- "Digest encrypted" feature flag means PMD support hash-cipher cases,
where generated digest is appended to and encrypted with the data.
+ - "CIPHER_MULTIPLE_DATA_UNITS" feature flag means PMD support operations
+ on multiple data-units message.
+
+ - "CIPHER_WRAPPED_KEY" feature flag means PMD support wrapped key in cipher
+ xform.
+
Supported Cipher Algorithms
---------------------------