| /* BEGIN_HEADER */ |
| #include "mbedtls/gcm.h" |
| /* END_HEADER */ |
| |
| /* BEGIN_DEPENDENCIES |
| * depends_on:MBEDTLS_GCM_C |
| * END_DEPENDENCIES |
| */ |
| |
| /* BEGIN_CASE */ |
| void gcm_bad_parameters( int cipher_id, int direction, |
| data_t *key_str, data_t *src_str, |
| data_t *iv_str, data_t *add_str, |
| int tag_len_bits, int gcm_result ) |
| { |
| unsigned char output[128]; |
| unsigned char tag_output[16]; |
| mbedtls_gcm_context ctx; |
| size_t tag_len = tag_len_bits / 8; |
| |
| mbedtls_gcm_init( &ctx ); |
| |
| memset( output, 0x00, sizeof( output ) ); |
| memset( tag_output, 0x00, sizeof( tag_output ) ); |
| |
| TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == 0 ); |
| TEST_ASSERT( mbedtls_gcm_crypt_and_tag( &ctx, direction, src_str->len, iv_str->x, iv_str->len, |
| add_str->x, add_str->len, src_str->x, output, tag_len, tag_output ) == gcm_result ); |
| |
| exit: |
| mbedtls_gcm_free( &ctx ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void gcm_encrypt_and_tag( int cipher_id, data_t * key_str, |
| data_t * src_str, data_t * iv_str, |
| data_t * add_str, data_t * dst, |
| int tag_len_bits, data_t * tag, |
| int init_result ) |
| { |
| unsigned char output[128]; |
| unsigned char tag_output[16]; |
| mbedtls_gcm_context ctx; |
| size_t tag_len = tag_len_bits / 8; |
| |
| mbedtls_gcm_init( &ctx ); |
| |
| memset(output, 0x00, 128); |
| memset(tag_output, 0x00, 16); |
| |
| |
| TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == init_result ); |
| if( init_result == 0 ) |
| { |
| TEST_ASSERT( mbedtls_gcm_crypt_and_tag( &ctx, MBEDTLS_GCM_ENCRYPT, src_str->len, iv_str->x, iv_str->len, add_str->x, add_str->len, src_str->x, output, tag_len, tag_output ) == 0 ); |
| |
| TEST_ASSERT( mbedtls_test_hexcmp( output, dst->x, |
| src_str->len, dst->len ) == 0 ); |
| TEST_ASSERT( mbedtls_test_hexcmp( tag_output, tag->x, |
| tag_len, tag->len ) == 0 ); |
| } |
| |
| exit: |
| mbedtls_gcm_free( &ctx ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void gcm_decrypt_and_verify( int cipher_id, data_t * key_str, |
| data_t * src_str, data_t * iv_str, |
| data_t * add_str, int tag_len_bits, |
| data_t * tag_str, char * result, |
| data_t * pt_result, int init_result ) |
| { |
| unsigned char output[128]; |
| mbedtls_gcm_context ctx; |
| int ret; |
| size_t tag_len = tag_len_bits / 8; |
| |
| mbedtls_gcm_init( &ctx ); |
| |
| memset(output, 0x00, 128); |
| |
| |
| TEST_ASSERT( mbedtls_gcm_setkey( &ctx, cipher_id, key_str->x, key_str->len * 8 ) == init_result ); |
| if( init_result == 0 ) |
| { |
| ret = mbedtls_gcm_auth_decrypt( &ctx, src_str->len, iv_str->x, iv_str->len, add_str->x, add_str->len, tag_str->x, tag_len, src_str->x, output ); |
| |
| if( strcmp( "FAIL", result ) == 0 ) |
| { |
| TEST_ASSERT( ret == MBEDTLS_ERR_GCM_AUTH_FAILED ); |
| } |
| else |
| { |
| TEST_ASSERT( ret == 0 ); |
| |
| TEST_ASSERT( mbedtls_test_hexcmp( output, pt_result->x, |
| src_str->len, |
| pt_result->len ) == 0 ); |
| } |
| } |
| |
| exit: |
| mbedtls_gcm_free( &ctx ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */ |
| void gcm_invalid_param( ) |
| { |
| mbedtls_gcm_context ctx; |
| unsigned char valid_buffer[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }; |
| mbedtls_cipher_id_t valid_cipher = MBEDTLS_CIPHER_ID_AES; |
| int valid_mode = MBEDTLS_GCM_ENCRYPT; |
| int valid_len = sizeof(valid_buffer); |
| int valid_bitlen = 128, invalid_bitlen = 1; |
| |
| mbedtls_gcm_init( &ctx ); |
| |
| /* mbedtls_gcm_init() */ |
| TEST_INVALID_PARAM( mbedtls_gcm_init( NULL ) ); |
| |
| /* mbedtls_gcm_setkey */ |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_setkey( NULL, valid_cipher, valid_buffer, valid_bitlen ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_setkey( &ctx, valid_cipher, NULL, valid_bitlen ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_setkey( &ctx, valid_cipher, valid_buffer, invalid_bitlen ) ); |
| |
| /* mbedtls_gcm_crypt_and_tag() */ |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_crypt_and_tag( NULL, valid_mode, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_buffer, |
| valid_len, valid_buffer ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len, |
| NULL, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_buffer, |
| valid_len, valid_buffer ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len, |
| valid_buffer, valid_len, |
| NULL, valid_len, |
| valid_buffer, valid_buffer, |
| valid_len, valid_buffer ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| NULL, valid_buffer, |
| valid_len, valid_buffer ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, NULL, |
| valid_len, valid_buffer ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_crypt_and_tag( &ctx, valid_mode, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_buffer, |
| valid_len, NULL ) ); |
| |
| /* mbedtls_gcm_auth_decrypt() */ |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_auth_decrypt( NULL, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_buffer) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_auth_decrypt( &ctx, valid_len, |
| NULL, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_buffer) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_auth_decrypt( &ctx, valid_len, |
| valid_buffer, valid_len, |
| NULL, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_buffer) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_auth_decrypt( &ctx, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| NULL, valid_len, |
| valid_buffer, valid_buffer) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_auth_decrypt( &ctx, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| NULL, valid_buffer) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_auth_decrypt( &ctx, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len, |
| valid_buffer, NULL) ); |
| |
| /* mbedtls_gcm_starts() */ |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_starts( NULL, valid_mode, |
| valid_buffer, valid_len, |
| valid_buffer, valid_len ) ); |
| |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_starts( &ctx, valid_mode, |
| NULL, valid_len, |
| valid_buffer, valid_len ) ); |
| |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_starts( &ctx, valid_mode, |
| valid_buffer, valid_len, |
| NULL, valid_len ) ); |
| |
| /* mbedtls_gcm_update() */ |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_update( NULL, valid_len, |
| valid_buffer, valid_buffer ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_update( &ctx, valid_len, |
| NULL, valid_buffer ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_update( &ctx, valid_len, |
| valid_buffer, NULL ) ); |
| |
| /* mbedtls_gcm_finish() */ |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_finish( NULL, valid_buffer, valid_len ) ); |
| TEST_INVALID_PARAM_RET( |
| MBEDTLS_ERR_GCM_BAD_INPUT, |
| mbedtls_gcm_finish( &ctx, NULL, valid_len ) ); |
| |
| exit: |
| mbedtls_gcm_free( &ctx ); |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE */ |
| void gcm_valid_param( ) |
| { |
| TEST_VALID_PARAM( mbedtls_gcm_free( NULL ) ); |
| exit: |
| return; |
| } |
| /* END_CASE */ |
| |
| /* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */ |
| void gcm_selftest( ) |
| { |
| TEST_ASSERT( mbedtls_gcm_self_test( 1 ) == 0 ); |
| } |
| /* END_CASE */ |
