To authenticate the data origin, one needs a(n) _______.

Related MCQs

• The secret key between members needs to be created as a ______ key when two members contact KDC.
• A digital signature needs a(n)_________ system.
• In PGP, to exchange e-mail messages, a user needs a ring of _______ keys.
• A user needs to send the server some information. The request line method is _______.
• Message_____ means that the data must arrive at the receiver exactly as sent.
• ______ is designed to provide security and compression services to data generated from the application layer.
• In _______, a claimant proves her identity to the verifier by using one of the three kinds of witnesses.
• One security protocol for the e-mail system is _________.
• One way to create an active document is to use __________.
• In a ___________ connection, one TCP connection is made for each request/response.