Git 总是询问密码以获取密钥
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Git always ask passphrase for key
提问by Khanh Pham
I had a problem when using gitat times.
我git有时在使用时遇到问题。
When I use the command git pull origin my_branchor git fetchor git push origin my_branch, git always ask passphrase for key. And i didn't understand why ?
当我使用命令git pull origin my_branchor 或git fetchor 时git push origin my_branch，git 总是要求密码短语输入密钥。我不明白为什么？
I hope someone can explain the reason and a way to avoid entering passphrase each time.
我希望有人可以解释原因和避免每次输入密码的方法。
$ git fetch
Enter passphrase for key '/home/khanhpn/.ssh/id_rsa':
回答by Will Vousden
Like Nasreddine says, it's because your key is encrypted with a passphrase to prevent others from reading it.
就像 Nasreddine 所说的那样，这是因为您的密钥是用密码加密的，以防止其他人阅读它。
The most convenient way of using passphrased keys is by using ssh-agentto start an authentication agent (which runs in the background):
使用密码短语最方便的方法是使用ssh-agent启动身份验证代理（在后台运行）：
$ eval "$(ssh-agent)"
Agent pid 44304
...and then using ssh-addto register your key with the agent so that it's used automatically for subsequent SSH connections:
...然后用于ssh-add向代理注册您的密钥，以便它自动用于后续的 SSH 连接：
$ ssh-add ~/.ssh/id_rsa
Enter passphrase for /home/khanhpn/.ssh/id_rsa:
You'll be asked to enter your passphrase when you run ssh-add, but you won't need to do so again while ssh-agentis running.
运行时ssh-add，系统会要求您输入密码，但在运行时不需要再次输入ssh-agent。
You can find more information on GitHub. Also note that you'll have to do this every time you log in, so you might like to add the eval "$(ssh-agent)"step to your .profilescript.
您可以在 GitHub 上找到更多信息。另请注意，每次登录时都必须执行此操作，因此您可能希望将该eval "$(ssh-agent)"步骤添加到.profile脚本中。
回答by Nasreddine
It's because your private SSH key is protected using a passphrase. You can remove it using this command (not recommended since anyone could copy your key and use it to access your repos/account):
这是因为您的私人 SSH 密钥是使用密码保护的。您可以使用此命令删除它（不推荐，因为任何人都可以复制您的密钥并使用它来访问您的 repos/account）：
$ ssh-keygen -p
Enter file in which the key is (/path/to/your/.ssh/key):
enter your current passphrase when prompted here:
在此处提示时输入您当前的密码：
Enter old passphrase:
Key has comment 'rsa w/o comment'
leave empty if you want to remove the passphrase when prompted here:
如果您想在此处提示时删除密码，请留空：
Enter new passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved with the new passphrase.
