2020-12-03 21:21:19 +01:00
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#!/usr/bin/ruby
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2020-12-06 00:53:29 +01:00
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# coding: utf-8
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#######################################
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2020-12-03 21:21:19 +01:00
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#
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2020-12-06 00:53:29 +01:00
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# Marcin Woźniak
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# s434812
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2020-12-03 21:21:19 +01:00
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#
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########################################
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load '../module.rb'
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2020-12-06 00:53:29 +01:00
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require 'thread'
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require 'thwait'
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def returnRownanie(a,b,p)
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puts
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puts "Równanie krzywej jest równe: " + "Y^2 = X^3+" + a.inspect + "X+" + b.inspect + " mod "+ p.inspect
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puts
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end
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def delta(a,b,p)
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d = ((4 * betterExponentiation(a,3,p) % p) + (27 * betterExponentiation(b,2,p) % p)) % p
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return d
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end
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def rownanieKrzywej(a,b,p,x)
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fx = (betterExponentiation(x,3,p) + (a * x) % p + b % p) % p
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return fx
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end
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def generatorKrzywej(p)
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a = 0
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b = 0
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while true
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#p = generate(300)
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if primalityTest(p)
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threads = []
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threads << Thread.new {
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a = SecureRandom.random_number(1..p-1)
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}
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threads << Thread.new {
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b = SecureRandom.random_number(1..p-1)
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}
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ThreadsWait.all_waits(*threads)
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if delta(a,b,p) != 0
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returnRownanie(a,b,p)
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return a,b
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end
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end
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end
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end
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def punktNaKrzywej(a,b,p)
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if delta(a,b,p) != 0
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while true
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x = SecureRandom.random_number(1..p-1)
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fx = rownanieKrzywej(a,b,p,x)
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if remSqEuler(fx,p)
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y = Math.sqrt(fx).to_i #betterExponentiation(x,((p+1)/4),p)
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return x,y
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end
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end
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end
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end
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def czyPunktNalezyDoKrzywej(a,b,p,x,y)
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fx = rownanieKrzywej(a,b,p,x)
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if fx == betterExponentiation(y,2,p)
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return true
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else
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return false
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end
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end
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def punktPrzeciwny(x,y)
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return x,-y
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end
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def sumaPunktow(a,b,p,x1,y1,x2,y2)
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end
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#puts generatorKrzywej(11).inspect
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#puts punktNaKrzywej(2,7,11).inspect
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#puts czyPunktNalezyDoKrzywej(2,7,11,7,1).inspect
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#puts czyPunktNalezyDoKrzywej(2,7,11,2,2).inspect
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#puts punktPrzeciwny(2,2).inspect
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