nichtsundniemand / gnome-keyring-decryptor

This repository contains a simple utility to decode and decrypt the `.keystore`-files used by the `gnome-keyring` utility and daemon.

gnome-keyring-decryptor

This repository contains a simple utility to decode and decrypt the .keystore-files used by the gnome-keyring utility and daemon.

The decrypted keystore's contents are then output in JSON format.

I am really surprised this didn't exist. There is a keyring-dump utility in the gnome-keyring-repo, but since the output-format of that utility is not really suitable for further processing, I decided to create this tool.

Building & Hacking

This project is built using meson, so you will need that. In order to use meson you will also need a build-backend. I simply use ninja which is the default.

The provided nix-flake will yield a dev-environment containing all the necessary dependencies, so using it is recommended.

Since this project also includes an .envrc using nix-direnv for use with the provided flake, I strongly recommend setting up direnv as well.

Build depencies:

• docopt.c: For generating the argument parser in accordance with the docopt-specification.

  Meson needs to be able to find this in your Python's search-path.

To build this project simply follow the usual meson-procedure:

$ meson setuo build
$ ninja -C build

Afterwards, if everything went well, the executable can be found under build/gnome-keyring-decryptor.

Usage

To use this tool simply call gnome-keyring-decryptor <keyring> with <keyring> being the path to the keyring-file on the command line.

The contents of the keyring will then be output on stdout.

References

• The file format is documented in the gnome-keyring-repository under docs/file-format.txt.

  A copy of that file can be found in this repository - also under docs/file-format.txt - in case the upstream version gets removed or moved in any way.

• This tool is - in general - inspired by/copied from the aforementioned tool in the gnome-keyring-repo: dump-keyring0-format.c

gnome-keyring in general and the dump-utility as well as the file format documentation specifically are licensed under the GNU General Public License Version 2.

License

This file is part of gnome-keyring-decryptor.

gnome-keyring-decryptor is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

gnome-keyring-decryptor is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with gnome-keyring-decryptor. If not, see https://www.gnu.org/licenses/.

Copyright 2023 Rufus Maurice Schäfing (wirklichniemand, nichtsundniemand)