def checkToken(token):
currentTime = int(time.time())
for i in range(currentTime - 5, currentTime + 5):
randomGen = MT19937(i)
if randomGen.extract_number() == token:
return True
return False
def getRandomNumber():
print("Getting random number...")
time.sleep(40 + random.randint(0, 960))
currentTime = int(time.time())
randomGen = MT19937(currentTime)
randomNum = randomGen.extract_number()
time.sleep(40 + random.randint(0, 960))
return randomNum
def findRandomSeed(randomInput): currentTime = int(time.time()) for i in range(0, 3600): newSeed = currentTime - i randomGen = MT19937(newSeed) randomNum = randomGen.extract_number() if randomNum == randomInput: return newSeed
def randomCipher(startBytes, seed):
randomGen = MT19937(seed)
keyBytes = bytearray()
for i in range(len(startBytes)):
# append least significant byte of number to key bytes
newKeyByte = randomGen.extract_number() & 0xFF
keyBytes.append(newKeyByte)
resultBytes = streamXOR(startBytes, keyBytes)
return resultBytes
def cloneMT19937(initialPRNG):
newPRNG = MT19937(0)
for i in range(0, 624):
untempered = untemper(initialPRNG.extract_number())
newPRNG.mt[i] = untempered
return newPRNG
return result
# fully untempers a given value from MT19937 to get the untempered matrix value
# returns untempered value (int)
def untemper(value):
result = value
result = unShiftRightXOR(result, 18)
result = unShiftLeftXOR(result, 15, 0xEFC60000)
result = unShiftLeftXOR(result, 7, 0x9D2C5680)
result = unShiftRightXOR(result, 11)
return result
# gets 624 random numbers from initialPRNG (MT19937) and untempers each of them.
# these untempered values are spliced into another PRNG - the state of the PRNG is duplicated.
# returns newPRNG (MT19937)
def cloneMT19937(initialPRNG):
newPRNG = MT19937(0)
for i in range(0, 624):
untempered = untemper(initialPRNG.extract_number())
newPRNG.mt[i] = untempered
return newPRNG
if __name__ == "__main__":
currentTime = int(time.time())
randomGen = MT19937(currentTime)
clonedGen = cloneMT19937(randomGen)
print("Cloned output: " + str(clonedGen.extract_number()))
print("Actual output: " + str(randomGen.extract_number()))
def generateToken():
currentTime = int(time.time())
randomGen = MT19937(currentTime)
return randomGen.extract_number()