I have a cryptography assignement and I have to find Bob's secret key based on Euclid algorithm. In my Lecture Notes is written:
Given two numbers (r,s), the algorithm outputs a number x such that r*x=1(mod s)
I'm using Java to write the app to solve this. I have r and s and I have to find x.
There is a method in Java to do this, or can anyoane to give any ideas?
Here's an explanation of the Euclid algorithm: http://www.maths.lse.ac.uk/Courses/MA314/euclid.pdf. Based on this, you should be able to understand the principle, and to create your program. The former
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