#LINECTF2022 #uninterested_challenge_list 0xe6b7c5a62d08e0216e1e7ed7948c96b74c0be9cd 0x49e1050393f885117de74e7a02d1091d67faa3d0 0xff07bbee67c3ab910000000000000000 0xe91f3200a87205d18a97bdf3bb3027c9f532c8a4 0x7e7b86c8624c9b597131bb883053b18…

#LINECTF2022 I have generated a RSA-1024 key pair: * public key exponent: 0x10001 * public key modulus: 0xa9e7da28ebecf1f88efe012b8502122d70b167bdcfa11fd24429c23f27f55ee2cc3dcd7f337d0e630985152e114830423bfaf83f4f15d2d05826bf511c343c1b13bef…

#LINECTF2022 package main import ( "bufio" "crypto/aes" "crypto/rand" "crypto/sha256" "crypto/sha512" "crypto/tls" "fmt" "log" "net" "github.com/andreburgaud/crypt2go/ecb" ) func main() { var key0 [32]byte var key1 [32]byte var zero_value …

#LINECTF2022 xor #!/usr/bin/env python # -*- coding: utf-8 -*- # 64 bytes FLAG = b'LINECTF{...}' def xor(a:bytes, b:bytes) -> bytes: return bytes(i^j for i, j in zip(a, b)) S = [None]*4 R = [None]*4 Share = [None]*5 S[0] = FLAG[0:8] S[1] =…

#LINECTF2022 from present import Present from Crypto.Util.strxor import strxor import os, re class CTRMode(): def __init__(self, key, nonce=None): self.key = key # 20bytes self.cipher = DoubleRoundReducedPresent(key) if None==nonce: nonce …