OP-TEE/optee_os — pull request #133 by pascal-brand-st-dev (2014-11-24 12:56:58+00:00)
Title: MAC operations now supports NULL arguments

MAC algorithms support NULL arguments and zero length strings.

Note that the fix consists in a change of API in the internal crypto
interface. This change make hash_ops and mac_ops look the same in terms of
update and final step

Signed-off-by: Pascal Brand
Tested-by: Pascal Brand (STM platform)