2026-03-25 04:45
# derive passphraseguid="123e4567-e89b-12d3-a456-426614174000"
pass=$(echo -n "$guid" | sha256sum | awk '{print $1}')
ssh-keygen -t ed25519 -f id_ed25519 -N "$pass"
# id_ed25519 and id_ed25519.pub are produced deterministically from passphrase+params