| /* 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 */ |
| |
| /* 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 ); |
| |
| exit: |
| mbedtls_cipher_free( &ctx ); |
| } |
| /* END_CASE */ |
| |
| /* 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 ); |
| |
| memset( buf, 0x2A, sizeof( buf ) ); |
| 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, data_t * key, |
| int keybits, int block_size, |
| data_t * block1, int block1_len, |
| data_t * block2, int block2_len, |
| data_t * block3, int block3_len, |
| data_t * block4, int block4_len, |
| data_t * expected_result ) |
| { |
| 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 */ |
| |
| mbedtls_cipher_init( &ctx ); |
| |
| /* 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 ); |
| |
| TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 ); |
| |
| TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx, |
| (const unsigned char*)key->x, |
| 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->x, |
| block1_len ) == 0); |
| |
| if( block2_len >= 0 ) |
| TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, |
| (unsigned char*)block2->x, |
| block2_len ) == 0); |
| |
| if( block3_len >= 0 ) |
| TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, |
| (unsigned char*)block3->x, |
| block3_len ) == 0); |
| |
| if( block4_len >= 0 ) |
| TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, |
| (unsigned char*)block4->x, |
| block4_len ) == 0); |
| |
| TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 ); |
| |
| TEST_ASSERT( memcmp( output, expected_result->x, block_size ) == 0 ); |
| |
| exit: |
| mbedtls_cipher_free( &ctx ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void mbedtls_cmac_multiple_operations_same_key( int cipher_type, |
| data_t * key, int keybits, |
| int block_size, |
| data_t * block_a1, |
| int block_a1_len, |
| data_t * block_a2, |
| int block_a2_len, |
| data_t * block_a3, |
| int block_a3_len, |
| data_t * expected_result_a, |
| data_t * block_b1, |
| int block_b1_len, |
| data_t * block_b2, |
| int block_b2_len, |
| data_t * block_b3, |
| int block_b3_len, |
| data_t * expected_result_b |
| ) |
| { |
| 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 */ |
| |
| |
| |
| mbedtls_cipher_init( &ctx ); |
| |
| /* 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 ); |
| |
| TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 ); |
| |
| TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx, |
| (const unsigned char*)key->x, |
| 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->x, |
| block_a1_len ) == 0); |
| |
| if( block_a2_len >= 0 ) |
| TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, |
| (unsigned char*)block_a2->x, |
| block_a2_len ) == 0); |
| |
| if( block_a3_len >= 0 ) |
| TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, |
| (unsigned char*)block_a3->x, |
| block_a3_len ) == 0); |
| |
| TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 ); |
| |
| TEST_ASSERT( memcmp( output, expected_result_a->x, 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->x, |
| block_b1_len ) == 0); |
| |
| if( block_b2_len >= 0 ) |
| TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, |
| (unsigned char*)block_b2->x, |
| block_b2_len ) == 0); |
| |
| if( block_b3_len >= 0 ) |
| TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, |
| (unsigned char*)block_b3->x, |
| block_b3_len ) == 0); |
| |
| TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 ); |
| |
| TEST_ASSERT( memcmp( output, expected_result_b->x, block_size ) == 0 ); |
| |
| exit: |
| mbedtls_cipher_free( &ctx ); |
| } |
| /* END_CASE */ |
| |