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Add test in block_cipher_key_type test case

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The test case uses a bit shift to check that the block
size is a power of 2

Fixes #4228

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
This commit is contained in:
Joe Subbiani 2021-07-09 12:17:49 +01:00
parent ba940cc695
commit bd5cc3a0be
1 changed files with 22 additions and 0 deletions
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22
tests/suites/test_suite_psa_crypto_metadata.function
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@ -603,6 +603,28 @@ 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 );
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 creates a bit and shifts along until it finds a
* match or a mismatch.
*/
int check = 0;
for (size_t index = 1; index > 0; index = index << 1)
{
if (index == block_size)
{
check = 0;
break;
}
if (index > block_size)
{
check = 1;
break;
}
}
TEST_EQUAL( check, 0);
}
/* END_CASE */