10.6 Consider an Elgamal scheme with a common prime q = 71 and a primitive root a = 7. a. If B has public key YB = 3 and A choose the random integer k = 2, what is the ciphertext of M = 30? b. If A now chooses a different value of k so that the encoding of M = 30 is C = (59, C2), what is the integer C2? | |
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