type_url: "type.googleapis.com/google.crypto.tink.AesCmacKey"
# value: [type.googleapis.com/google.crypto.tink.AesCmacKeyFormat] {
#   key_size: 32
#   params {
#     tag_size: 16
#   }
# }
value: "\010 \022\002\010\020"
output_prefix_type: TINK
