まずは現在の鍵の情報を確認。
$ gpg --list-key XXXXXXXX pub 4096R/XXXXXXXX 2012-02-10 uid AYANOKOUZI, Ryuunosuke sub 4096R/YYYYYYYY 2012-02-10
この鍵にユーザID(uid)を追加。途中でこの鍵のパスフレーズを聞かれる。
$ gpg --edit-key XXXXXXXX
gpg (GnuPG) 1.4.10; Copyright (C) 2008 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Secret key is available.
pub 4096R/XXXXXXXX created: 2012-02-10 expires: never usage: SC
trust: ultimate validity: ultimate
sub 4096R/YYYYYYYY created: 2012-02-10 expires: never usage: E
[ultimate] (1). AYANOKOUZI, Ryuunosuke
gpg> adduid
Real name: AYANOKOUZI, Ryuunosuke
Email address: i38w7i3@yahoo.co.jp
Comment:
You selected this USER-ID:
"AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp>"
Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O
You need a passphrase to unlock the secret key for
user: "AYANOKOUZI, Ryuunosuke"
4096-bit RSA key, ID XXXXXXXX, created 2012-02-10
pub 4096R/XXXXXXXX created: 2012-02-10 expires: never usage: SC
trust: ultimate validity: ultimate
sub 4096R/YYYYYYYY created: 2012-02-10 expires: never usage: E
[ultimate] (1) AYANOKOUZI, Ryuunosuke
[ unknown] (2). AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp>
gpg> q
Save changes? (y/N) y
最後に変更内容の確認。追加されていることがわかる。
$ gpg --list-key XXXXXXXX pub 4096R/XXXXXXXX 2012-02-10 uid AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp> uid AYANOKOUZI, Ryuunosuke sub 4096R/YYYYYYYY 2012-02-10