Question
An RSA cryptosystem has public key N = 35 and e = 7. Messages are encrypted one letter at a time, converting letters to numbers
An RSA cryptosystem has public key N = 35 and e = 7. Messages are encrypted one letter at a time, converting letters to numbers by A = 2, B = 3, ..., Z = 27, space = 28. (a) Showing your working, encrypt the message: BE GOOD. (b) Find the decryption exponent d and decrypt the message: 20 23 26 7 15 16 (c) This choice of N and e has several weaknesses - name at least two different ones
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Statistical And Scientific Database Management Fifth International Conference V Ssdbm Charlotte N C Usa April 3 5 1990 Proceedings Lncs 420
Authors: Zbigniew Michalewicz
1st Edition
3540523421, 978-3540523420
