如何为没有密码生成的 OpenSSH 私钥添加密码? [英] How do I add a password to an OpenSSH private key that was generated without a password?

问题描述

我使用 puttygen 生成了一个 OpenSSH 私钥(并以 OpenSSH 格式导出).如何在现有密钥上设置密码(我知道如何使用密码生成新密钥)?

I generated an OpenSSH private key using puttygen (and exported it in OpenSSH format). How can I put a password on this existing key (I know how to generate a new key with a password)?

推荐答案

试试命令 ssh-keygen -p -f keyfile

来自 ssh-keygen 手册页

From the ssh-keygen man page

 -p      Requests changing the passphrase of a private key file instead of
         creating a new private key.  The program will prompt for the file
         containing the private key, for the old passphrase, and twice for
         the new passphrase.

 -f filename
         Specifies the filename of the key file.

示例:

ssh-keygen -p -f ~/.ssh/id_rsa

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