[change ssh keyfile password] #ssh #security #password #SecurityTheater

change-ssh-keyfile-password.md

Change ssh keyfile password

WARNING

SSH keyfile passwords are very insecure. They can be cracked in 30 minutes.

1. The default OpenSSH key encryption is worse than plaintext
2. How long would it take to crack your [SSH keyfile] password?

Never reuse your password

Change default keyfile password

ssh-keygen -p

# leave empty to remove password

Change specific keyfile password

ssh-keygen -p [-f ~/.ssh/id_dsa]

# leave empty to remove password