def crackSeed():
seed = 0
randWait = random.randrange(40, 1001)
time.sleep(randWait)
realSeed = int(time.time())
print(realSeed)
MT19937.seed_mt(realSeed)
randWait = random.randrange(40, 1001)
time.sleep(randWait)
val = MT19937.extract_number()
currTime = int(time.time())
rangeOfVals = 0
while seed == 0:
for i in range(rangeOfVals, rangeOfVals+100000):
testSeed = currTime - i
MT19937.seed_mt(testSeed)
firstVal = MT19937.extract_number()
if firstVal == val:
seed = testSeed
break
if seed !=0:
return seed
rangeOfVals += 100000
print('NewVals')
return None
def generatePasswordToken():
tokenLen = 13
token = []
MT19937.seed_mt(int(time.time()))
for i in range(tokenLen):
randNo = MT19937.extract_number()
randNo = randNo%256
token.append(randNo)
token = bytes(token)
return token
def testIfTokenGenByMT19937(token):
timestamp = int(time.time())
for i in range(10000):
testSeed = timestamp-i
MT19937.seed_mt(testSeed)
isSeed = True
for j in range(len(token)):
if token[j] != MT19937.extract_number()%256:
isSeed = False
if isSeed:
return True
return False
def MT19937cipher(ipBytes, seed):
seedSizeInBits = 16
seed = (bin(abs(seed))[2:]).zfill(seedSizeInBits)
seed = int(seed[len(seed) - seedSizeInBits:], 2)
MT19937.seed_mt(seed)
output = []
for i in range(len(ipBytes)):
randNo = MT19937.extract_number()
randNo = randNo % 256
output.append(randNo ^ ipBytes[i])
output = bytes(output)
return output
def main():
randomizeMT()
crackMT()
isSame = True
for i in range(200 * n):
extractedNo = MT19937.extract_number()
predictedNo = extract_number_cracked()
if predictedNo != extractedNo:
print(i)
isSame = False
if isSame:
print("Cracked!!")
def initialiseMT():
global MT
for i in range(n):
output = MT19937.extract_number()
number = unTemper(output)
MT.append(number)
def randomizeMT():
for i in range(random.randrange(0, n)):
no = MT19937.extract_number()