An SSH key is an access credential for the SSH (secure shell) network protocol. This authenticated and encrypted secure network protocol is used for remote communication between machines on an unsecured open network. SSH is used for remote file transfer, network management, and remote operating system access. The SSH acronym is also used to describe a set of tools used to interact with the SSH protocol.
- Generating an SSH public key¶. Before you can either connect to your Git code repository or use SSH to sign in to your web server, you must have an SSH private/public key pair. Use the information on this page to help you create a key pair for your use.
- ON windows if you have git for windows installed, run git-gui. Then click Help then click Show Ssh Key, then click Generate Key. Then click Help then click Show Ssh Key, then click Generate Key. While you're at it, then copy to the clipboard, and then go to your Gitlab account page and add the SSH key to your Gitlab account's ssh settings.
Cisco Ssh Key Generation
Mar 25, 2010 Git, TortoiseGit and (Putty) SSH keys for Windows. Posted on March 25, 2010 July 9. Also, copy the public key in the top part of the Putty Key Generator. Now, in the Personal Settings of your Unfuddle account, create a new key and paste it accordingly. ← Git and SSH keys.
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SSH uses a pair of keys to initiate a secure handshake between remote parties. The key pair contains a public and private key. The private vs public nomenclature can be confusing as they are both called keys. It is more helpful to think of the public key as a 'lock' and the private key as the 'key'. You give the public 'lock' to remote parties to encrypt or 'lock' data. This data is then opened with the 'private' key which you hold in a secure place.
How to Create an SSH Key
SSH keys are generated through a public key cryptographic algorithm, the most common being RSA or DSA. At a very high level SSH keys are generated through a mathematical formula that takes 2 prime numbers and a random seed variable to output the public and private key. This is a one-way formula that ensures the public key can be derived from the private key but the private key cannot be derived from the public key.
SSH keys are created using a key generation tool. The SSH command line tool suite includes a keygen tool. Most git hosting providers offer guides on how to create an SSH Key.
Generate an SSH Key on Mac and Linux
Both OsX and Linux operating systems have comprehensive modern terminal applications that ship with the SSH suite installed. The process for creating an SSH key is the same between them.
1. execute the following to begin the key creation
This command will create a new SSH key using the email as a label
2. You will then be prompted to 'Enter a file in which to save the key.'
You can specify a file location or press “Enter” to accept the default file location.
3. The next prompt will ask for a secure passphrase.
A passphrase will add an additional layer of security to the SSH and will be required anytime the SSH key is used. If someone gains access to the computer that private keys are stored on, they could also gain access to any system that uses that key. Adding a passphrase to keys will prevent this scenario.
At this point, a new SSH key will have been generated at the previously specified file path.
4. Add the new SSH key to the ssh-agent
The ssh-agent is another program that is part of the SSH toolsuite. The ssh-agent is responsible for holding private keys. Think of it like a keychain. In addition to holding private keys it also brokers requests to sign SSH requests with the private keys so that private keys are never passed around unsecurly.
Before adding the new SSH key to the ssh-agent first ensure the ssh-agent is running by executing:
Once the ssh-agent is running the following command will add the new SSH key to the local SSH agent.
The new SSH key is now registered and ready to use!
Generate an SSH Key on Windows
Windows environments do not have a standard default unix shell. External shell programs will need to be installed for to have a complete keygen experience. The most straight forward option is to utilize Git Bash. Once Git Bash is installed the same steps for Linux and Mac can be followed within the Git Bash shell.
Windows Linux Subsystem
Modern windows environments offer a windows linux subsystem. The windows linux subsystem offers a full linux shell within a traditional windows environment. If a linux subsystem is available the same steps previously discussed for Linux and Mac can be followed with in the windows linux subsystem.
Summary
SSH keys are used to authenticate secure connections. Following this guide, you will be able to create and start using an SSH key. Git is capable of using SSH keys instead of traditional password authentication when pushing or pulling to remote repositories. Modern hosted git solutions like Bitbucket support SSH key authentication.
- GitLab Tutorial
- GitLab Basics
- GitLab Users and Groups
- GitLab Issue Tracker
Ssh Public Key Example
- GitLab Instance Management
- GitLab Continuous Integration
- Selected Reading
Description
The SSH stands for Secure Shell or Secure Socket Shell used for managing the networks, operating systems and configurations and also authenticates to the GitLab server without using username and password each time. You can set the SSH keys to provide a reliable connection between the computer and GitLab. Generate rsa key cisco asa pro. Before generating ssh keygen, you need to have Git installed in your system.
Creating SSH Key
Step 1 − To create SSH key, open the command prompt and enter the command as shown below −
It will prompt for 'Enter file in which to save the key (//.ssh/id_rsa):', just type file name and press enter. Next a prompt to enter password shows 'Enter passphrase (empty for no passphrase):'. Enter some password and press enter. You will see the generated SSH key as shown in the below image −
Step 2 − Now login to your GitLab account and click on the Settings option.
Step 3 − To create SSH key, click on the SSH keys tab at left side of the menu.
Step 4 − Now go to C drive, you will see the file with .pub extension which was generated in the first step.
Step 5 − Next open the key.pub file, copy the SSH key and paste it in the highlighted Key box as shown in the below image −
Step 6 − Click on the Add Key button, to add SSH key to your GitLab. You will see the fingerprint (it is a short version of SSH key), title and created date as shown in the image below −