# Guides * [GitHub - drduh/YubiKey-Guide: Guide to using YubiKey for GPG and SSH](https://github.com/drduh/YubiKey-Guide#master-key) * A fantastic guide covering: * Initial setup * Generating entropy * Creating master and subkeys * Creating revocation certs * Configuring smartcards * Hardening GPG and Yubikey configurations * Rotating keys * Setting up Yubikeys for SSH * Requiring touch * And more. # See Also [[Yubikeys for SSH]]