1. 查看现有 GPG 密钥#
# 如果文件夹不存在会自动创建
$ gpg --list-keys
gpg: directory '/home/ubuntu/.gnupg' created
gpg: keybox '/home/ubuntu/.gnupg/pubring.kbx' created
gpg: /home/ubuntu/.gnupg/trustdb.gpg: trustdb created
$ gpg --list-key
2. 生成 GPG 密钥#
$ gpg --gen-key
gpg (GnuPG) 2.2.19; Copyright (C) 2019 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.
Note: Use "gpg --full-generate-key" for a full featured key generation dialog.
GnuPG needs to construct a user ID to identify your key.
Real name: shenxianpeng
Email address: xianpeng.shen@gmail.com
You selected this USER-ID:
"shenxianpeng <xianpeng.shen@gmail.com>"
Change (N)ame, (E)mail, or (O)kay/(Q)uit? O
...
gpg: key 5F72A7D009FC935A marked as ultimately trusted
...
public and secret key created and signed.
pub rsa3072 2022-07-28 [SC] [expires: 2024-07-27]
F0F32CB8C65536ECE0187EAD5F72A7D009FC935A
uid shenxianpeng <xianpeng.shen@gmail.com>
sub rsa3072 2022-07-28 [E] [expires: 2024-07-27]
3. 导出公钥内容#
# 使用邮箱导出
gpg --armor --export xianpeng.shen@gmail.com
# 或使用公钥 ID 导出
gpg --armor --export F0F32CB8C65536ECE0187EAD5F72A7D009FC935A
# 输出为公钥内容
4. 将公钥添加到 GitHub#
打开 GitHub，进入： Settings → SSH and GPG keys → New GPG key 粘贴刚才导出的公钥内容。
完成后，当你使用命令提交：
git commit -S -m "Your commit message"
GitHub 会显示 Verified 签名标识：
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