Ed25519
Page content
like ssh and secure keys ?
Generate Secure Key
ssh-keygen -o -a 100 -t ed25519 -C "MyFamousComment"
ssh-keygen -o -a 100 -t ed25519 -C "`whoami`@`hostname`@`date \"+%Y-%m-%d@%H:%M\"`"
What is ed25519
Distribute Key
ssh-copy-id user@remote-server-ip-or-dns-name
Connect to Remote
Connect to Remove without Agent Forwarding (use this unless you know what you’re dooing …)
ssh -a ip-or-hostname
Connect with Agent Forwarding
or if you need Agent Forwarding
ssh -A ip-or-hostname
Confirm Agent Forwarding
to confirm if agent forwarding is working, you can check your environment:
boss ~$ env |grep SSH
SSH_TTY=/dev/ttyp0
SSH_AUTH_SOCK=/tmp/ssh-sx8jqoWoD7/agent.10207
SSH_CONNECTION=192.168.2 55484 192.168.1.1 22
SSH_CLIENT=192.168.108.2 55484 22
Check if Passphrase is set
$ ssh-keygen -y -f .ssh/id_ed25519
Change Passphrase
$ ssh-keygen -p -f .ssh/id_ed25519
Enter old passphrase:
Enter new passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved with the new passphrase.
sha256: 3cc4aaec47bbbb8b902d8aa5089b4969197b6ece06a87d540e71641194b9c546