unsecureMessage(SecureMessage m) Reverse the transform that secureMessage does, using whatever
techniques are needed to verify the integrity and source of the
message.
the unsecured message iff validated.
Returns a message which has been cryptologically secured.
Implementations may destructively modify the original message
in order to actually send the original message.
a SecureMessage marked Message
Reverse the transform that secureMessage does, using whatever
techniques are needed to verify the integrity and source of the
message.
the unsecured message iff validated. Will return null ifvalidation fails.