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mbedtls/tests/suites/test_suite_cmac.function

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Introduce a CMAC specific test suite
2016-10-05 13:13:31 +00:00
/* BEGIN_HEADER */
#include "mbedtls/cipher.h"
#include "mbedtls/cmac.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_CMAC_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void mbedtls_cmac_self_test( )
{
TEST_ASSERT( mbedtls_cmac_self_test( 1 ) == 0 );
}
/* END_CASE */
Extend test coverage of CMAC Expands tests to include NULL tests and successive calls to mbedtls_cipher_cmac_update() and mbedtls_cipher_cmac_reset().
2016-10-10 20:41:03 +00:00
/* BEGIN_CASE */
void mbedtls_cmac_null_args( )
{
mbedtls_cipher_context_t ctx;
const mbedtls_cipher_info_t *cipher_info;
unsigned char test_key[MBEDTLS_CIPHER_BLKSIZE_MAX];
unsigned char test_data[MBEDTLS_CIPHER_BLKSIZE_MAX];
unsigned char test_output[MBEDTLS_CIPHER_BLKSIZE_MAX];
mbedtls_cipher_init( &ctx );
/* Test NULL cipher info */
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, test_data, 16 ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
cipher_info = mbedtls_cipher_info_from_type( MBEDTLS_CIPHER_AES_128_ECB );
TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 );
TEST_ASSERT( mbedtls_cipher_cmac_starts( NULL, test_key, 128 ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx, NULL, 128 ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac_update( NULL, test_data, 16 ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, NULL, 16 ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac_finish( NULL, test_output ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, NULL ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac_reset( NULL ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac( NULL,
test_key, 128,
test_data, 16,
test_output ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac( cipher_info,
NULL, 128,
test_data, 16,
test_output ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac( cipher_info,
test_key, 128,
NULL, 16,
test_output ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_cipher_cmac( cipher_info,
test_key, 128,
test_data, 16,
NULL ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_aes_cmac_prf_128( NULL, 16,
test_data, 16,
test_output ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_aes_cmac_prf_128( test_key, 16,
NULL, 16,
test_output ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_aes_cmac_prf_128( test_key, 16,
test_data, 16,
NULL ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
}
/* END_CASE */
Introduce a CMAC specific test suite
2016-10-05 13:13:31 +00:00
/* BEGIN_CASE */
void mbedtls_cmac_setkey( int cipher_type, int key_size,
int result )
{
const mbedtls_cipher_info_t *cipher_info;
unsigned char key[32];
unsigned char buf[16];
unsigned char tmp[16];
memset( key, 0x2A, sizeof( key ) );
TEST_ASSERT( (unsigned) key_size <= 8 * sizeof( key ) );
TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) )
!= NULL );
Extend test coverage of CMAC Expands tests to include NULL tests and successive calls to mbedtls_cipher_cmac_update() and mbedtls_cipher_cmac_reset().
2016-10-10 20:41:03 +00:00
TEST_ASSERT( ( result == mbedtls_cipher_cmac( cipher_info, key, key_size,
buf, 16, tmp ) ) != 0 );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_cmac_multiple_blocks( int cipher_type,
char *key_string, int keybits,
int block_size,
char *block1_string, int block1_len,
char *block2_string, int block2_len,
char *block3_string, int block3_len,
char *block4_string, int block4_len,
char *expected_result_string )
{
unsigned char key[100];
unsigned char block1[100];
unsigned char block2[100];
unsigned char block3[100];
unsigned char block4[100];
unsigned char expected_result[100];
const mbedtls_cipher_info_t *cipher_info;
mbedtls_cipher_context_t ctx;
unsigned char output[MBEDTLS_CIPHER_BLKSIZE_MAX];
/* Convert the test parameters to binary data */
unhexify( key, key_string );
unhexify( block1, block1_string );
unhexify( block2, block2_string );
unhexify( block3, block3_string );
unhexify( block4, block4_string );
unhexify( expected_result, expected_result_string );
/* Validate the test inputs */
TEST_ASSERT( block1_len <= 100 );
TEST_ASSERT( block2_len <= 100 );
TEST_ASSERT( block3_len <= 100 );
TEST_ASSERT( block4_len <= 100 );
/* Set up */
TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) )
!= NULL );
mbedtls_cipher_init( &ctx );
TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 );
TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx,
(const unsigned char*)key,
keybits ) == 0 );
/* Multiple partial and complete blocks. A negative length means skip the
* update operation */
if( block1_len >= 0)
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block1,
block1_len ) == 0);
if( block2_len >= 0 )
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block2,
block2_len ) == 0);
if( block3_len >= 0 )
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block3,
block3_len ) == 0);
if( block4_len >= 0 )
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block4,
block4_len ) == 0);
TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 );
TEST_ASSERT( memcmp( output, expected_result, block_size ) == 0 );
mbedtls_cipher_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_cmac_multiple_operations_same_key( int cipher_type,
char *key_string, int keybits,
int block_size,
char *block_a1_string, int block_a1_len,
char *block_a2_string, int block_a2_len,
char *block_a3_string, int block_a3_len,
char *expected_result_a_string,
char *block_b1_string, int block_b1_len,
char *block_b2_string, int block_b2_len,
char *block_b3_string, int block_b3_len,
char *expected_result_b_string )
{
unsigned char key[100];
unsigned char block_a1[100];
unsigned char block_a2[100];
unsigned char block_a3[100];
unsigned char block_b1[100];
unsigned char block_b2[100];
unsigned char block_b3[100];
unsigned char expected_result_a[100], expected_result_b[100];
const mbedtls_cipher_info_t *cipher_info;
mbedtls_cipher_context_t ctx;
unsigned char output[MBEDTLS_CIPHER_BLKSIZE_MAX];
/* Convert the test parameters to binary data */
unhexify( key, key_string );
unhexify( block_a1, block_a1_string );
unhexify( block_a2, block_a2_string );
unhexify( block_a3, block_a3_string );
unhexify( block_b1, block_b1_string );
unhexify( block_b2, block_b2_string );
unhexify( block_b3, block_b3_string );
unhexify( expected_result_a, expected_result_a_string );
unhexify( expected_result_b, expected_result_b_string );
/* Validate the test inputs */
TEST_ASSERT( block_a1_len <= 100 );
TEST_ASSERT( block_a2_len <= 100 );
TEST_ASSERT( block_a3_len <= 100 );
TEST_ASSERT( block_b1_len <= 100 );
TEST_ASSERT( block_b2_len <= 100 );
TEST_ASSERT( block_b3_len <= 100 );
/* Set up */
TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) )
!= NULL );
mbedtls_cipher_init( &ctx );
TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 );
TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx,
(const unsigned char*)key,
keybits ) == 0 );
/* Sequence A */
/* Multiple partial and complete blocks. A negative length means skip the
* update operation */
if( block_a1_len >= 0)
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block_a1,
block_a1_len ) == 0);
if( block_a2_len >= 0 )
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block_a2,
block_a2_len ) == 0);
if( block_a3_len >= 0 )
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block_a3,
block_a3_len ) == 0);
TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 );
TEST_ASSERT( memcmp( output, expected_result_a, block_size ) == 0 );
TEST_ASSERT( mbedtls_cipher_cmac_reset( &ctx ) == 0 );
/* Sequence B */
/* Multiple partial and complete blocks. A negative length means skip the
* update operation */
if( block_b1_len >= 0)
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block_b1,
block_b1_len ) == 0);
if( block_b2_len >= 0 )
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block_b2,
block_b2_len ) == 0);
if( block_b3_len >= 0 )
TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
(unsigned char*)block_b3,
block_b3_len ) == 0);
TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 );
TEST_ASSERT( memcmp( output, expected_result_b, block_size ) == 0 );
mbedtls_cipher_free( &ctx );
Introduce a CMAC specific test suite
2016-10-05 13:13:31 +00:00
}
/* END_CASE */
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