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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}}