YubiKey PGP + SSH

gistfile1.txt

https://0day.work/using-a-yubikey-for-gpg-and-ssh/
https://ocramius.github.io/blog/yubikey-for-ssh-gpg-git-and-local-login/
https://github.com/drduh/YubiKey-Guide/tree/1ad37577db92726eadde4dc302a6f982ba7e82dc
https://github.com/drduh/config/blob/master/gpg.conf
https://help.github.com/articles/associating-an-email-with-your-gpg-key/  For adding extra emails to your keys

https://github.com/keybase/keybase-issues/issues/2798


gpg.conf
```
auto-key-locate keyserver
keyserver hkps://pgp.mit.edu
keyserver-options no-honor-keyserver-url

personal-cipher-preferences AES256 AES192 AES CAST5
personal-digest-preferences SHA512 SHA384 SHA256 SHA224
default-preference-list SHA512 SHA384 SHA256 SHA224 AES256 AES192 AES CAST5 ZLIB BZIP2 ZIP Uncompressed
cert-digest-algo SHA512
s2k-digest-algo SHA512
s2k-cipher-algo AES256

charset utf-8
fixed-list-mode
no-comments
no-emit-version
keyid-format 0xlong
list-options show-uid-validity
verify-options show-uid-validity
with-fingerprint
require-cross-certification

use-agent
```