Cryptography Final Exam Study Guide Test Questions with Complete Solution

Cryptography Final Exam Study Guide Test Questions with Complete Solution The ______________ is the message after decryptionplaintext What type of cipher is the Vigenere cipher?polyalphabetic What is the decryption of bsujqsyodysw by use of Vigenere cipher with the key "USF?"happynewyear In Vernam cipher, its pad must be used just one time.true What is the encryption of HAPPYNEWYEAR by use of Caesar cipher with its encryption key 10?rkzzixogiokb Vigenere cipher overcomes the problem of a small key space in Caesar cipher by ____________having a sequence of letters, a word, as a secret key For a Caesar cipher, a cyclic shift algorithm is used to encrypt each lettertrue Caesar cipher is insecure becausethe frequencies of letters remain unchanged A(n) __________ algorithm transforms ciphertext to plaintextdecryption Suppose C = 33 is the public key of the scheme described in the video "Prime Numbers and Public Key Cryptography." What is the corresponding private key?p1 = 3 and p2 = 11 27 is a prime numberfalse