(Elgamal encryption): given elgamal encryption ciphersystem: a)show how can we create a new legal encryption from...

(Elgamal encryption): given elgamal encryption ciphersystem:

a)show how can we create a new legal encryption from two different encryptions that we don't know their decryptions

b)how can an adversary take advantage of the scheme at a) (what's written above), in order to attack a preknown encrypted text? elaborate

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Expert Solution

Colby Messinger answered 1 year ago

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