sonickun

import json
import Crypto.Cipher.DES as DES
import struct
from Crypto.Util.number import *

# Extended Greatest Common Divisor
def egcd(a, b):
 if (a == 0):
     return [b, 0, 1]
 else:

sonickun

secret = "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"
secret = secret.decode("hex")

f = open("value_md5.txt", "r")
# head value_md5.txt
# 00000000000000000000000000000000997d9369c74c82abba4cc3b1bfc65f02,aa85a4e0adbd34c287af2d20da4453c9
# 0000000000000000000000000000d903997d9369c74c82abba4cc3b1bfc65f02,9f5b543c64d3e384078fdd8cf4b2ce6d
# 00000000000000000000000000efd802997d9369c74c82abba4cc3b

sonickun

# python rsatool.py -p 0x00e4ddba96c1cbc4f41204ee6fc16e14830438aeee4bbd21af5ce88dfd25a12f2a9a26994eefa0e6bed04ac2e29bf639b4c8f975ad886f3115ec5e384cc68c1fd7d7db63cc63f6346152809c71d226223d7d6990cae64dfc16f174fa1a6ee46b25afaffcf3936a61d3f2c69d6cee994feff8f2f0a70638420110d303d075ab16d3 -q 0x00dee55998947bfdb75c7e349bc76a1673a8c41b62929c242c0e3d0c808738972518f8639304b3340d6a88510cc524e37963a42d0638f605572aa7b93eda07dc29457118fa9a990062f05d0025d5467d3edf8db448cf12ed4ab67967be70c2a5617b3085d0e151357d63b1eca4b53746fcbe586cdc8a4405cfaf719f3f011318db -o test.key
Using (p, q) to initialise RSA instance

n =
c7455240232e4c309b7afda495ccd5ff4a9cd78e945d76c6713955e12a5da435cdf967bd011d643b
3d417797075f8def866a8cb9f02745acbe78c4920b15dc36365f6c1dd71c9b900bc702a2f21c00e6
711446857236b5c31106e4c1d3ee5bd7c785342aadb6a7d176df7edcb7ce1d78dfe992857e1a3473
0756186ca4c200dec2a97f33b36c789fd7bb5866fbd68e83d823eae64c9e2d740f2f09d0383b39d5
1aaeb190858e8a3b6ad9cbab8d935aa1bd01d1cbba238af4df8455d7d789c71ee6091f711e766f63
3a0420f530adb7

sonickun

-----BEGIN RSA PRIVATE KEY-----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sonickun

import socket
import string
import time

flag_len = 23

remoteip   = "boxesofballots.pwn.republican"
remoteport = 9001

charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_{}"

sonickun

sonickun

# filename: solver.sage

#f = open("intercepted", "r")
#
#f.readline()
#
#for line in f:
#    d, n, c = map(int, line.strip()[1:-1].split(":"))
#    print d, n, c
#

sonickun

# -*- coding: utf-8 -*-

def egcd(m, n):
    if n>0:
        y,x,d = egcd(n, m%n)
        return x, y-m/n*x, d
    else:
        return 1, 0, m

sonickun

a = 1234577
b = 3213242
M = 7654319


def add(A,B):
    if A==(0,0): return B
    if B==(0,0): return A
    x1,y1 = A
    x2,y2 = B

sonickun

import sys
import hashlib
from AESCipher import *
import string
import itertools

class SecureEncryption(object):
    def __init__(self, keys):
        #assert len(keys) == 4
        self.keys = keys