0 0 votes From a large set of prime numbers Jimmy choose 23 and 17 as P and Q respectively and a random integer to be 13. Jimmy wants to sends a plain text to M = 127. What will be the value of cipher text using RSA? since i am getting ciphertext =(127^13) mod 391 now how should i calculate Computer Networks computer-networks network-security rsa-security-networks + – vijju532 1.1k views answer comment Share Follow Print See all 4 Comments 4 4 Comments reply arvin commented Dec 17, 2018 reply Follow flag 213? 0 0 replyShare vijju532 commented Dec 17, 2018 reply Follow flag ans is right can u send the procedure have you used modular expo...?? 0 0 replyShare arvin commented Dec 17, 2018 reply Follow flag (127^12)*127 mod 391 = ((((127^3) mod 391)^4) mod391)*127) mod391 2 2 replyShare smsubham commented Dec 7, 2019 reply Follow flag Useful: https://www.khanacademy.org/computing/computer-science/cryptography/modarithmetic/a/fast-modular-exponentiation 0 0 replyShare Please log in or register to add a comment.