| /* 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_CMAC_MAX_BLOCK_SIZE]; |
| unsigned char test_data[MBEDTLS_CMAC_MAX_BLOCK_SIZE]; |
| unsigned char test_output[MBEDTLS_CMAC_MAX_BLOCK_SIZE]; |
| |
| 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); |
| #if defined(MBEDTLS_AES_C) |
| 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); |
| #endif |
| 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); |
| #if !defined(MBEDTLS_DEPRECATED_REMOVED) |
| TEST_LE_U(mbedtls_cipher_info_get_block_size(cipher_info), |
| MBEDTLS_CIPHER_BLKSIZE_MAX); |
| #endif /* MBEDTLS_DEPRECATED_REMOVED */ |
| TEST_LE_U(mbedtls_cipher_info_get_block_size(cipher_info), |
| MBEDTLS_CMAC_MAX_BLOCK_SIZE); |
| |
| 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_CMAC_MAX_BLOCK_SIZE]; |
| |
| /* 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_CMAC_MAX_BLOCK_SIZE]; |
| |
| /* 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 */ |
