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OpenStudy (anonymous):
I'm stuck on this question, and a little lost a bit in... Assume that p ≡ 3 (mod 4) and n ≡ x**2 (mod p). Given n and p, find one possible value of x.
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OpenStudy (anonymous):
I know that p = 4k +3 for some unknown k. I also know that n ** (p-1 / 2) is congruent to 1 (mod p). Therefore I know that x ** (p-2) is congruent to 1 (mod p). I can even introduce an additional variable to make some equation with these, but at this point, I'm ridiculously stuck.
OpenStudy (dan815):
|dw:1383116973459:dw|
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