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How to Generate a Public/Private KeyPair for Use With Solaris Secure Shell
Users must generate a public/private key pair when their site implementshost-based authentication or user public-key authentication. For additionaloptions, see the ssh-keygen(1) manpage.
Oct 05, 2007 ssh-keygen -p After this you will be prompted to enter the location of your private key and enter twice the new passphrase. If you don’t want a passphrase just enter empty one. Feel free to share your public key, as its name suggests, it should be public. Keep in mind that your private key should be kept private.
Before You Begin
How to Generate a Public/Private Key Pair for Use With Solaris Secure Shell. Users must generate a public/private key pair when their site implements host-based authentication or user public-key authentication. For additional options, see the ssh-keygen. How to generate SSH key pairs with Python. By running ssh-keygen -y -f /tmp/my.key /tmp/my.key.pub I can. Is there any way to generate public SSH key from.
Determine from your system administrator if host-based authenticationis configured.
- Start the key generation program.where -t is the type of algorithm, one of rsa, dsa, or rsa1.
- Specify the path to the file that will hold the key.Bydefault, the file name id_rsa, which represents an RSAv2 key, appears in parentheses. You can select this file by pressing the Return key. Or, you can type an alternative file name.The file name of the public key is created automatically by appendingthe string .pub to the name of the private key file.
- Type a passphrase for using your key.This passphraseis used for encrypting your private key. A null entry is stronglydiscouraged. Note that the passphrase is not displayed when youtype it in.
- Retype the passphrase to confirm it.
- Check the results.Check that the path to the keyfile is correct.At this point, you have created a public/private key pair.
- Choose the appropriate option:
- If your administrator has configuredhost-based authentication, you might need to copy the local host's publickey to the remote host.You can now log in to the remote host.For details, see How to Log In to a Remote Host With Solaris Secure Shell.
- Type the command on one line with no backslash.
- When you are prompted, supply your login password.
- If your site uses user authentication with public keys, populateyour authorized_keys file on the remote host.
- Copy your public key to the remote host.Type thecommand on one line with no backslash.
- When you are prompted, supply your login password.Whenthe file is copied, the message “Key copied” is displayed.
- (Optional) Reduce the prompting for passphrases.For a procedure, see How to Reduce Password Prompts in Solaris Secure Shell. For more information, see the ssh-agent(1) and ssh-add(1) man pages.
Example 19–2 Establishing a v1 RSA Key for a User
Generate Public Private Key Pair Ssh Keygen Free
In the following example, the user cancontact hosts that run v1 of the Solaris Secure Shell protocol. To be authenticated by v1hosts, the user creates a v1 key, then copies the public key portion to theremote host.
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Lets say you have a private/public key pair that you use to login to your server via SSH and you lose the public key, either it was deleted or corrupt and you don’t want to have to regenerate a new pair what options do you have? In this post I will demonstrate how to regenerate a public key from the corresponding private key that you still have.
Generate public key and store into a file
It is a simple one liner command to generate a public key from a private key, so lets say our private key is named ‘[email protected]’ and we want to generate the public key and name it ‘authorized_keys’. Below is the command to do this.
Set proper permissions for public key
Lastly we will need to make sure our permissions are set properly on our public key to prevent anyone else tampering with it. We should give our key file RW, R, R permissions, below is the command to properly set permission on the key.