Gpg
如何使用 gpg 更新過期的加密子密鑰
我更新了我的 gpg 密鑰對，但我仍然收到來自 gpg 的以下錯誤。
gpg: WARNING: Your encryption subkey expires soon. gpg: You may want to change its expiration date too.如何更新子密鑰？
列出你的鑰匙。
$ gpg --list-keys ... ------------------------------- pub rsa2048 2019-09-07 [SC] [expires: 2020-11-15] AF4RGH94ADC84 uid [ultimate] Jill Doe (CX) <jilldoe@mail.com> sub rsa2048 2019-09-07 [E] [expired: 2019-09-09] pub rsa2048 2019-12-13 [SC] [expires: 2020-11-15] 7DAA371777412 uid [ultimate] Jill Doe <jilldoe@mail.com> ------------------------------- ...我們要編輯密鑰 AF4RGH94ADC84。子項是列表中第二個被命名的子項
ssb$ gpg --edit-key AF4RGH94ADC84 gpg> list sec rsa2048/AF4RGH94ADC84 created: 2019-09-07 expires: 2020-11-15 usage: SC trust: ultimate validity: ultimate ssb rsa2048/56ABDJFDKFN created: 2019-09-07 expired: 2019-09-09 usage: E [ultimate] (1). Jill Doe (CX) <jilldoe@mail.com>所以我們要編輯第一個子鍵（ssb）
ssb rsa2048/56ABDJFDKFN created: 2019-09-07 expired: 2019-09-09 usage: E [ultimate] (1). Jill Doe (CX) <jilldoe@mail.com>當您選擇鍵 (1) 時，您應該會看到它旁邊的 *，例如
ssb*。然後你可以設置過期時間然後保存。gpg> key 1 sec rsa2048/AF4RGH94ADC84 created: 2019-09-07 expires: 2020-11-15 usage: SC trust: ultimate validity: ultimate ssb* rsa2048/56ABDJFDKFN created: 2019-09-07 expired: 2019-09-09 usage: E [ultimate] (1). Jill Doe (CX) <jilldoe@mail.com> gpg> expire ... Changing expiration time for a subkey. Please specify how long the key should be valid. 0 = key does not expire <n> = key expires in n days <n>w = key expires in n weeks <n>m = key expires in n months <n>y = key expires in n years Key is valid for? (0) 2y Key expires at Wed 9 Sep 16:20:33 2021 GMT Is this correct? (y/N) y sec rsa2048/AF4RGH94ADC84 created: 2019-09-07 expires: 2020-11-15 usage: SC trust: ultimate validity: ultimate ssb* rsa2048/56ABDJFDKFN created: 2019-09-07 expires: 2021-09-09 usage: E [ultimate] (1). Jill Doe (CX) <jilldoe@mail.com> ... gpg> save退出前不要忘記保存更改！