minhtt159

from hashlib import md5
from base64 import b64decode
from base64 import b64encode
from Crypto.Cipher import AES
from time import ctime
from Secret import __SECRET__
import os

BLOCK_SIZE = 16

minhtt159

from Crypto.Util.number import *
import random
flag = 'Hidden'
def egcd(a, b):
    if a == 0:
        return (b, 0, 1)
    else:
        g, y, x = egcd(b % a, a)
        return (g, x - (b // a) * y, y)

minhtt159

import random
from gmpy2 import *
from message import mes
from secret import m,n,c

assert "ISITDTU" in mes

s = []
for i in mes:
    x = (m* ord(i) + c) % n

minhtt159

import os
import socket
import threading
from hashlib import *
import SocketServer
import random
from flag import flag
host, port = '0.0.0.0', 33337
BUFF_SIZE = 1024

minhtt159

enc_flag = '1d14273b1c27274b1f10273b05380c295f5f0b03015e301b1b5a293d063c62333e383a20213439162e0037243a72731c22311c2d261727172d5c050b131c433113706b6047556b6b6b6b5f72045c371727173c2b1602503c3c0d3702241f6a78247b253d7a393f143e3224321b1d14090c03185e437a7a607b52566c6c5b6c034047'.decode('hex')
# print len(enc_flag)

key = [i for i in range(10)]
flag = [chr(i) for i in range(len(enc_flag))]

m = []
for a in range(len(key)):
    i = a
    for b in range(len(flag)/len(key)):

minhtt159

# Took from SO
def egcd(a, b):
    if a == 0:
        return (b, 0, 1)
    g, y, x = egcd(b%a,a)
    return (g, x - (b//a) * y, y)

def modinv(a, m):
    g, x, y = egcd(a, m)
    if g != 1:

minhtt159

p = """.rodata:08048880                 db 0DBh
.rodata:08048881                 db  1Dh
.rodata:08048882                 db    0
.rodata:08048883                 db    0
.rodata:08048884                 db 0E1h
.rodata:08048885                 db  1Dh
.rodata:08048886                 db    0
.rodata:08048887                 db    0
.rodata:08048888                 db 0F5h
.rodata:08048889                 db  1Dh

minhtt159

sss = """.rodata:08048880                 db  43h ; C
.rodata:08048881                 db    0
.rodata:08048882                 db    0
.rodata:08048883                 db    0
.rodata:08048884                 db  70h ; p
.rodata:08048885                 db    0
.rodata:08048886                 db    0
.rodata:08048887                 db    0
.rodata:08048888                 db 0DEh
.rodata:08048889                 db    0

minhtt159

#! usr/bin/env python3
import string
import sys
import numpy as np
import math
from numpy import matrix
from numpy import linalg
# from flag import FLAG 

# assert len(FLAG) == 28 

minhtt159

e = 0x10001
n = 55089599753625499150129246679078411260946554356961748980861372828434789664694269460953507615455541204658984798121874916511031276020889949113155608279765385693784204971246654484161179832345357692487854383961212865469152326807704510472371156179457167612793412416133943976901478047318514990960333355366785001217
q = 7422236843002619998657542152935407597465626963556444983366482781089760759017266051147512413638949173306397011800331344424158682304439958652982994939276427
c = 33062272351573218250384115704487361063970465004033740168733959927707721053321054975845636421337650298670338055101957913137486876401007806540788449215177115739842456860057795240129932234489439409388612936981938930876353938688227847808194010536300529961489751250254640618262254364661940751727869020817391566773

p = n/q
phi = (p-1)*(q-1)

def egcd(a, b):
	if a == 0: