tldr/pages/linux/dropbearkey.md

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# 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}}`