Briefly describe how to regenerate the secret key after modifying the user name on github

GitHub is the world's largest open source code hosting platform and occupies a pivotal position in the open source world. GitHub attracts developers from all over the world through its powerful functions and rich resources. For developers, a GitHub account is one of the most important passes. It not only represents their identity, but is also a symbol of recognition by the open source community.

With the rise of social media, users’ usernames may change frequently. If you change your username on GitHub, then you need to know that you will also need to regenerate the secret key. In this article, we will discuss this problem and how to solve it.

1. What is a GitHub key?

When using Git and GitHub, in order to ensure the security of data transmission, the transmitted data needs to be encrypted. In order to complete the encryption and decryption of data, the SSH (Secure Shell) protocol and the RSA (Rivest, Shamir, Adleman) algorithm need to be used. Generating a key pair is the core of the SSH protocol and RSA algorithm, which ensures that data transmission on GitHub is encrypted.

In GitHub, the secret keys created by users generally include public keys and private keys. The private key is stored locally and is used to digitally sign the code uploaded to GitHub to ensure the integrity and uniqueness of the data. The public key is stored on the GitHub server and is used to verify the user's identity.

2. Why do you need to regenerate the key?

If you change your username on GitHub, GitHub will generate a new key pair (public key and private key). This is because after the username is changed, the public key in your GitHub account will also change. Therefore, if you do not update your local SSH key and the public key of your GitHub account, you will not be able to connect to GitHub through SSH, nor will you be able to perform any operations related to the code repository.

In addition, if you are using the HTTPS protocol to connect, changing the username will not affect your work. However, to ensure data security, we still recommend regenerating the key pair after modifying the username.

3. How to regenerate the key pair?

In order to regenerate the key pair after changing the username on GitHub, please follow the following steps:

1) Log in to your account on GitHub.

2) Find your avatar in the upper right corner of the page and select "Settings" in the drop-down menu.

3) Select "SSH and GPG keys" on the left side of the page.

4) Find the SSH key saved on your local computer and copy it to GitHub.

5) Click "New SSH key" on the right side of the page to upload the new public key to your GitHub account.

6) Test whether your new key can be accessed normally.

This process should be simple and only requires some basic skills to implement. But please note that after uploading the public key to GitHub, you need to modify the configuration file locally and use the new private key to connect to GitHub in Git Bash/Terminal.

When regenerating the key pair, be sure to keep your private key safe. Do not easily send the private key to others to avoid leakage of the secret key and data tampering.

4. Summary

GitHub is an excellent open source platform that provides developers with convenient code hosting services. If you change your username on GitHub, you need to regenerate the key pair to ensure that you can connect to GitHub normally. Although the process of regenerating a key pair is tedious, it can be easily solved by following the correct steps.

We hope this article can be helpful to you. For more tutorials about GitHub, please continue to follow our blog.

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