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import random
import binascii

def plus(x, y):
    return (x + y) & 0xffffffff
    #return (x + y) % 2^32

def lrotate(x, n):
    l = (x << n) & 0xffffffff
    r = (x >> (32-n)) & 0xffffffff

ykm11

import cv2
import numpy as np
from PIL import Image

import re
import argparse

def create_rot_image(img_file, angle=-15, duration=40):
    size = (128, 128)
    center = (128//2, 128//2)

ykm11

import zlib
import string

SECRET = "mugimugi_suko"
def check(pad : str):
    data = SECRET + pad*20

    comp_data = zlib.compress(data.encode())
    return len(comp_data)

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from Crypto.Cipher import AES
import string
import os

key = os.urandom(16)
# For brute-force
chars = string.ascii_uppercase + string.ascii_lowercase + string.digits
SECRET = b'IenagaMugiKawaii'

def pad(m):

ykm11

from useless.math import *
from Crypto.Util.number import *
import random

def gen_key(bits):
    p = getPrime(bits); q = getPrime(bits)
    n = p*q
    k = random.randint(2, n)
    g = (1 + k*n) % (n**2)

ykm11

from useless.math import *
from Crypto.Util.number import *
import random


def gen_key(bits):

    p = getPrime(bits)
    g = random.randint(1, p-1)
    x = random.randint(1, p-1)

ykm11

from chacha20 import *
from poly1305 import *
from utils import *
from calc import *

import struct


def chacha20_aead_encrypt(aad, key, iv, constant, plaintext):
    """

ykm11

package main


import (
    "fmt"
    "net"
    "os"
    "time"

    "./utils"

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package main

import (
    "fmt"
    "net"
    "os"
    "time"

    "./utils"
    "./encryption"

ykm11

from sage.all import *

def get_C2_prime():
    while True:
        p = random_prime(2^256-1,False,2^255)
        if p % 3 == 2:
            return p

        
### KEY GEN ###