Add validate api and clean up unseal errors#112

chrisccoulson wants to merge 13 commits into

canonical:v1-wipcanonical/secboot:v1-wipfrom

chrisccoulson:add-validate-api-and-clean-up-unseal-errorschrisccoulson/secboot:add-validate-api-and-clean-up-unseal-errorsCopy head branch name to clipboard