Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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[Algebraic Cryptography] How do you solve this? thank you

1.
Let P be a prime and let g be a primitive root modulo p. Let a be an integer which is relatively
prime to p. Prove that a has a square root modulo p (i.e., there exists an integer b such that b² = a (mod p))
if and only if the discrete logarithm log, (a) is even.
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Transcribed Image Text:1. Let P be a prime and let g be a primitive root modulo p. Let a be an integer which is relatively prime to p. Prove that a has a square root modulo p (i.e., there exists an integer b such that b² = a (mod p)) if and only if the discrete logarithm log, (a) is even.
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