trevordixon

Use like:

    sha1_attack --bytes 2 --type preimage
    sha1_attack --bytes 4 --type collision
    sha1_attack --bytes 3 --type both

--bytes is the number of bytes to consider (i.e. the number of bytes to which the SHA-1 digest will be truncated)
--type can be preimage, collision, or both

trevordixon

import Data.Bits

modExp :: Integer -> Integer -> Integer -> Integer
modExp b 0 m = 1
modExp b e m = t * modExp ((b * b) `mod` m) (shiftR e 1) m `mod` m
  		   where t = if testBit e 0 then b `mod` m else 1

trevordixon

import System.Random
import Math.NumberTheory.Primes.Testing

rndPrime :: Int -> IO Integer
rndPrime bits = do
  x <- fmap (.|. 1) $ randomRIO (2^(bits - 1), 2^bits - 1)
	if isPrime x then return x else rndPrime bits

trevordixon

extendedEu :: Integer -> Integer -> (Integer, Integer)
extendedEu a 0 = (1, 0)
extendedEu a b = (t, s - q * t)
  where (q, r) = quotRem a b
	      (s, t) = extendedEu b r

trevordixon

// MIT License:
//
// Copyright (c) 2010-2012, Joe Walnes
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

trevordixon

#!/bin/bash
wget "https://gist.github.com/trevordixon/8413132/raw/index.html" -O /var/www/index.html

trevordixon

ruleset HelloWorldApp {
  rule Excercise1 is active {
    select when pageview ".*"
    {
      notify("Hello World", "This is a sample rule.") with sticky = true;
      notify("Another One", "Notification 2.") with sticky = true;
    }
  }

  rule Exercise4 is active {

trevordixon

'use strict';

var angular = require('angular');

module.exports = function LoginFormDirective ($compile) {
  return {
    restrict: 'E',
    template: require('./loginFormTemplate.html'),
    link: function (scope, element) {
      // Already compiled!

trevordixon

ruleset a2294x1 {
  rule show_form is active {
    select when pageview "ktest\.heroku\.com"
    pre {
      firstName = ent:firstName;
      lastName = ent:lastName;

      form = <<
      <form id="simple_form">
        <input placeholder="First Name" name="first_name"><br>

trevordixon

ruleset a2294x2 {
  rule first_rule is active {
    select when pageview ".*" setting ()
    pre {
      results = <<
      <dl id="results" style="display:none">
        <dt></dt>
        <dd><img id="thumbnail" src=""></dd>
        
        <dt>Title</dt>