Edwin Hoksberg EdwinHoksberg

YubiKey 4 series GPG and SSH setup guide

Written for fairly adept technical users, preferably of Debian GNU/Linux, not for absolute beginners.

You'll probably be working with a single smartcard, so you'll want only one primary key (1. Sign & Certify) and two associated subkeys (2. Encrypt, 3. Authenticate). I've published a Bash function which automates this slightly special key generation process.

This page is no longer maintained, go to https://help.vivaldi.com/article/html5-proprietary-media-on-linux/ for help

# Install the tools
apt-get install cryptsetup

# -y for password confirmation prompt
cryptsetup -y -v luksFormat /dev/sdx # THIS DELETES ALL THE DATA

# Open it and look at status
cryptsetup luksOpen /dev/sdx cryptoblock
cryptsetup -v status cryptoblock

	{
	"af": {
	"name": "Afrikaans",
	"speakers": 15200000
	},
	"am": {
	"name": "Amharic",
	"speakers": 25800000
	},
	"sq": {

	#!/usr/bin/env python3

	from itertools import islice
	import re
	import requests
	from bs4 import BeautifulSoup

	if __name__ == '__main__':
	stat_soup = BeautifulSoup(requests.get("https://stats.lineageos.org/").content, "lxml")
	code_soup = BeautifulSoup(requests.get("https://wiki.lineageos.org/devices/").content, "lxml")

	#!/boot/bzImage

	# Linux kernel userspace initialization code, translated to bash
	# (Minus floppy disk handling, because seriously, it's 2017.)
	# Not 100% accurate, but gives you a good idea of how kernel init works
	# GPLv2, Copyright 2017 Hector Martin <[email protected]>
	# Based on Linux 4.10-rc2.

	# Note: pretend chroot is a builtin and affects the current process
	# Note: kernel actually uses major/minor device numbers instead of device name

	/*
	* Genarate rsa keys.
	*/

	package main

	import (
	"crypto/rand"
	"crypto/rsa"
	"crypto/x509"

	# Requires the following project directory structure:
	# /bin
	# /obj
	# /src

	# Use 'make remove' to clean up the hole project

	# Name of target file
	TARGET = foooooooobar