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Man Pages


Manual Reference Pages  -  DROPBEARKEY (1)

NAME

dropbearkey - create private keys for the use with dropbear(8) or dbclient(1)

CONTENTS

Synopsis
Description
Options
Notes
Example
Author
See Also

SYNOPSIS

dropbearkey -t type -f file [-s bits] [-y]

DESCRIPTION

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.

OPTIONS

-t type Type of key to generate. Must be one of rsa ecdsa or dss.
-f file Write the secret key to the file file. For client authentication ~/.ssh/id_dropbear is loaded by default
-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.

NOTES

The program dropbearconvert(1) can be used to convert between Dropbear and OpenSSH key formats.

Dropbear does not support encrypted keys.

EXAMPLE

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

AUTHOR

Matt Johnston (matt@ucc.asn.au).
Gerrit Pape (pape@smarden.org) wrote this manual page.

SEE ALSO

dropbear(8), dbclient(1), dropbearconvert(1)

https://matt.ucc.asn.au/dropbear/dropbear.html

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