Generate a key
Create an ed25519 key pair on macOS, Linux, or Windows and find the public half you paste into Superheat.
Add a key
Paste your public key into the console before you deploy — the key is installed while the instance is created and cannot be added later.
Supported key types
The exact list of public key algorithms Superheat accepts, how SHA256 fingerprints work, and why ed25519 is the right default.