Skip to content

Instantly share code, notes, and snippets.

@mishurov
mishurov / syntax.s
Last active June 12, 2024 05:09
AT&T assembly syntax and IA-32 instructions
# --------
# Hardware
# --------
# Opcode - operational code
# Assebly mnemonic - abbreviation for an operation
# Instruction Code Format (IA-32)
# - Optional instruction prefix
# - Operational code
@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()); }}
@orip
orip / GsonHelper.java
Created September 5, 2012 11:22
Gson type adapter to serialize and deserialize byte arrays in base64
import java.lang.reflect.Type;
import android.util.Base64;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;