tree 33231362f8c22c07934b335f0dd7c5ded1e49e1f
parent a02003babe4e5145d37f47f42a2565b33e8534ea
author Paul Elliott <paul.elliott@arm.com> 1625759401 +0100
committer Paul Elliott <paul.elliott@arm.com> 1626262794 +0100

Change PSA Cipher macro safety to use block length

Although checking if the key was symmetric was correct, its easier to
read if we just check the block length is not zero before we use it in a
division.

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