Exam 14: Key Management and Distribution

The principal objective for developing a _________ is to enable secure,convenient and efficient acquisition of public keys.

Frequent key changes are usually desirable to limit the amount of data compromised if an attacker learns the key.

Public-key encryption schemes are secure only if the authenticity of the ___________ is assured.

The more frequently session keys are exchanged the more __________ they are because the opponent has less ciphertext to work with for any given session key.

Session keys are transmitted in encrypted form using a __________ key that is shared by the key distribution center and an end system or user.