mkdocs-benoit.jp.net/docs/Howtos/HowtoGPG.md
2021-02-20 15:06:15 +09:00

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HowtoGPG

Some commands:

$ gpg --card-status
$ gpg --export-ssh-key keyID
$ gpg --armor --export keyID > pubkey.asc

Use Nitrokey from new system:

$ gpg --import pubkey.asc
$ gpg --card-status

Use GPG Agent as SSH Agent

$ vim .gnupg/gpg-agent.conf
enable-ssh-support
pinentry-program /usr/bin/pinentry-qt

$ systemctl --user enable --now /usr/lib/systemd/user/gpg-agent*

$ vim .bashrc
export SSH_AUTH_SOCK="/run/user/$(id -u)/gnupg/S.gpg-agent.ssh"

Export your public key to your web server:

$ mkdir openpgpkey
$ gpg --list-options show-only-fpr-mbox -k keyID | /usr/lib/gnupg/gpg-wks-client -v --install-key

Then publish to your web server. https://openpgpkey.example.com/.well-known/openpgpkey/example.com/hu/
My public key is available via: https://openpgpkey.benpro.fr/.well-known/openpgpkey/benpro.fr/hu/7ue9nu5hdtshxjynnn6haqyohye8716e

Get public keys

From WKD

WKD mean Web Key Directory. Interesting website: https://metacode.biz/openpgp/web-key-directory

$ gpg --locate-key user@example.com

From keyserver

With keys.openpgp.org

$ echo keyserver hkps://keys.openpgp.org >> ~/.gnupg/gpg.conf
$ gpg --auto-key-locate keyserver --locate-keys user@example.com

With sks-keyservers.net

$ gpg --keyserver pool.sks-keyservers.net --recv-keys keyID