Providing security and authenticity of GitHub commits is highly useful for developers. This guide will explain in detail how to configure your Mac for secure GitHub commits, including authenticated commits and SSH connections that improve workflow security.

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## Step 1: Configure Git User Information

First, you need to set your global Git configuration with your username and email. Open your terminal and enter the following commands:

```
git config --global user.name "username" // github username
git config --global user.email "email@example.com" // github email
```

This sets up your identity for all Git repositories on your machine.

## Step 2: Generate an SSH Key

SSH keys are a more secure way of logging into a server with SSH than using a password alone. Here’s how to generate an SSH key:

***2.1.*** Create a `.ssh` directory if it doesn't already exist:

```
mkdir ~/.ssh
```

***2.2.*** Generate a new SSH key using the `ed25519` algorithm:

```
ssh-keygen -t ed25519 -C "email@example.com"
```

***2.3.*** Start the SSH agent in the background:

```
eval "$(ssh-agent -s)"
```

***2.4.*** Add your SSH key to the ssh-agent and store your passphrase in the keychain:

```
ssh-add --apple-use-keychain ~/.ssh/id_ed25519
```

## Step 3: Configure SSH

Next, create and configure your SSH configuration file to ensure your keys are used properly:

***3.1.*** Create a new SSH config file:

```
touch ~/.ssh/config
```

***3.2.*** Open the config file in your preferred text editor (here, using Visual Studio Code):

```
code ~/.ssh/config
```

***3.3.*** Add the following configuration to the file:

```
Host *
  AddKeysToAgent yes
  UseKeychain yes
  IdentityFile ~/.ssh/id_ed25519
```

## Step 4: Configure GPG for Verified Commits

GitHub supports GPG (GNU Privacy Guard) keys for verifying the authorship of your commits. However, since we’re using SSH keys for simplicity, we’ll configure Git to use our SSH key for signing commits.

***4.1.*** Set Git to use SSH for GPG:

```
git config --global gpg.format ssh
```

***4.2.*** Configure Git to use your SSH key as the signing key:

```
git config --global user.signingkey ~/.ssh/id_ed25519
```

***4.3.*** Making sure that all your commits and tags are signed:

```
git config --global commit.gpgsign true
git config --global tag.gpgsign true
```

## Step 5: Allow Signing with SSH Key

To use your SSH key for signing, you need to add it to the allowed signers list:

***5.1.*** Create the `allowed_signers` file:

```
touch ~/.ssh/allowed_signers
```

***5.2*****.** Add your SSH public key to the `allowed_signers` file:

```
echo "$(git config --get user.email) namespaces=\"git\" $(cat ~/.ssh/id_ed25519.pub)" >> ~/.ssh/allowed_signers
```

## Step 6: Add SSH Key to GitHub

Finally, you need to add your SSH key to your GitHub account for both authentication and signing.

***6.1.*** Copy your SSH public key to the clipboard:

```
pbcopy < ~/.ssh/id_ed25519.pub
```

***6.2.*** Go to GitHub and navigate to **[Settings > SSH and GPG keys](https://github.com/settings/keys)**.

***6.3.*** Click on **New SSH key**, give it a title, and paste your key in the **Key** field.

***6.4.*** Repeat step ***6.3***, but this time, select **Signing Key** as the key type instead of **Authentication Key**.

By following these steps, you can create a secure GitHub environment on your Mac with verified commits and SSH connectivity, improve project security, and keep contributions properly attributed.

**You are ready!** Test now by trying the SSH repository clone and pushing some commits.

Get Verified: Your Guide to Secure Commits on GitHub for Mac Users

Frontend Developer

Information Technologies (Web Programming)

Modern popular matchmaking app to meet new people with the same taste in music.

Co-F & Developer

* Contributed to large-scale e-commerce and listing platforms with a talented team.

* Expanded expertise in modern web technologies, including Next.js, SCSS, and TypeScript.

* Designed and implemented complex algorithms for e-commerce and advert listing features such as search on map, shopping cart functionality, and other critical components.

* Gained hands-on experience in creating and maintaining UI documentation using Storybook.

* and I am still learning and growing.

* Worked within a microservices architecture, leading the development of an AI-integrated microservice using Golang.

* Focused on implementing SERP (Search Engine Results Page) analysis, gaining expertise in AI-driven data processing and microservice design.

Backend Developer

* Developed the frontend for the Gplex product, a Web3-based e-gaming platform, using ReactJS, GraphQL, and SCSS.

* Gained hands-on experience in integrating blockchain technology into the entertainment sector, enhancing skills in Web3 development and e-gaming platforms.

Front-End Developer

* Developed and maintained the server monitoring dashboard's web application using React, Styled Components, Storybook, and TypeScript.

* Acquired in-depth knowledge of the monitoring field, enhancing expertise in creating user-friendly and scalable dashboard interfaces.

Metecan Kaplan

2024