This is the command dropbearkey that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
dropbearkey - create private keys for the use with dropbear(8) or dbclient(1)
dropbearkey -t type -f file [-s bits] [-y]
dropbearkey generates a RSA, DSS, or ECDSA format SSH private key, and saves it to a file
for the use with the Dropbear client or server. Note that some SSH implementations use
the term "DSA" rather than "DSS", they mean the same thing.
Type of key to generate. Must be one of rsa ecdsa or dss.
Write the secret key to the file file. For client authentication ~/.ssh/id_dropbear
is loaded by default
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.
The program dropbearconvert(1) can be used to convert between Dropbear and OpenSSH key
Dropbear does not support encrypted keys.
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
Use dropbearkey online using onworks.net services