ensures that the message really came from the supposed sender.

Related MCQs

• is proving that a message was sent by a certain sender.
•                                  ensures no one other our intended recipient(s) can eavesdrop on the message while                              provides confidentiality by scrambling the
• ensures no one can alter the message before our intended recipient(s) sees it.
• Digital signatures combined with digital certificates provide                          by giving the recipient(s) a way to tie the message to an individual or entity who signed the message.
• means hiding contents of a message so that nobody else but the intended recipient can read it.