Answered>Order 12034
Choose as common parameters the curve E d e fin e d by y2 = x 3 + 5x + 1 (mod 1367), and the point P = (951,512) which has order 173. With private key a = 100, and with k = 125, sign the message m =1000 , and verify the signature. Suppose the entropy of English was r = 1.3. Determine the unicity distances of the Caesar , Vigenere and general substitution ciphers. Repeat using r = 1.1. Develop a simple Playfair-like cipher with the […]