ALPHABET) == number
print convertNumberToString(convertStringToNumber(text, ALPHABET),
ALPHABET) == text
def calculateMOD():
lastPage = generateAllSpacePage()
MOD = convertStringToNumber(lastPage, ALPHABET)
return MOD
#Parameters for the LCG
MOD = calculateMOD()
C = 982451653 #MOD and C are relatively prime
A = MOD + 1
AINV = Euclid.modinv(A, MOD)
def lcg(x):
return ((A * x + C) % MOD)
def lcgInverse(x):
return ((AINV * (x - C)) % MOD)
def pageAtAddress(address):
addressAsNumber = convertStringToNumber(address, ADDRESSCHARSET)
pageAsNumber = lcg(addressAsNumber)
page = convertNumberToString(pageAsNumber, ALPHABET)
page = fillWithXBefore(page, 'a', 3200)
def testConversion(number,text):
#both outputs should be true
print convertStringToNumber(convertNumberToString(number,ALPHABET),ALPHABET) == number
print convertNumberToString(convertStringToNumber(text,ALPHABET),ALPHABET) == text
def calculateMOD():
lastPage = generateAllSpacePage()
MOD = convertStringToNumber(lastPage,ALPHABET)
return MOD
#Parameters for the LCG
MOD = calculateMOD()
C = 982451653 #MOD and C are relatively prime
A = MOD + 1
AINV = Euclid.modinv(A,MOD)
def lcg(x):
return ((A * x + C) % MOD)
def lcgInverse(x):
return ((AINV * (x - C)) % MOD)
def pageAtAddress(address):
addressAsNumber = convertStringToNumber(address,ADDRESSCHARSET)
pageAsNumber = lcg(addressAsNumber)
page = convertNumberToString(pageAsNumber,ALPHABET)
page = fillWithXBefore(page,'a',3200)
return page
import Euclid
import time
DATANUMBER = 2646520
PARTS = 40
PARTLENGTH = DATANUMBER/PARTS
#mainLCG
MOD = (2 ** (DATANUMBER/PARTS)) + 1
C = (2 ** 86243) - 1
A = (2*MOD) + 1
AINV = Euclid.modinv(A,MOD)
#permutationLCG
m = 640
a = 21
c = 1997
ainv = Euclid.modinv(a,m)
def lcg(x):
return ((A * x + C) % MOD)
def lcgInverse(x):
return ((AINV * (x - C)) % MOD)
def permLcg(x):
return ((a * x + c) % m)
def permLcgInverse(x):
