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Add Cipher layer corner case test coverage

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This commit is contained in:
Paul Bakker 2016-07-14 13:46:10 +01:00 committed by Simon Butcher
parent 185ccf7070
commit 6a9c725652
2 changed files with 41 additions and 0 deletions
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3
tests/suites/test_suite_cipher.aes.data
View File

@ -1097,3 +1097,6 @@ test_vec_ecb:MBEDTLS_CIPHER_AES_256_ECB:MBEDTLS_DECRYPT:"00000000000000000000000
AES-256-ECB Decrypt NIST KAT #12
depends_on:MBEDTLS_AES_C
test_vec_ecb:MBEDTLS_CIPHER_AES_256_ECB:MBEDTLS_DECRYPT:"0000000000000000000000000000000000000000000000000000000000000000":"9b80eefb7ebe2d2b16247aa0efc72f5d":"e0000000000000000000000000000000":0
Cipher Corner Case behaviours
cipher_special_behaviours:

38
tests/suites/test_suite_cipher.function
View File

@ -91,6 +91,44 @@ void cipher_null_args( )
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_AES_C */
void cipher_special_behaviours( )
{
const mbedtls_cipher_info_t *cipher_info;
mbedtls_cipher_context_t ctx;
unsigned char input[32];
unsigned char output[32];
unsigned char iv[32];
size_t olen = 0;
mbedtls_cipher_init( &ctx );
memset( input, 0, sizeof( input ) );
memset( output, 0, sizeof( output ) );
memset( iv, 0, sizeof( iv ) );
/* Check and get info structures */
cipher_info = mbedtls_cipher_info_from_type( MBEDTLS_CIPHER_AES_128_ECB );
TEST_ASSERT( NULL != cipher_info );
TEST_ASSERT( 0 == mbedtls_cipher_setup( &ctx, cipher_info ) );
/* IV too big */
TEST_ASSERT( mbedtls_cipher_set_iv( &ctx, iv, MBEDTLS_MAX_IV_LENGTH + 1 )
== MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
/* IV too small */
TEST_ASSERT( mbedtls_cipher_set_iv( &ctx, iv, 0 )
== MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
/* Update ECB with partial block */
TEST_ASSERT( mbedtls_cipher_update( &ctx, input, 1, output, &olen )
== MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED );
exit:
mbedtls_cipher_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void enc_dec_buf( int cipher_id, char *cipher_string, int key_len,
int length_val, int pad_mode )