SSH 密钥使用 Git

Question

I'm new to GitHub and, after having followed this tutorial , I'm trying to understand SSH keys.

I already created a key and added it to my account. For the moment I have no more than a few test repositories, which I clones locally.

Now, the problem is that, even if I do not set my ssh-agent (or I remove all the keys from GitHub) I can still update my repos and push to them.

The only thing I can't do with a verified key is cloning a repository using the SSH link (eg git@github.com:username/repository.git ), but I can still clone and push to repositories using the https link (eg https://github.com/username/repository.git ).

I initially thought that cloning was allowed using the https but I could not push, but I can even push and it does not ask any usernames of passwords!

So, what's the purpose of SSH keys if anyone can still do the same things that I do with a verified key? Does it have to do with privileges and permissions?

Answer 1

but I can still clone and push to repositories using the https link (eg https://github.com/username/repository.git ).

When using HTTPS, you would not use any SSH key, only cached credentials (GitHub account username/password), that would be provided by the git credential helper ( git config credential.helper )

printf "protocol=https\nhost=github.com"|git credential-xxx erase

Replace xxx by the helper returned by git config credential.helper