EXERCISE - estimated duration : 10 minutes
Andrew and Bill use the Elgamal c...
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EXERCISE - estimated duration : 10 minutesAndrew and Bill use the Elgamal cryptosystem, with the following data :public domain : Andrew : public key : private key : Bill : public key : private key : ??Andrew receives the ciphered message : from BillWhat is the original message?The answer is an integer number.