tree e9502d2e730826f5e8104648a7ec0dc3879282ee
parent 5e678fd4d2f530e8082096b25d5ac916fb378e56
author Paul Elliott <paul.elliott@arm.com> 1691748426 +0100
committer Paul Elliott <paul.elliott@arm.com> 1691769846 +0100

Fix potential corruption of IV for AES CBC

If passed a zero length, AES CBC could potentially corrupt the passed
in IV by memcpying it over itself. Although this might be ok with
more recent compilers, its not for every compiler we support. Found
by coverity.

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