[root@netkiller ~]# gpg --list-keys
gpg: checking the trustdb
gpg: marginals needed: 3  completes needed: 1  trust model: pgp
gpg: depth: 0  valid:   2  signed:   0  trust: 0-, 0q, 0n, 0m, 0f, 2u
gpg: next trustdb check due at 2023-10-08
/root/.gnupg/pubring.kbx
------------------------
pub   rsa2048 2021-10-08 [SC] [expires: 2023-10-08]
      70CECE32E5D67D12B95ED1E7F01C0CAEAAA458E6
uid           [ultimate] Neo Chen <netkiller@msn.com>
sub   rsa2048 2021-10-08 [E] [expires: 2023-10-08]

pub   rsa2048 2021-10-08 [SC]
      E1C21F034FC0ACBF1337EE905E27578A03F0B510
uid           [ultimate] Netkiller (Test Key) <netkiller@msn.com>
sub   rsa2048 2021-10-08 [E]		
		
		

查看私钥

		
[root@netkiller ~]# gpg --list-secret-keys
/root/.gnupg/pubring.kbx
------------------------
sec   rsa2048 2021-10-08 [SC] [expires: 2023-10-08]
      70CECE32E5D67D12B95ED1E7F01C0CAEAAA458E6
uid           [ultimate] Neo Chen <netkiller@msn.com>
ssb   rsa2048 2021-10-08 [E] [expires: 2023-10-08]		
		
		

SC（"sign","certify"，代表可以签名和认证其它密钥）

E（"encrypt"，加密）

S（"sign"，签名）

		
sec => 'SECret key'
ssb => 'Secret SuBkey'
pub => 'PUBlic key'
sub => 'public SUBkey'		
		
		

格式化

		
[root@gitlab ~]# gpg --list-secret-keys --keyid-format LONG
/root/.gnupg/pubring.kbx
------------------------
sec   rsa2048/F01C0CAEAAA458E6 2021-10-08 [SC] [expires: 2023-10-08]
      70CECE32E5D67D12B95ED1E7F01C0CAEAAA458E6
uid                 [ultimate] Neo Chen <netkiller@msn.com>
ssb   rsa2048/EAA2F7FD813D2A2E 2021-10-08 [E] [expires: 2023-10-08]

sec   rsa2048/4113D1268C351687 2021-10-09 [SC] [expires: 2023-10-09]
      DBF998A60B206C9297ABC57A4113D1268C351687
uid                 [ultimate] Tests <test@test.com>
ssb   rsa2048/EA6FAF428416D577 2021-10-09 [E] [expires: 2023-10-09]

sec   rsa2048/0C835D03507C8536 2021-10-09 [SC] [expires: 2023-10-09]
      18235CBA04497C42EFAC78210C835D03507C8536
uid                 [ultimate] Backup <backup@netkiller.cn>
ssb   rsa2048/339634D92F842BE7 2021-10-09 [E] [expires: 2023-10-09]