tree c4f0ad012328a28c5c6abb73571c0d001758fecb
parent 95d65c773e10f49fcc689501467f5590811f5b5d
author Paul Elliott <paul.elliott@arm.com> 1625674806 +0100
committer Paul Elliott <paul.elliott@arm.com> 1625675086 +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>