Cryptography Teacher Question:

In cryptography, what is cipher?
A. algorithm for performing encryption and decryption B. encrypted message C. both (a) and (b) D. none of the mentioned

Cryptography Teacher Interview Question
Cryptography Teacher Interview Question

Answer:

A. algorithm for performing encryption and decryption


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Voice privacy in GSM cellular telephone protocol is provided by:
A. A5/2 cipher B. b5/4 cipher C. b5/6 cipher D. b5/8 cipher		Which of the following is a faulty S-AES step function?
a) Add round key
b) Byte substitution
c) Shift rows
d) Mix Columns