dropbearkey

Generate SSH keys in Dropbear format. More information: https://manned.org/dropbearkey.1.

dropbearkey -t ed25519 -f path/to/key_file

dropbearkey -t ecdsa -f path/to/key_file

dropbearkey -t rsa -s 4096 -f path/to/key_file

dropbearkey -y -f path/to/key_file