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Merge remote-tracking branch 'origin/pr/2680' into mbedtls-2.16

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* origin/pr/2680:
  test: Remove redundant 0-byte decryption test
  test: Check empty buffer decryption for chachapoly
This commit is contained in:
Jaeden Amero 2019-06-06 14:19:42 +01:00
commit 16772566d9
4 changed files with 27 additions and 11 deletions
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2
tests/suites/test_suite_cipher.aes.data
View File

@ -1,6 +1,6 @@
Decrypt empty buffer
depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7
dec_empty_buf:
dec_empty_buf:MBEDTLS_CIPHER_AES_128_CBC
AES-128 CBC - Encrypt and decrypt 0 bytes with PKCS7 padding
depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CBC:MBEDTLS_CIPHER_PADDING_PKCS7

4
tests/suites/test_suite_cipher.chacha20.data
View File

@ -1,7 +1,3 @@
Decrypt empty buffer
depends_on:MBEDTLS_CHACHA20_C
dec_empty_buf:
Chacha20 RFC 7539 Test Vector #1
depends_on:MBEDTLS_CHACHA20_C
decrypt_test_vec:MBEDTLS_CIPHER_CHACHA20:-1:"0000000000000000000000000000000000000000000000000000000000000000":"000000000000000000000000":"76b8e0ada0f13d90405d6ae55386bd28bdd219b8a08ded1aa836efcc8b770dc7da41597c5157488d7724e03fb8d84a376a43b8f41518a11cc387b669b2ee6586":"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000":"":"":0:0

2
tests/suites/test_suite_cipher.chachapoly.data
View File

@ -1,6 +1,6 @@
Decrypt empty buffer
depends_on:MBEDTLS_CHACHAPOLY_C
dec_empty_buf:
dec_empty_buf:MBEDTLS_CIPHER_CHACHA20_POLY1305
ChaCha20+Poly1305 Encrypt and decrypt 0 bytes
depends_on:MBEDTLS_CHACHAPOLY_C

30
tests/suites/test_suite_cipher.function
View File

@ -710,7 +710,7 @@ exit:
/* END_CASE */
/* BEGIN_CASE */
void dec_empty_buf( )
void dec_empty_buf( int cipher )
{
unsigned char key[32];
unsigned char iv[16];
@ -723,6 +723,8 @@ void dec_empty_buf( )
size_t outlen = 0;
int expected_ret;
memset( key, 0, 32 );
memset( iv , 0, 16 );
@ -732,12 +734,15 @@ void dec_empty_buf( )
memset( decbuf, 0, 64 );
/* Initialise context */
cipher_info = mbedtls_cipher_info_from_type( MBEDTLS_CIPHER_AES_128_CBC );
cipher_info = mbedtls_cipher_info_from_type( cipher );
TEST_ASSERT( NULL != cipher_info);
TEST_ASSERT( sizeof(key) * 8 >= cipher_info->key_bitlen );
TEST_ASSERT( 0 == mbedtls_cipher_setup( &ctx_dec, cipher_info ) );
TEST_ASSERT( 0 == mbedtls_cipher_setkey( &ctx_dec, key, 128, MBEDTLS_DECRYPT ) );
TEST_ASSERT( 0 == mbedtls_cipher_setkey( &ctx_dec,
key, cipher_info->key_bitlen,
MBEDTLS_DECRYPT ) );
TEST_ASSERT( 0 == mbedtls_cipher_set_iv( &ctx_dec, iv, 16 ) );
@ -750,8 +755,23 @@ void dec_empty_buf( )
/* decode 0-byte string */
TEST_ASSERT( 0 == mbedtls_cipher_update( &ctx_dec, encbuf, 0, decbuf, &outlen ) );
TEST_ASSERT( 0 == outlen );
TEST_ASSERT( MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED == mbedtls_cipher_finish(
&ctx_dec, decbuf + outlen, &outlen ) );
if ( cipher_info->mode == MBEDTLS_MODE_CBC ||
cipher_info->mode == MBEDTLS_MODE_ECB )
{
/* CBC and ECB ciphers need a full block of input. */
expected_ret = MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED;
}
else
{
/* Non-CBC and non-ECB ciphers are OK with decrypting empty buffers and
* return success, not MBEDTLS_ERR_CIPHER_FULL_BLOCK_EXPECTED, when
* decrypting an empty buffer. */
expected_ret = 0;
}
TEST_ASSERT( expected_ret == mbedtls_cipher_finish(
&ctx_dec, decbuf + outlen, &outlen ) );
TEST_ASSERT( 0 == outlen );
exit: