Wissam Jarjoui bosswissam
tarcieri
/ ecb_is_bad.rb
Created
July 12, 2012 01:56
An chosen plaintext attack on ECB mode allowing recovery of encrypted messages
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| require 'openssl' | |
| # Don't use this | |
| module Encryption | |
| def self.cipher(mode) | |
| cipher = OpenSSL::Cipher::Cipher.new("aes-256-ecb") | |
| cipher.send mode | |
| cipher.key = "ABANDON ALL HOPE YE WHO USE ECB!" | |
| cipher.padding = 0 | |
| cipher |
craSH
/ aes_ctr-chosen_plaintext.py
Created
June 22, 2012 01:18
Simple chosen-plaintext attack on AES-CTR given NONCE and IV re-use for multiple ciphertexts. Basically just a OTP chosen-plaintext attack implementation.
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| #!/usr/bin/env python | |
| """ | |
| Simple chosen-plaintext attack on AES-CTR given NONCE and IV re-use for | |
| multiple ciphertexts | |
| Copyleft 2011 Ian Gallagher <crash@neg9.org> | |
| """ | |
| import sys | |
| def decrypt(keystream, ciphertext): |