Suyu/mbedtls
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/mbedtls.git synced 2026-01-03 21:25:31 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add test vectors to the cipher test suite

Browse source 
Ensures the selected cipher/mode/padding is actually used
and padding and tag are actually checked.
This commit is contained in:
Manuel Pégourié-Gonnard 2013-09-03 18:31:25 +02:00
parent 43a4780b03
commit 8eccab5077
3 changed files with 99 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

67
tests/suites/test_suite_cipher.function
View file

@ -301,6 +301,73 @@ void enc_dec_buf_multipart( int cipher_id, int key_len, int first_length_val,
}
/* END_CASE */
/* BEGIN_CASE */
void decrypt_test_vec( int cipher_id, int pad_mode,
char *hex_key, char *hex_iv,
char *hex_cipher, char *hex_clear,
char *hex_ad, char *hex_tag,
int finish_result, int tag_result )
{
unsigned char key[100];
unsigned char iv[100];
unsigned char cipher[100];
unsigned char clear[100];
unsigned char ad[100];
unsigned char tag[100];
size_t key_len, iv_len, cipher_len, clear_len, ad_len, tag_len;
cipher_context_t ctx;
unsigned char output[100];
size_t outlen, total_len;
memset( key, 0x00, sizeof( key ) );
memset( iv, 0x00, sizeof( iv ) );
memset( cipher, 0x00, sizeof( cipher ) );
memset( clear, 0x00, sizeof( clear ) );
memset( ad, 0x00, sizeof( ad ) );
memset( tag, 0x00, sizeof( tag ) );
memset( output, 0x00, sizeof( output ) );
key_len = unhexify( key, hex_key );
iv_len = unhexify( iv, hex_iv );
cipher_len = unhexify( cipher, hex_cipher );
clear_len = unhexify( clear, hex_clear );
ad_len = unhexify( ad, hex_ad );
tag_len = unhexify( tag, hex_tag );
/* Prepare context */
TEST_ASSERT( 0 == cipher_init_ctx( &ctx,
cipher_info_from_type( cipher_id ) ) );
TEST_ASSERT( 0 == cipher_setkey( &ctx, key, 8 * key_len, POLARSSL_DECRYPT ) );
if( pad_mode != -1 )
TEST_ASSERT( 0 == cipher_set_padding_mode( &ctx, pad_mode ) );
TEST_ASSERT( 0 == cipher_set_iv( &ctx, iv, iv_len ) );
TEST_ASSERT( 0 == cipher_reset( &ctx ) );
#if defined(POLARSSL_CIPHER_MODE_AEAD)
TEST_ASSERT( 0 == cipher_update_ad( &ctx, ad, ad_len ) );
#endif /* POLARSSL_CIPHER_MODE_AEAD */
/* decode buffer and check tag */
total_len = 0;
TEST_ASSERT( 0 == cipher_update( &ctx, cipher, cipher_len, output, &outlen ) );
total_len += outlen;
TEST_ASSERT( finish_result == cipher_finish( &ctx, output + outlen,
&outlen ) );
total_len += outlen;
#if defined(POLARSSL_CIPHER_MODE_AEAD)
TEST_ASSERT( tag_result == cipher_check_tag( &ctx, tag, tag_len ) );
#endif /* POLARSSL_CIPHER_MODE_AEAD */
/* check plaintext only if everything went fine */
if( 0 == finish_result && 0 == tag_result )
{
TEST_ASSERT( total_len == clear_len );
TEST_ASSERT( 0 == memcmp( output, clear, clear_len ) );
}
cipher_free_ctx( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void set_padding( int cipher_id, int pad_mode, int ret )
{