austinmarton

/*
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 */

#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

reaandrew

#include <stdio.h>

int main(){
    printf("bitwise operations\n");
    unsigned long int num = 10;
    int i;
    for(i= (sizeof(unsigned long int)*8)-1;i>= 0; i--){
        char c = (num &(1LL<<i))? '1' : '0';
        putchar(c);
    }

gbaman

Setting up Pi Zero OTG - The quick way (No USB keyboard, mouse, HDMI monitor needed)

More details - http://blog.gbaman.info/?p=791

For this method, alongside your Pi Zero, MicroUSB cable and MicroSD card, only an additional computer is required, which can be running Windows (with Bonjour, iTunes or Quicktime installed), Mac OS or Linux (with Avahi Daemon installed, for example Ubuntu has it built in).
1. Flash Raspbian Jessie full or Raspbian Jessie Lite onto the SD card.
2. Once Raspbian is flashed, open up the boot partition (in Windows Explorer, Finder etc) and add to the bottom of the config.txt file dtoverlay=dwc2 on a new line, then save the file.
3. If using a recent release of Jessie (Dec 2016 onwards), then create a new file simply called ssh in the SD card as well. By default SSH i

Vini2

import java.util.Random;

/**
 *
 * @author Vijini
 */

//Main class
public class SimpleDemoGA {

mimoo

#ifndef __ERASE_FROM_MEMORY_H__
#define __ERASE_FROM_MEMORY_H__ 1

#define __STDC_WANT_LIB_EXT1__ 1
#include <stdlib.h>
#include <string.h>

void *erase_from_memory(void *pointer, size_t size_data, size_t size_to_remove) {
  #ifdef __STDC_LIB_EXT1__
   memset_s(pointer, size_data, 0, size_to_remove);

hawell

#include "openssl/engine.h"
#include "openssl/evp.h"
#include "rfc1321/global.h"
#include "rfc1321/md5.h"

#define MD5_DIGEST_LENGTH 16
#define MD5_CBLOCK 64

static const char *engine_id = "MD5";
static const char *engine_name = "A simple md5 engine for demonstration purposes";

oskar456

#!/usr/bin/env python3

import subprocess
import json
import os
from pathlib import Path

import requests
from requests.compat import urljoin

Matheus-Garbelini

wget https://www.openssl.org/source/openssl-1.1.1.tar.gz
tar -xvzf openssl-1.1.1.tar.gz
cd openssl-1.1.1/
./Configure linux-aarch64 --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared zlib
make -j$(($(nproc)+1))
sudo make install
sudo echo 'LD_LIBRARY_PATH=/usr/local/ssl/lib:${LD_LIBRARY_PATH}' >> /etc/environment
rm openssl-1.1.1.tar.gz
sudo rm openssl-1.1.1 -r

coin8086

TLS in a Nutshell

TOC

• What's TLS?
• TLS Protocol
• TLS Implementation

What's TLS?