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        "author": "Jack Grigg",
        "author_email": "str4d@i2pmail.org",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 2 - Pre-Alpha",
            "Framework :: Twisted",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Operating System :: OS Independent",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3.5",
            "Topic :: Security"
        ],
        "description": "========\npartysig\n========\n\nA command-line tool for creating and verifying distributed multi-party signatures.\n\nInstallation\n============\n\n::\n\n    $ virtualenv env\n    $ . env/bin/activate\n    $ pip install -e .\n\nUsage\n=====\n\nKey generation\n--------------\n\nOn one machine, run::\n\n    $ partysig keygen start\n\nOn the other machines, run::\n\n    $ partysig keygen join\n\nSigning\n-------\n\nOn the machine with the file to sign, run::\n\n    $ partysig sign start FILE\n\nOn the other machines, run::\n\n    $ partysig sign join\n\nVerifying signatures\n--------------------\n\nRun::\n\n    $ partysig verify FILE SIGNATURE\n\nDesign\n======\n\nThe current signature version (v1) implements Bitcoin-style multi-sig, where the overall\nmultisignature contains:\n\n- The number of signatures required for the multisignature to be valid\n- The public keys allowed to create signatures\n- Signatures from a subset of those keys\n\nThe first two parts together are equivalent to a Bitcoin script, and are similarly hashed\nto get the \"master key\" for the multi-party signature group. Ed25519 is used for the\nindividual signatures, and BLAKE2b is used for creating the master key.\n\nSignature format\n----------------\n\n::\n\n    Version    (1-byte uint)     \\\n    Threshold  (1-byte uint)      |_ Hashed to obtain\n    Size       (1-byte uint)      |  the master key\n    Pubkeys    (32 x size bytes) /\n    Signatures (64 x threshold bytes)\n\nAcknowledgements\n================\n\n- `Joanna Rutkowska`_ asked `the question`_ that prompted the creation of this tool.\n- `Brian Warner`_ wrote `Magic Wormhole`_, which is a key component to this tool's usability.\n\n.. _`Joanna Rutkowska`: https://blog.invisiblethings.org/\n.. _`the question`: https://twitter.com/rootkovska/status/806553962770006019\n.. _`Brian Warner`: http://www.lothar.com/\n.. _`Magic Wormhole`: https://github.com/warner/magic-wormhole",
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        "keywords": null,
        "license": "MIT",
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        "name": "partysig",
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