1.

Which operation is used in encryption using IDEA?(a) Addition modulo 216(b) Bit wise XOR(c) Addition modulo 216 & Bit wise XOR(d) None of the mentionedThe question was posed to me in an online interview.This intriguing question comes from Pretty Good Privacy in division Encryption and Decryption of Digital Communications

Answer»

The correct choice is (C) Addition modulo 216 & Bit wise XOR

The best explanation: The ARITHMETIC operations used in IDEA are addition modulo 216, MULTIPLICATION modulo 216+1, and bit wise XOR.



Discussion

No Comment Found

Related InterviewSolutions