- tags: GPG, Yubikey
- source: “A Visual Explanation of GPG Subkeys - Richard Goulter’s Blog.” Accessed October 5, 2023. https://rgoulter.com/blog/posts/programming/2022-06-10-a-visual-explanation-of-gpg-subkeys.html.
What does the [SC] or [E] mean in the output of gpt --list-keys:
- E = encrypt/descript
- S = sign
- C = certify(sign another key, establishing a trust relation)
- A = authentication(log in to SSH with a PG key)