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Extend psa_crypto_metadata tests to check for powers of 2

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Add a check to ensure the block_size is or is not a power of 2

Add a new parameter to verify the expected pass/fail when a block_size
is or is not a power of 2.

Add new sets of input data to verify these tests

Fixes #4228

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
This commit is contained in:
Joe Subbiani 2021-07-06 10:42:54 +01:00
parent 0a7ff4a4e2
commit f37bbe53a0
2 changed files with 37 additions and 5 deletions
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18
tests/suites/test_suite_psa_crypto_metadata.data
View file

@ -293,15 +293,27 @@ key_type:PSA_KEY_TYPE_DERIVE:KEY_TYPE_IS_UNSTRUCTURED
Block cipher key type: AES
depends_on:PSA_WANT_KEY_TYPE_AES
block_cipher_key_type:PSA_KEY_TYPE_AES:16
block_cipher_key_type:PSA_KEY_TYPE_AES:16:0
Block cipher key type: DES
depends_on:PSA_WANT_KEY_TYPE_DES
block_cipher_key_type:PSA_KEY_TYPE_DES:8
block_cipher_key_type:PSA_KEY_TYPE_DES:8:0
Block cipher key type: Camellia
depends_on:PSA_WANT_KEY_TYPE_CAMELLIA
block_cipher_key_type:PSA_KEY_TYPE_CAMELLIA:16
block_cipher_key_type:PSA_KEY_TYPE_CAMELLIA:16:0
Block cipher key type: AES
depends_on:PSA_WANT_KEY_TYPE_AES
block_cipher_key_type:PSA_KEY_TYPE_AES:24:1
Block cipher key type: AES
depends_on:PSA_WANT_KEY_TYPE_AES
block_cipher_key_type:PSA_KEY_TYPE_AES:12:1
Block cipher key type: DES
depends_on:PSA_WANT_KEY_TYPE_DES
block_cipher_key_type:PSA_KEY_TYPE_DES:24:1
Stream cipher key type: ChaCha20
depends_on:PSA_WANT_KEY_TYPE_CHACHA20

22
tests/suites/test_suite_psa_crypto_metadata.function
View file

@ -619,7 +619,7 @@ void key_type( int type_arg, int classification_flags )
/* END_CASE */
/* BEGIN_CASE */
void block_cipher_key_type( int type_arg, int block_size_arg )
void block_cipher_key_type( int type_arg, int block_size_arg, int expecting_power_2 )
{
psa_key_type_t type = type_arg;
size_t block_size = block_size_arg;
@ -628,7 +628,27 @@ void block_cipher_key_type( int type_arg, int block_size_arg )
TEST_EQUAL( type & PSA_KEY_TYPE_CATEGORY_MASK,
PSA_KEY_TYPE_CATEGORY_SYMMETRIC );
if (expecting_power_2 == 0)
TEST_EQUAL( PSA_BLOCK_CIPHER_BLOCK_LENGTH( type ), block_size );
/* PSA_ROUND_UP_TO_MULTIPLE(block_size, length) in crypto_sizes.h
* Requires block sizes to be a power of 2. The following test ensures
* the block sizes are indeed powers of 2.
*/
int check = 0;
while( block_size > 1)
{
if ( block_size % 2 != 0 )
{
check = 1;
break;
}
block_size = block_size / 2;
}
/* expecting_power_2 should be 0 if true (e.g 16, 32 etc.) or 1 otherwise */
TEST_EQUAL( check, expecting_power_2 );
}
/* END_CASE */