ssh-keygen - Generate a New SSH Key

Created: 2020-12-23T16:25:22-06:00

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ssh-keygen -t ecdsa -b 521
ssh-keygen -t rsa -b 4096
ssh-keygen -t ed25519
ssh-keygen -t dsa

• ecdsa: Elliptic curve. Supposde to be strong but *might* be spooked by NIST.
• ed25519: More recently added by OpenSSH. May not be available.
• rsa: Standard but old. Use if you have to.
• dsa: Broken. Don't use if you can avoid it.