Skip to content

Instantly share code, notes, and snippets.

View atoponce's full-sized avatar
Crypto coffee

Aaron Toponce atoponce

Crypto coffee
View GitHub Profile
@lydell
lydell / bigrams-to-pairs.js
Created August 23, 2015 08:54
English bigram and letter pair frequencies from the Google Corpus Data in JSON format
// By Simon Lydell 2015.
// This file is in the public domain.
var stdin = require("get-stdin")
var tools = require("text-frequencies-analysis")
var helpers = require("text-frequencies-analysis/lib/helpers")
stdin(function(text) {
process.stdout.write(tools.jsonStringifyRow(convert(JSON.parse(text))))
})
@PaulCapestany
PaulCapestany / oi.js
Created August 4, 2013 00:43
Dan Kaminsky's DefCon RNG challenge
// TLDR: Oi, Barnes. We'll miss ya. Here's a grimy RNG in your honor.
// node oi.js or paste the below into your favorite browser's JS console.
// DEFCON CHALLENGE: Break this!
function millis() { return Date.now(); }
function flip_coin() { n=0; then = millis()+1; while(millis()<=then) { n=!n; } return n; }
function get_fair_bit() { while(1) { a=flip_coin(); if(a!=flip_coin()) { return(a); } } }
function get_random_byte(){ n=0; bits=8; while(bits--){ n<<=1; n|=get_fair_bit(); } return n; }
report_console = function() { while(1) { console.log(get_random_byte()); }}
@masak
masak / explanation.md
Last active July 13, 2026 21:32
How is git commit sha1 formed

(The below text is licensed with CC0, which means that if you want to use or translate it, that is OK by me.)

Ok, I geeked out, and this is probably more information than you need. But it completely answers the question. Sorry. ☺

Locally, I'm at this commit:

$ git show
commit d6cd1e2bd19e03a81132a23b2025920577f84e37
Author: jnthn <jnthn@jnthn.net>

Date: Sun Apr 15 16:35:03 2012 +0200