2020-12-28 15:15:37 +00:00
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/* BEGIN_HEADER */
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#include "mbedtls/cipher.h"
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#include "mbedtls/cmac.h"
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_CMAC_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
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2021-03-06 01:41:47 +01:00
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void mbedtls_cmac_self_test( )
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2020-12-28 15:15:37 +00:00
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{
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TEST_ASSERT( mbedtls_cmac_self_test( 1 ) == 0 );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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2021-03-06 01:41:47 +01:00
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void mbedtls_cmac_null_args( )
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2020-12-28 15:15:37 +00:00
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{
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mbedtls_cipher_context_t ctx;
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const mbedtls_cipher_info_t *cipher_info;
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unsigned char test_key[MBEDTLS_CIPHER_BLKSIZE_MAX];
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unsigned char test_data[MBEDTLS_CIPHER_BLKSIZE_MAX];
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unsigned char test_output[MBEDTLS_CIPHER_BLKSIZE_MAX];
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mbedtls_cipher_init( &ctx );
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/* Test NULL cipher info */
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, test_data, 16 ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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cipher_info = mbedtls_cipher_info_from_type( MBEDTLS_CIPHER_AES_128_ECB );
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TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 );
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TEST_ASSERT( mbedtls_cipher_cmac_starts( NULL, test_key, 128 ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx, NULL, 128 ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac_update( NULL, test_data, 16 ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx, NULL, 16 ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac_finish( NULL, test_output ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, NULL ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac_reset( NULL ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac( NULL,
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test_key, 128,
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test_data, 16,
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test_output ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac( cipher_info,
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NULL, 128,
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test_data, 16,
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test_output ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac( cipher_info,
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test_key, 128,
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NULL, 16,
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test_output ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_cipher_cmac( cipher_info,
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test_key, 128,
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test_data, 16,
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NULL ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_aes_cmac_prf_128( NULL, 16,
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test_data, 16,
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test_output ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_aes_cmac_prf_128( test_key, 16,
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NULL, 16,
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test_output ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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TEST_ASSERT( mbedtls_aes_cmac_prf_128( test_key, 16,
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test_data, 16,
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NULL ) ==
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MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
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exit:
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mbedtls_cipher_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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2021-03-06 01:41:47 +01:00
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void mbedtls_cmac_setkey( int cipher_type, int key_size, int result )
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2020-12-28 15:15:37 +00:00
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{
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const mbedtls_cipher_info_t *cipher_info;
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unsigned char key[32];
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unsigned char buf[16];
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unsigned char tmp[16];
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memset( key, 0x2A, sizeof( key ) );
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TEST_ASSERT( (unsigned) key_size <= 8 * sizeof( key ) );
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TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) )
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!= NULL );
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memset( buf, 0x2A, sizeof( buf ) );
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TEST_ASSERT( ( result == mbedtls_cipher_cmac( cipher_info, key, key_size,
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buf, 16, tmp ) ) != 0 );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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2021-03-06 01:41:47 +01:00
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void mbedtls_cmac_multiple_blocks( int cipher_type, data_t * key,
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int keybits, int block_size,
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data_t * block1, int block1_len,
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data_t * block2, int block2_len,
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data_t * block3, int block3_len,
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data_t * block4, int block4_len,
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data_t * expected_result )
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2020-12-28 15:15:37 +00:00
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{
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const mbedtls_cipher_info_t *cipher_info;
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mbedtls_cipher_context_t ctx;
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unsigned char output[MBEDTLS_CIPHER_BLKSIZE_MAX];
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/* Convert the test parameters to binary data */
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mbedtls_cipher_init( &ctx );
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/* Validate the test inputs */
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TEST_ASSERT( block1_len <= 100 );
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TEST_ASSERT( block2_len <= 100 );
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TEST_ASSERT( block3_len <= 100 );
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TEST_ASSERT( block4_len <= 100 );
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/* Set up */
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TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) )
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!= NULL );
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TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 );
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TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx,
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(const unsigned char*)key->x,
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2020-12-28 15:15:37 +00:00
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keybits ) == 0 );
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/* Multiple partial and complete blocks. A negative length means skip the
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* update operation */
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if( block1_len >= 0)
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block1->x,
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block1_len ) == 0);
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if( block2_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block2->x,
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block2_len ) == 0);
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if( block3_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block3->x,
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block3_len ) == 0);
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if( block4_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block4->x,
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block4_len ) == 0);
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TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 );
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TEST_ASSERT( memcmp( output, expected_result->x, block_size ) == 0 );
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exit:
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mbedtls_cipher_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void mbedtls_cmac_multiple_operations_same_key( int cipher_type,
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2021-03-06 01:41:47 +01:00
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data_t * key, int keybits,
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int block_size,
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data_t * block_a1,
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int block_a1_len,
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data_t * block_a2,
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int block_a2_len,
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data_t * block_a3,
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int block_a3_len,
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data_t * expected_result_a,
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data_t * block_b1,
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int block_b1_len,
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data_t * block_b2,
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int block_b2_len,
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data_t * block_b3,
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int block_b3_len,
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data_t * expected_result_b
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)
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2020-12-28 15:15:37 +00:00
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{
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const mbedtls_cipher_info_t *cipher_info;
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mbedtls_cipher_context_t ctx;
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unsigned char output[MBEDTLS_CIPHER_BLKSIZE_MAX];
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/* Convert the test parameters to binary data */
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mbedtls_cipher_init( &ctx );
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/* Validate the test inputs */
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TEST_ASSERT( block_a1_len <= 100 );
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TEST_ASSERT( block_a2_len <= 100 );
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TEST_ASSERT( block_a3_len <= 100 );
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TEST_ASSERT( block_b1_len <= 100 );
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TEST_ASSERT( block_b2_len <= 100 );
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TEST_ASSERT( block_b3_len <= 100 );
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/* Set up */
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TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) )
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!= NULL );
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TEST_ASSERT( mbedtls_cipher_setup( &ctx, cipher_info ) == 0 );
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TEST_ASSERT( mbedtls_cipher_cmac_starts( &ctx,
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(const unsigned char*)key->x,
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keybits ) == 0 );
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/* Sequence A */
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/* Multiple partial and complete blocks. A negative length means skip the
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* update operation */
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if( block_a1_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block_a1->x,
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block_a1_len ) == 0);
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if( block_a2_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block_a2->x,
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block_a2_len ) == 0);
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if( block_a3_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block_a3->x,
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block_a3_len ) == 0);
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TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 );
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TEST_ASSERT( memcmp( output, expected_result_a->x, block_size ) == 0 );
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TEST_ASSERT( mbedtls_cipher_cmac_reset( &ctx ) == 0 );
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/* Sequence B */
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/* Multiple partial and complete blocks. A negative length means skip the
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* update operation */
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if( block_b1_len >= 0)
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block_b1->x,
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block_b1_len ) == 0);
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if( block_b2_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block_b2->x,
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block_b2_len ) == 0);
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if( block_b3_len >= 0 )
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TEST_ASSERT( mbedtls_cipher_cmac_update( &ctx,
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(unsigned char*)block_b3->x,
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block_b3_len ) == 0);
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TEST_ASSERT( mbedtls_cipher_cmac_finish( &ctx, output ) == 0 );
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TEST_ASSERT( memcmp( output, expected_result_b->x, block_size ) == 0 );
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exit:
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mbedtls_cipher_free( &ctx );
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}
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/* END_CASE */
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