Pre-image Resistance: Given a, hard to find b such that ____

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Presentation transcript:

Pre-image Resistance: Given a, hard to find b such that ____ Student ID: ______ Name: ______ s = ___ = 10 + “the last digit of your ID”, 10  s  19 A cryptographic hash function y = h(x) should satisfy the following properties Pre-image Resistance: Given a, hard to find b such that ____ Collision Resistance: Hard to find any c  c such that ____ To minimize operations, the exponentiation xs takes ____ squares and ___ multiplications In the RSA example (n = 33, e = 3, d = 7), sign the message s, and verify the signature