Question: cryptography/security engineering The computational difficulty of which one the following operations is involved in the security of El-Gamal public-key cryptosystem? Select one: a. finding x

cryptography/security engineering

The computational difficulty of which one the following operations is involved in the security of El-Gamal public-key cryptosystem? Select one: a. finding x from the equation yx=z (for special choices of y,z) b. finding x from the equation xy=z (for special choices of y,z ) c. finding p and q form N=pq, where p and q are large prime numbers d. finding x from the equation xy=2modw (for special choices of y,w ) e. finding x from the equation y=zmodw (for special choices of y,z,w )

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