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d2jsp Forums > Off-Topic > General Chat > Homework Help > El Gamal Signature Scheme > Crpytography, Number Theory
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#1
Mar 27 2016 09:37pm
Hey I am having trouble with question #1 and #2b ( I already figured out #2a, the solution is to let m1 = mr^-1).



For #1 I'm trying to get the gcd(r,p-1) = 1 so that r has an inverse so Eve can get a, but I'm having trouble showing that.

Thanks
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#2
Apr 7 2016 01:30pm
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#3
Apr 7 2016 07:57pm
can't help you but I love cryptography concepts. GG
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