fzputtygen

SSH key generator and format converter

TLDR

Generate SSH key pair

$ fzputtygen -t [rsa] -o [key.ppk]

Convert OpenSSH to PuTTY format

$ fzputtygen [key] -o [key.ppk]

Export public key

$ fzputtygen [key.ppk] -L

Convert PuTTY to OpenSSH

$ fzputtygen [key.ppk] -O private-openssh -o [key]

Change passphrase

$ fzputtygen [key.ppk] -P

fzputtygen is FileZilla's key generator and converter based on PuTTYgen. It creates SSH keys and converts between PuTTY (.ppk) and OpenSSH formats.The tool generates RSA, DSA, ECDSA, and Ed25519 keys for SSH authentication. It handles format conversion needed when switching between PuTTY and OpenSSH clients.fzputtygen enables key management for FileZilla SFTP connections.

PARAMETERS

KEYFILE

Key file to process.

-t TYPE

Key type: rsa, dsa, ecdsa, ed25519.

-o FILE

Output file.

-O FORMAT

Output format.

-L

Output public key.

-P

Change passphrase.

--help

Display help information.

INSTALL

sudo apt install filezilla

sudo dnf install filezilla

sudo pacman -S filezilla

sudo apk add filezilla

sudo zypper install filezilla

nix profile install nixpkgs#filezilla

CAVEATS

PPK format not universal. Passphrase protection recommended. Key type support varies.

HISTORY

fzputtygen is adapted from PuTTYgen for use with FileZilla. It provides key generation and format conversion supporting FileZilla's SFTP functionality.