ECES-Practice Test Questions with correct answers

Asymmetric - correct answer What type of encryption uses different keys to encrypt and decrypt the message? RSA - correct answer The most widely used asymmetric encryption algorithim is what? Plaintext - correct answer Original, unencrypted information is referred to as ____. DES - correct answer Which of the following is not an asymmetric system? User B's public key - correct answer In order for User A to send User B an encrypted message that only User B can read, User A must encrypt message with which of the following keys? The problem of key exchange - correct answer The greatest weakness with symmetric algorithms is ____. Larger block sizes increase security - correct answer Which of the following is generally true about block sizes? Hash - correct answer A ____ is a function that takes a variable-size input m and returns a fixed-size string. Diffie-Hellman - correct answer Which of the following is cryptographic protocol that allows two parties to establish a shared key over an insecure channel?