Github Mac Generate Ssh Key

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Dec 20, 2015  Create an SSH Public Key for GitHub on Mac / Linux devel.tech. How to Set Up an SSH Key to GitHub on Mac - Duration. Eliminate Password on git push by Generating SSH keys for Github. After you have successfully installed Git on Mac, you’ll need to provide secure communication with your Git repositories by creating and installing SSH keys. Creating SSH keys on Mac To communicate with the remote Git repository in your Beanstalk account from your Mac, you will need to generate an SSH key pair for that computer. If you don't already have an SSH key, you must generate a new SSH key.If you're unsure whether you already have an SSH key, check for existing keys. If you don't want to reenter your passphrase every time you use your SSH key, you can add your key to the SSH agent, which manages your SSH keys and remembers your passphrase. This page describes how to create SSH keys. SSH keys can be used to establish a secure connection with Bitbucket Server for: when you are performing Git operations from your local machine; when another system or process needs access to repositories in Bitbucket Server (for example your build server). May 20, 2019  SSH (Windows) Windows 10 version 1803 and later come with the Secure Shell (SSH) client as an optional feature installed at C:Windowssystem32openssh.If you have ssh.exe and ssh-keygen.exe there, skip forward to Generate SSH key (Windows). Download the latest OpenSSH-Win64.zip file from Win32-OpenSSH releases; Extract it to the same c:tools. If you don't have an existing public and private key pair, or don't wish to use any that are available to connect to GitHub, then generate a new SSH key. If you see an existing public and private key pair listed (for example idrsa.pub and idrsa) that you would like to use to connect to GitHub, you can add your SSH key to the ssh-agent.

After you've checked for existing SSH keys, you can generate a new SSH key to use for authentication, then add it to the ssh-agent.

In this article

If you don't already have an SSH key, you must generate a new SSH key. If you're unsure whether you already have an SSH key, check for existing keys.

If you don't want to reenter your passphrase every time you use your SSH key, you can add your key to the SSH agent, which manages your SSH keys and remembers your passphrase.

Generating a new SSH key

  1. Open TerminalTerminalGit Bash.

  2. Paste the text below, substituting in your GitHub Enterprise email address.

    This creates a new ssh key, using the provided email as a label.

  3. When you're prompted to 'Enter a file in which to save the key,' press Enter. This accepts the default file location.

  4. At the prompt, type a secure passphrase. For more information, see 'Working with SSH key passphrases'.

Adding your SSH key to the ssh-agent

Before adding a new SSH key to the ssh-agent to manage your keys, you should have checked for existing SSH keys and generated a new SSH key. When adding your SSH key to the agent, use the default macOS ssh-add command, and not an application installed by macports, homebrew, or some other external source.

  1. Start the ssh-agent in the background.

  2. If you're using macOS Sierra 10.12.2 or later, you will need to modify your ~/.ssh/config file to automatically load keys into the ssh-agent and store passphrases in your keychain.

  3. Add your SSH private key to the ssh-agent and store your passphrase in the keychain. /generate-rsa-private-key-c.html. If you created your key with a different name, or if you are adding an existing key that has a different name, replace id_rsa in the command with the name of your private key file.

    Note: The -K option is Apple's standard version of ssh-add, which stores the passphrase in your keychain for you when you add an ssh key to the ssh-agent.

    If you don't have Apple's standard version installed, you may receive an error. For more information on resolving this error, see 'Error: ssh-add: illegal option -- K.'

  4. Add the SSH key to your GitHub account.

If you have GitHub Desktop installed, you can use it to clone repositories and not deal with SSH keys. It also comes with the Git Bash tool, which is the preferred way of running git commands on Windows.

  1. Ensure the ssh-agent is running:

    • If you are using the Git Shell that's installed with GitHub Desktop, the ssh-agent should be running.
    • If you are using another terminal prompt, such as Git for Windows, you can use the 'Auto-launching the ssh-agent' instructions in 'Working with SSH key passphrases', or start it manually:

  2. Add your SSH private key to the ssh-agent. If you created your key with a different name, or if you are adding an existing key that has a different name, replace id_rsa in the command with the name of your private key file.

  3. Add the SSH key to your GitHub account.

  1. Start the ssh-agent in the background.

  2. Add your SSH private key to the ssh-agent. If you created your key with a different name, or if you are adding an existing key that has a different name, replace id_rsa in the command with the name of your private key file.

  3. Add the SSH key to your GitHub account.

Further reading

  • 'About SSH'
  • 'Working with SSH key passphrases'
ssh-keygen.sh
#! /bin/bash
# Use Examples
# ./ssh-keygen Additional comments
# ./ssh-keygen '(Work)'
ROUNDS=100
ifhash networksetup 2>/dev/null;then
# Mac only: Computer Name
COMMENT='$(networksetup -getcomputername)$@'
else
COMMENT='$@'
fi
# remove leading and trailing spaces
COMMENT='$(echo '$COMMENT' sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')'
echo'-----> Generating SSH Keys ($COMMENT)'
if [ !-f~/.ssh/id_rsa ];then
echo -e 'yn'ssh-keygen -q -t rsa -b 4096 -o -a ${ROUNDS} -N '' -C '$COMMENT' -f ~/.ssh/id_rsa
ssh-add ~/.ssh/id_rsa
echo'~/.ssh/id_rsa'
else
echo'~/.ssh/id_rsa Skipped!'
fi
if [ !-f~/.ssh/id_ecdsa ];then
echo -e 'yn'ssh-keygen -q -t ecdsa -b 521 -o -a ${ROUNDS} -N '' -C '$COMMENT' -f ~/.ssh/id_ecdsa
ssh-add ~/.ssh/id_ecdsa
echo'~/.ssh/id_ecdsa'
else
echo'~/.ssh/id_ecdsa Skipped!'
fi
if [ !-f~/.ssh/id_ed25519 ];then
echo -e 'yn'ssh-keygen -q -t ed25519 -o -a ${ROUNDS} -N '' -C '$COMMENT' -f ~/.ssh/id_ed25519
ssh-add ~/.ssh/id_ed25519
echo'~/.ssh/id_ed25519'
else
echo'~/.ssh/id_ed25519 Skipped!'
fi
echo'-----> Generating Secure Enclave Key ($COMMENT)'
ifhash sekey 2>/dev/null;then
if [ !-f~/.ssh/id_ecdsa256.pub ];then
sekey --generate-keypair '$COMMENT'
keyline=$(sekey --list-keys grep '$COMMENT')
keyarr=($keyline)
keyarrlen=${#keyarr[@]}
key=${keyarr[((keyarrlen-2))]}
echo$key
sekey --export-key $key>~/.ssh/id_ecdsa256.pub
echo'~/.ssh/id_ecdsa256.pub (Private key is stored in the Secure Enclave)'
else
echo'~/.ssh/id_ecdsa256 (Secure Enclave) Skipped!'
fi
else
echo'SeKey not installed. (https://github.com/ntrippar/sekey)'
echo'1. Ensure you have TouchId built-in to your Mac'
echo'2. $ brew cask install sekey'
fi
echo'Done!'

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