tree 66adeee28e1f37d4ac4692f668637462fe27d3e2
parent 008cd0c4d838cd7409a5df58174da7ea5a19abef
author Paul Elliott <paul.elliott@arm.com> 1625679288 +0100
committer Paul Elliott <paul.elliott@arm.com> 1625740095 +0100

Fix divide by zero if macro used with wrong key

If PSA_CIPHER_ENCRYPT_OUTPUT_SIZE was called on a non symmetric key,
then a divide by zero could happen, as PSA_CIPHER_BLOCK_LENGTH will
return 0 for such a key, and PSA_ROUND_UP_TO_MULTIPLE will divide by
the block length.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>