commit 5ebca5131a0d0a78f273897cde2112c18939f032
author Mate Toth-Pal <mate.toth-pal@arm.com> Thu Mar 24 16:45:51 2022 +0100
committer Anton Komlev <Anton.Komlev@arm.com> Wed Oct 05 17:46:05 2022 +0200
tree 0ac3fda325cf34a54d7efe0b50a0c8f18885738c
parent 1709b14264daeae8b0e71daf17006448b0c68642

Add CCA attestation token verifier

This commit adds classes to verify CCA attestation token. A CCA
attestation token is defined by the document DEN0137 Realm Management
Monitor specification found here:
https://developer.arm.com/documentation/den0137/a/?lang=en

The commit
* Adds claim classes for CCA attestation token claims.
* Adds verifier classes CCA attestation token
* Adds CCA tokens to CLI scripts and change parameters to be possible to
  specify multiple signing keys
* Adds sample cbor and yaml and key files to demonstrate CCA attestation
  token

Change-Id: Ia88a5ce4af334143452e87d29975826165502409
Signed-off-by: Mate Toth-Pal <mate.toth-pal@arm.com>