def create_image_pw(path, user_id):
l = LCG(user_id)
buf = b""
for _ in range(128):
buf += l.next().to_bytes(16, "big")
im = Image.frombytes("1", (128, 128), buf)
im.save(joinp(path, "{}.bmp".format(user_id)))
return l.next()
def do_login():
user_id = int(request.form.get("user_id"))
pw = int(request.form.get("pw"))
lcg = LCG(user_id)
for _ in range(128):
lcg.next()
if lcg.next() == pw:
msg = "Login Successful<br/>"
session['user_id'] = user_id
else:
msg = "Wrong credentials!"
return render_template(TEMPL_PATH, title="Login!", content=msg)
def generate_source(self, seed, sourceLength):
source = []
rng = LCG(seed)
for i in range(sourceLength):
unit_nr = rng.next() % len(self.units)
unit = copy.deepcopy(self.units[unit_nr])
source.append(unit)
return source
import matplotlib.pyplot as plt
from scipy.stats import chisquare
from lcg import LCG
from bbs import BBS
from ansix917 import ANSIX917
if __name__ == "__main__":
rnd_gen = LCG(m=31, a=13, c=0, x0=12)
# rnd_gen = BBS(p=383, q=503, s=101355)
# k1 = '0110110101101111011011100110000101110010011000110110100001111001'
# k2 = '0100011010000111111011011010011001100101101001001100011011110100'
# rnd_gen = ANSIX917(v0=1, k1=k1, k2=k2)
num_category = 10
f_obs = dict()
for i in range(num_category):
f_obs[i] = 0
for i in range(1, 1001):
x_n = rnd_gen.next()
f_obs[x_n % num_category] += 1
f_obs = list(f_obs.values())
print(chisquare(f_obs))
