A Python implementation of minilock.io, plus some additional features.
by Cathal Garvey, Copyright 2014, proudly licensed under the GNU Affero General Public License
miniLock ID: JjmYYngs7akLZUjkvFkuYdsZ3PyPHSZRBKNm6qTYKZfAM
Go to minilock.io to learn more about miniLock. deadlock is an implementation of the miniLock protocol, and as such it is compatible with miniLock. You can send and receive files from people using miniLock without having to install Chrome (closed source, spyware-rich browser) or Chromium (technically open source but by-default-still-pretty-invasive browser).
In addition to the base function of sending and receiving miniLock’d files, which ought to be secure against snooping eyes on the wire and to provide you and your loved/liked/other ones with a measure of deserved human privacy, deadlock comes with some other features you might like:
Auto-zipping of directories when encrypting, making it easy to send folders to friends.
Fast underlying C implementations of core miniLock algorithms.
Written for ease of use as a Python module, not only as a standalone application.
No browser, easily scripted, automated or pipelined.
“Petnames” allowing you to save IDs as easily-memorable friend names or emails
Highly insecure private key storage, allowing trivial encryption/decryption, including iterating through all local private keys and attempting decryption with each.
Early features for throwaway ultra-high-security addresses.
Early features for “vanity” addresses starting or ending in a chosen word (warning: may take until heat-death of the universe)
How do I install/use this?
deadlock is, at present, a Terminal only application, written in and for Python 3 (may only work on versions 3.3 and above; poorly tested). The best way to install it is to use pip:
sudo pip install deadlock
..provided that you have the necessary system-level dependencies (C compiler and supporting libraries), this ought to pull in the required cryptographic modules from PyPI and build them, then install deadlock.
Once installed, deadlock will be available as a Python module and also as a script, deadlock. Try deadlock --help for guidance on usage.
deadlock will probably work on any platform with a C compiler for the required modules, but I have no interest in supporting closed, spyware-rich operating systems like WinMac, so don’t ask. If it doesn’t work on those platforms, then you can always fix it and send me a pull request. I don’t accept pull requests for legacy support (e.g. Python versions prior to 3.2), sorry; the code gets too messy.
Who do I contact for support or to complain?
Nobody. This software is provided without warranty of any kind. It works, for me, and I’m pretty sure it’s secure, but I’m not going to certify it as such and you shouldn’t use it if you really need security to protect you from people with the means and motive to harm or imprison you.
Planned, desired or future features:
Tidier API for alternative uses of the miniLock encryption format, for P2P or mail client tie-in, or for RPC message passing.
Cleaner code structure; break lots of functionality out of crypto.py/core.py into a new utils.py file, make core.py “dumb glue code” only.
Fully integrate high-security keys and vanity keys, including multiprocessing for facilitating vanity key generation on multi-core machines. Estimated progress summaries for vanity key generation; time until statistically expected result, etc.
Pure-Python fallbacks for some cryptographic dependencies for platforms that pose a challenge to native C compilation; Android, embedded platforms, etc.
Not currently planned:
Contemplated adding extensions to the fileInfo dictionary within decryptInfo entries, but doing so would change the length of these entries which are at present highly predictable; this would mean that decryptInfo length could be used to infer which software was used to create a miniLock file, whether miniLock or deadlock. So, don’t suggest such features, as they would partially compromise anonymity.
Future versions of miniLock protocol ought to include a “mimeType” fileInfo key to hint to recipients whether a miniLock file is a plaintext item to be displayed, or a file to be saved; doing so would facilitate email integration of miniLock as a potential PGP successor. Again as above, such extensions would at present compromise anonymity somewhat.
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