How to Sign Keys and What is the GPG Web of Trust?
Channel: World Crypto Network
Date: 2019-02-24

This is a guide to using YubiKey as a SmartCard for storing GPG encryption, signing and authentication keys, which can also be used for SSH. Many of the principles in this document are applicable to other smart card devices.

Keys stored on YubiKey are non-exportable (as opposed to file-based keys that are stored on disk) and are convenient for everyday use. Instead of having to remember and enter passphrases to unlock SSH/GPG keys, YubiKey needs only a physical touch after being unlocked with a PIN code. All signing and encryption operations happen on the card, rather than in OS memory.
https://github.com/drduh/YubiKey-Guide

I forgot to mention how to set up the touch feature of the yubikey, here are the commands:
$ ykman openpgp touch aut on
$ ykman openpgp touch sig on
$ ykman openpgp touch enc on

Get Tails:
https://tails.boum.org/
Get a Chaos Key:
https://altusmetrum.org/ChaosKey/
Get at least 1 Yubikey:
https://www.yubico.com/store/
Get at least 3 USB sticks.

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