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.
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.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 92E
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![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F99f0f643-224c-4195-b3f3-1e1550c4eda0%2F53de2341-6eef-4d4b-a783-05aed5aaefcd%2Fs3d9beo_processed.png&w=3840&q=75)
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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