dropbearkey

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

• Generate an SSH key of [t]ype ed25519 and write it to key [f]ile:

dropbearkey -t ed25519 -f path/to/key_file

• Generate an SSH key of [t]ype ecdsa and write it to key [f]ile:

dropbearkey -t ecdsa -f path/to/key_file

• Generate an SSH key of [t]ype RSA with 4096-bit key [s]ize and write it to key [f]ile:

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

• Print the private key fingerprint and public key in key [f]ile:

dropbearkey -y -f path/to/key_file