10.7 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 chose the random integerk = 2, what is the ciphertext of M = 30? 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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