58,
0x5d, 0x35, 0x33, 0x01, 0x0c, 0x42, 0xa0, 0xd9
}
};
static const unsigned char des3_2key_subkeys[2][8] = {
{
0x8e, 0xcf, 0x37, 0x3e, 0xd7, 0x1a, 0xfa, 0xef
},
{
0x1d, 0x9e, 0x6e, 0x7d, 0xae, 0x35, 0xf5, 0xc5
}
};
static const unsigned char des3_3key_subkeys[2][8] = {
{
0x91, 0x98, 0xe9, 0xd3, 0x14, 0xe6, 0x53, 0x5f
},
{
0x23, 0x31, 0xd3, 0xa6, 0x29, 0xcc, 0xa6, 0xa5
}
};
/* All Messages are truncated from the same 64 byte buffer. */
static const unsigned char M[] = {
#if defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C)
/* All CMAC test inputs are truncated from the same 64 byte buffer. */
static const unsigned char test_message[] = {
0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
@ -508,8 +423,33 @@ static const unsigned char M[] = {
0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10
};
#endif /* defined(MBEDTLS_AES_C) || defined(MBEDTLS_DES_C) */
static const unsigned char T_128[NB_CMAC_TESTS_3DES][16] = {
#ifdef MBEDTLS_AES_C
/* Truncation point of message for AES CMAC tests */
static const size_t aes_message_lengths[NB_CMAC_TESTS_PER_KEY] = {
0,
16,
40,
64
};
/* AES 128 CMAC Test Data */
static const unsigned char aes_128_key[] = {
0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c
};
static const unsigned char aes_128_subkeys[2][AES_BLOCK_SIZE] = {
{
0xfb, 0xee, 0xd6, 0x18, 0x35, 0x71, 0x33, 0x66,
0x7c, 0x85, 0xe0, 0x8f, 0x72, 0x36, 0xa8, 0xde
},
{
0xf7, 0xdd, 0xac, 0x30, 0x6a, 0xe2, 0x66, 0xcc,
0xf9, 0x0b, 0xc1, 0x1e, 0xe4, 0x6d, 0x51, 0x3b
}
};
static const unsigned char aes_128_expected_result[NB_CMAC_TESTS_PER_KEY][AES_BLOCK_SIZE] = {
{
0xbb, 0x1d, 0x69, 0x29, 0xe9, 0x59, 0x37, 0x28,
0x7f, 0xa3, 0x7d, 0x12, 0x9b, 0x75, 0x67, 0x46
@ -528,43 +468,23 @@ static const unsigned char T_128[NB_CMAC_TESTS_3DES][16] = {
}
};
/* Sizes in bytes */
static const size_t Mlen[NB_CMAC_TESTS_AES_192] = {
0,
16,
40,
64
/* AES 192 CMAC Test Data */
static const unsigned char aes_192_key[] = {
0x8e, 0x73, 0xb0, 0xf7, 0xda, 0x0e, 0x64, 0x52,
0xc8, 0x10, 0xf3, 0x2b, 0x80, 0x90, 0x79, 0xe5,
0x62, 0xf8, 0xea, 0xd2, 0x52, 0x2c, 0x6b, 0x7b
};
static const size_t Mlen_3des[NB_CMAC_TESTS_AES_192] = {
0,
8,
20,
32
};
static const unsigned char T_256[NB_CMAC_TESTS_AES_192][16] = {
static const unsigned char aes_192_subkeys[2][AES_BLOCK_SIZE] = {
{
0x02, 0x89, 0x62, 0xf6, 0x1b, 0x7b, 0xf8, 0x9e,
0xfc, 0x6b, 0x55, 0x1f, 0x46, 0x67, 0xd9, 0x83
0x44, 0x8a, 0x5b, 0x1c, 0x93, 0x51, 0x4b, 0x27,
0x3e, 0xe6, 0x43, 0x9d, 0xd4, 0xda, 0xa2, 0x96
},
{
0x28, 0xa7, 0x02, 0x3f, 0x45, 0x2e, 0x8f, 0x82,
0xbd, 0x4b, 0xf2, 0x8d, 0x8c, 0x37, 0xc3, 0x5c
},
{
0xaa, 0xf3, 0xd8, 0xf1, 0xde, 0x56, 0x40, 0xc2,
0x32, 0xf5, 0xb1, 0x69, 0xb9, 0xc9, 0x11, 0xe6
},
{
0xe1, 0x99, 0x21, 0x90, 0x54, 0x9f, 0x6e, 0xd5,
0x69, 0x6a, 0x2c, 0x05, 0x6c, 0x31, 0x54, 0x10
0x89, 0x14, 0xb6, 0x39, 0x26, 0xa2, 0x96, 0x4e,
0x7d, 0xcc, 0x87, 0x3b, 0xa9, 0xb5, 0x45, 0x2c
}
};
static const unsigned char T_192[NB_CMAC_TESTS_AES_192][16] = {
static const unsigned char aes_192_expected_result[NB_CMAC_TESTS_PER_KEY][AES_BLOCK_SIZE] = {
{
0xd1, 0x7d, 0xdf, 0x46, 0xad, 0xaa, 0xcd, 0xe5,
0x31, 0xca, 0xc4, 0x83, 0xde, 0x7a, 0x93, 0x67
@ -583,7 +503,67 @@ static const unsigned char T_192[NB_CMAC_TESTS_AES_192][16] = {
}
};
static const unsigned char T_3des_2key[4][8] = {
/* AES 256 CMAC Test Data */
static const unsigned char aes_256_key[] = {
0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe,
0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7,
0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4
};
static const unsigned char aes_256_subkeys[2][AES_BLOCK_SIZE] = {
{
0xca, 0xd1, 0xed, 0x03, 0x29, 0x9e, 0xed, 0xac,
0x2e, 0x9a, 0x99, 0x80, 0x86, 0x21, 0x50, 0x2f
},
{
0x95, 0xa3, 0xda, 0x06, 0x53, 0x3d, 0xdb, 0x58,
0x5d, 0x35, 0x33, 0x01, 0x0c, 0x42, 0xa0, 0xd9
}
};
static const unsigned char aes_256_expected_result[NB_CMAC_TESTS_PER_KEY][AES_BLOCK_SIZE] = {
{
0x02, 0x89, 0x62, 0xf6, 0x1b, 0x7b, 0xf8, 0x9e,
0xfc, 0x6b, 0x55, 0x1f, 0x46, 0x67, 0xd9, 0x83
},
{
0x28, 0xa7, 0x02, 0x3f, 0x45, 0x2e, 0x8f, 0x82,
0xbd, 0x4b, 0xf2, 0x8d, 0x8c, 0x37, 0xc3, 0x5c
},
{
0xaa, 0xf3, 0xd8, 0xf1, 0xde, 0x56, 0x40, 0xc2,
0x32, 0xf5, 0xb1, 0x69, 0xb9, 0xc9, 0x11, 0xe6
},
{
0xe1, 0x99, 0x21, 0x90, 0x54, 0x9f, 0x6e, 0xd5,
0x69, 0x6a, 0x2c, 0x05, 0x6c, 0x31, 0x54, 0x10
}
};
#endif /* MBEDTLS_AES_C */
#ifdef MBEDTLS_DES_C
/* Truncation point of message for 3DES CMAC tests */
static const size_t des3_message_lengths[NB_CMAC_TESTS_PER_KEY] = {
0,
8,
20,
32
};
/* 3DES 2 Key CMAC Test Data */
static const unsigned char des3_2key_key[] = {
0x4c, 0xf1, 0x51, 0x34, 0xa2, 0x85, 0x0d, 0xd5,
0x8a, 0x3d, 0x10, 0xba, 0x80, 0x57, 0x0d, 0x38,
0x4c, 0xf1, 0x51, 0x34, 0xa2, 0x85, 0x0d, 0xd5
};
static const unsigned char des3_2key_subkeys[2][8] = {
{
0x8e, 0xcf, 0x37, 0x3e, 0xd7, 0x1a, 0xfa, 0xef
},
{
0x1d, 0x9e, 0x6e, 0x7d, 0xae, 0x35, 0xf5, 0xc5
}
};
static const unsigned char T_3des_2key[NB_CMAC_TESTS_PER_KEY][DES3_BLOCK_SIZE] = {
{
0xbd, 0x2e, 0xbf, 0x9a, 0x3b, 0xa0, 0x03, 0x61
},
@ -598,7 +578,21 @@ static const unsigned char T_3des_2key[4][8] = {
}
};
static const unsigned char T_3des_3key[4][8] = {
/* 3DES 3 Key CMAC Test Data */
static const unsigned char des3_3key_key[] = {
0x8a, 0xa8, 0x3b, 0xf8, 0xcb, 0xda, 0x10, 0x62,
0x0b, 0xc1, 0xbf, 0x19, 0xfb, 0xb6, 0xcd, 0x58,
0xbc, 0x31, 0x3d, 0x4a, 0x37, 0x1c, 0xa8, 0xb5
};
static const unsigned char des3_3key_subkeys[2][8] = {
{
0x91, 0x98, 0xe9, 0xd3, 0x14, 0xe6, 0x53, 0x5f
},
{
0x23, 0x31, 0xd3, 0xa6, 0x29, 0xcc, 0xa6, 0xa5
}
};
static const unsigned char T_3des_3key[NB_CMAC_TESTS_PER_KEY][DES3_BLOCK_SIZE] = {
{
0xb7, 0xa6, 0x88, 0xe1, 0x22, 0xff, 0xaf, 0x95
},
@ -613,8 +607,10 @@ static const unsigned char T_3des_3key[4][8] = {
}
};
#endif /* MBEDTLS_DES_C */
/* PRF K */
#ifdef MBEDTLS_AES_C
/* AES AES-CMAC-PRF-128 Test Data */
static const unsigned char PRFK[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
@ -649,6 +645,7 @@ static const unsigned char PRFT[NB_PRF_TESTS][16] = {
0x14, 0x1f, 0xcf, 0x64, 0xc0, 0xb7, 0x2f, 0x3d
}
};
#endif /* MBEDTLS_AES_C */
int test_cmac_with_cipher(int verbose,
const unsigned char* testname,
@ -716,94 +713,104 @@ int test_cmac_with_cipher(int verbose,
return( ret );
}
int mbedtls_cmac_self_test( int verbose )
{
mbedtls_cmac_context ctx;
unsigned char tag[16];
#ifdef MBEDTLS_AES_C
int test_aes128_cmac_prf( verbose ) {
int i;
int ret;
test_cmac_with_cipher(verbose,
"AES 128",
aes_128_key,
128,
M,
Mlen,
aes_128_subkeys,
T_128,
MBEDTLS_CIPHER_ID_AES,
16 );
test_cmac_with_cipher(verbose,
"AES 192",
aes_192_key,
192,
M,
Mlen,
aes_192_subkeys,
T_192,
MBEDTLS_CIPHER_ID_AES,
16 );
test_cmac_with_cipher(verbose,
"AES 256",
aes_256_key,
256,
M,
Mlen,
aes_256_subkeys,
T_256,
MBEDTLS_CIPHER_ID_AES,
16 );
test_cmac_with_cipher(verbose,
"3DES 2 key",
des3_2key_key,
192,
M,
Mlen_3des,
des3_2key_subkeys,
T_3des_2key,
MBEDTLS_CIPHER_ID_3DES,
8 );
test_cmac_with_cipher(verbose,
"3DES 3 key",
des3_3key_key,
192,
M,
Mlen_3des,
des3_3key_subkeys,
T_3des_3key,
MBEDTLS_CIPHER_ID_3DES,
8 );
unsigned char tag[16];
for( i = 0; i < NB_PRF_TESTS; i++ )
{
mbedtls_printf( " AES-CMAC-128-PRF #%u: ", i );
mbedtls_aes_cmac_prf_128( PRFK, PRFKlen[i], PRFM, 20, tag );
mbedtls_printf( " AES CMAC 128 PRF #%u: ", i );
ret = mbedtls_aes_cmac_prf_128( PRFK, PRFKlen[i], PRFM, 20, tag );
if( ret != 0 ||
memcmp( tag, PRFT[i], 16 ) != 0 )
{
if( verbose != 0 )
mbedtls_printf( "failed\n" );
return( 1 );
return( ret );
} else if( verbose != 0 )
{
mbedtls_printf( "passed\n" );
}
}
return( ret );
}
#endif /* MBEDTLS_AES_C */
int mbedtls_cmac_self_test( int verbose )
{
int ret;
#ifdef MBEDTLS_AES_C
test_cmac_with_cipher(verbose,
"AES 128",
aes_128_key,
128,
test_message,
aes_message_lengths,
aes_128_subkeys,
aes_128_expected_result,
MBEDTLS_CIPHER_ID_AES,
AES_BLOCK_SIZE );
test_cmac_with_cipher(verbose,
"AES 192",
aes_192_key,
192,
test_message,
aes_message_lengths,
aes_192_subkeys,
aes_192_expected_result,
MBEDTLS_CIPHER_ID_AES,
AES_BLOCK_SIZE );
test_cmac_with_cipher(verbose,
"AES 256",
aes_256_key,
256,
test_message,
aes_message_lengths,
aes_256_subkeys,
aes_256_expected_result,
MBEDTLS_CIPHER_ID_AES,
AES_BLOCK_SIZE );
#endif /* MBEDTLS_AES_C */
#ifdef MBEDTLS_DES_C
test_cmac_with_cipher(verbose,
"3DES 2 key",
des3_2key_key,
192,
test_message,
des3_message_lengths,
des3_2key_subkeys,
T_3des_2key,
MBEDTLS_CIPHER_ID_3DES,
DES3_BLOCK_SIZE );
test_cmac_with_cipher(verbose,
"3DES 3 key",
des3_3key_key,
192,
test_message,
des3_message_lengths,
des3_3key_subkeys,
T_3des_3key,
MBEDTLS_CIPHER_ID_3DES,
DES3_BLOCK_SIZE );
#endif /* MBEDTLS_DES_C */
#ifdef MBEDTLS_AES_C
test_aes128_cmac_prf( verbose );
#endif /* MBEDTLS_AES_C */
if( verbose != 0 )
mbedtls_printf( "\n" );
*/
return( 0 );
}
#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
#endif /* MBEDTLS_SELF_TEST */
#endif /* MBEDTLS_CMAC_C */