Renew public key
- Save public key to external storage
- Boot Tails in offline mode
- Make private key available for use
- Renew subkeys:
gpg --edit-key <key>
key 1
,key 2
, etc.expire
save
- Export new public key:
gpg --export --armor > key.asc
- Save public key to external storage
- Boot back to normal OS
- Copy new public key to disk and import:
gpg --import key.asc
- Send keys to key servers:
gpg --send-keys <key>