dropbearkey8

Usage

Overview

dropbearkey generates a RSA or DSS format SSH private key, and saves it to a file for the use with the dropbear(8) SSH 2 server. Note that some SSH implementations use the term "DSA" rather than "DSS", they mean the same thing.

Options

-t type

Type of key to generate. Must be one of rsa or dss.

-f file

Write the secret key to the file file.

-s bits

Set the key size to bits bits, should be multiple of 8 (optional).

-y

Just print the publickey and fingerprint for the private key in file.

Examples

generate a host-key:
# dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key

extract a public key suitable for authorized_keys from private key:
# dropbearkey -y -f id_rsa | grep "^ssh-rsa " >> authorized_keys