mac管理git项目更新RSA SSH 主机密钥 - 不止于python

1

开始

一阵子没用git，最近要用git管理代码，发现无法拉取仓库。一顿搜索后发现了github更新了RSA SSH 密钥。问题不大，再添加一下就行了。

2

报错

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@  
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @  
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@  
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!  
Someone could be eavesdropping on you right now (man-in-the-middle attack)!  
It is also possible that a host key has just been changed.  
The fingerprint for the RSA key sent by the remote host is  
SHA256:uNiVztksCsDhcc0u9e8BujQXVUpKZIDTMczCvj3tD2s.  
Please contact your system administrator.  
Add correct host key in /Users/msw/.ssh/known_hosts to get rid of this message.  
Offending RSA key in /Users/msw/.ssh/known_hosts:11  
Host key for github.com has changed and you have requested strict checking.  
Host key verification failed.  
fatal: 无法读取远程仓库。  
  
请确认您有正确的访问权限并且仓库存在。

3

解决

删除旧的密钥

1	ssh-keygen -R github.com

自动添加到known_hosts文件

1	curl -L https://api.github.com/meta \| jq -r '.ssh_keys \| .[]' \| sed -e 's/^/github.com /' >> ~/.ssh/known_hosts

手动添加

1	vim ~/.ssh/known_hosts

1
2

// 添加到末尾  
github.com ssh-rsa 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

4

参考链接

https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/

github

https://coding.net/help/docs/repo/security/gpg-sign.html

coding.net

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