xkcdpass


Namexkcdpass JSON
Version 1.19.9 PyPI version JSON
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home_pagehttps://github.com/redacted/XKCD-password-generator
SummaryGenerate secure multiword passwords/passphrases, inspired by XKCD
upload_time2024-04-01 13:50:43
maintainerNone
docs_urlNone
authorSteven Tobin
requires_pythonNone
licenseBSD
keywords
VCS
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requirements No requirements were recorded.
Travis-CI No Travis.
coveralls test coverage No coveralls.
            xkcdpass
========

.. image:: https://badges.gitter.im/Join%20Chat.svg
   :alt: Join the chat at https://gitter.im/redacted/XKCD-password-generator
   :target: https://gitter.im/redacted/XKCD-password-generator?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge

A flexible and scriptable password generator which generates strong passphrases, inspired by `XKCD 936 <http://xkcd.com/936/>`_::

    $ xkcdpass
    > correct horse battery staple

.. image:: http://imgs.xkcd.com/comics/password_strength.png



Install
=======

``xkcdpass`` can be easily installed using pip::

    pip install xkcdpass

or manually::

    python setup.py install



Source
~~~~~~
The latest development version can be found on github: https://github.com/redacted/XKCD-password-generator

Contributions welcome and gratefully appreciated!



Requirements
============

Python 2 (version 2.7 or later), or Python 3 (version 3.4 or later). Running module unit tests on Python 2 requires ``mock`` to be installed.



Running ``xkcdpass``
====================

``xkcdpass`` can be called with no arguments::

    $ xkcdpass
    > pinball previous deprive militancy bereaved numeric

which returns a single password, using the default dictionary and default settings. Or you can mix whatever arguments you want::

    $ xkcdpass --count=5 --acrostic='chaos' --delimiter='|' --min=5 --max=6 --valid-chars='[a-z]'
    > collar|highly|asset|ovoid|sultan
    > caper|hangup|addle|oboist|scroll
    > couple|honcho|abbot|obtain|simple
    > cutler|hotly|aortae|outset|stool
    > cradle|helot|axial|ordure|shale

which returns

* ``--count=5``   5 passwords to choose from
* ``--acrostic='chaos'``   the first letters of which spell 'chaos'
* ``--delimiter='|'``   joined using '|'
* ``--min=5 --max=6``  with words between 5 and 6 characters long
* ``--valid-chars='[a-z]'``   using only lower-case letters (via regex).


A concise overview of the available ``xkcdpass`` options can be accessed via::

    xkcdpass --help

    Usage: xkcdpass [options]

    Options:
        -h, --help
                                    show this help message and exit
        -w WORDFILE, --wordfile=WORDFILE
                                    Specify that the file WORDFILE contains the list of
                                    valid words from which to generate passphrases. Multiple 
                                    wordfiles can be provided, separated by commas.
                                    Provided wordfiles: eff-long (default), eff-short,
                                    eff-special, legacy, spa-mich (Spanish), fin-kotus (Finnish)
                                    ita-wiki (Italian), ger-anlx (German), nor-nb (Norwegian),
                                    fr-freelang (French), pt-ipublicis / pt-l33t-ipublicis (Portuguese)
                                    swe-short (Swedish)
        --min=MIN_LENGTH
                                    Minimum length of words to make password
        --max=MAX_LENGTH
                                    Maximum length of words to make password
        -n NUMWORDS, --numwords=NUMWORDS
                                    Number of words to make password
        -i, --interactive
                                    Interactively select a password
        -v VALID_CHARS, --valid-chars=VALID_CHARS
                                    Valid chars, using regexp style (e.g. '[a-z]')
        -V, --verbose
                                    Report various metrics for given options, including word list entropy
        -a ACROSTIC, --acrostic=ACROSTIC
                                    Acrostic to constrain word choices
        -c COUNT, --count=COUNT
                                    number of passwords to generate
        -d DELIM, --delimiter=DELIM
                                    separator character between words
        -R, --random-delimiters
                                    use randomised delimiters
        -D DELIMITERS, --valid-delimiters=DELIMETERS
                                    delimeters to choose from, used with -
        -s SEP, --separator SEP
                                    Separate generated passphrases with SEP.
        -C CASE, --case CASE  
                                    Choose the method for setting the case of each word in
                                    the passphrase. Choices: ['alternating', 'upper',
                                    'lower', 'random', 'capitalize', 'as-is'] (default: 'lower').
        --allow-weak-rng     
                                     Allow fallback to weak RNG if the system does not
                                    support cryptographically secure RNG. Only use this if
                                    you know what you are doing.


Word lists
==========

Several word lists are provided with the package. The default, `eff-long`, was specifically designed by the EFF for `passphrase generation  <https://www.eff.org/deeplinks/2016/07/new-wordlists-random-passphrases>`_ and is licensed under `CC BY 3.0 <https://creativecommons.org/licenses/by/3.0/us/>`_. As it was originally intended for use with Diceware ensure that the number of words in your passphrase is at least six when using it. Two shorter variants of that list, `eff-short` and `eff-special`, are also included. Please refer to the EFF documentation linked above for more information.

The original word list from `xkcdpass` versions earlier than 1.10.0 is also provided as a convenience, and is available under `legacy`. This word list is derived mechanically from `12Dicts <http://wordlist.aspell.net/12dicts/>`_ by Alan Beale. It is the understanding of the author of ``xkcdpass`` that purely mechanical transformation does not imbue copyright in the resulting work. The documentation for the 12Dicts project at
http://wordlist.aspell.net/12dicts/ contains the following dedication:

..

    The 12dicts lists were compiled by Alan Beale. I explicitly release them to the public domain, but request acknowledgment of their use.

Note that the generator can be used with any word file of the correct format: a file containing one 'word' per line.  

Additional languages
~~~~~~~~~~~~~~~~~~~~

- Spanish: a modifed version of archive.umich.edu in the `/linguistics` directory. It includes ~80k words. Less than 5 char. and latin-like words were deleted using regex. This list is public domain, see `here <http://www.umich.edu/~archive/linguistics/00readme.txt>`_.
- Finnish: a modified version of the Institute for the Languages of Finland `XML word list <http://kaino.kotus.fi/sanat/nykysuomi/>`_. Profanities and expressions containing spaces were removed using regex. The resulting list contains ~93k words. The list is published under GNU LGPL, EUPL 1.1 and CC-BY 3.0 licenses.
- Italian: generated from dumps of the Italian-language Wikipedia, which is released under the Creative Commons Attribution-Share-Alike 3.0 licence.
- German (ger-anlx): based on `this GPL v3 list <https://github.com/dassencio/langcmp/blob/master/wordlists/top10000de.txt>`_. Single and double character words have been removed.
- German (eff_large_de_sample.wordlist): based on `this public domain dictionary <https://sourceforge.net/projects/germandict/>`_. Converted to UTF-8 and randomly sampled to reduce file size. 
- Norwegian: a modified version of `Norsk Ordbank in Norwegian Bokmål 2005 <https://www.nb.no/sprakbanken/show?serial=oai%3Anb.no%3Asbr-5&lang=en>`_, 2018-06-28 update, which is released under the `CC-BY 4.0 license <https://creativecommons.org/licenses/by/4.0/>`_. Regex has been used to alter the list for cleanup and removal of words with impractical characters. The resulting list contains ~137k words.
- French: One cleaned version of `this list <https://packetstormsecurity.com/files/download/32007/french.gz>`_ (public domain), and one filtered to remove potentially offensive words.
- Portuguese: Converted variant of the LibreOffice / Firefox Portuguese dictionary (from `this link <https://raw.githubusercontent.com/titoBouzout/Dictionaries/master/Portuguese%20(European).dic>`_. GPL and BSD licenced.
- Swedish: a modified version of `Martin Lindhe's Swedish word list <https://github.com/martinlindhe/wordlist_swedish>`_ (MIT license). Modifications also released under MIT license.

Additional language word lists are always welcome!

Using xkcdpass as an imported module
====================================

The built-in functionality of ``xkcdpass`` can be extended by importing the module into python scripts. An example of this usage is provided in `example_import.py <https://github.com/redacted/XKCD-password-generator/blob/master/examples/example_import.py>`_, which randomly capitalises the letters in a generated password. `example_json.py` demonstrates integration of xkcdpass into a Django project, generating password suggestions as JSON to be consumed by a Javascript front-end.

A simple use of import::

    from xkcdpass import xkcd_password as xp

    # create a wordlist from the default wordfile
    # use words between 5 and 8 letters long
    wordfile = xp.locate_wordfile()
    mywords = xp.generate_wordlist(wordfile=wordfile, min_length=5, max_length=8)

    # create a password with the acrostic "face"
    print(xp.generate_xkcdpassword(mywords, acrostic="face"))

When used as an imported module, `generate_wordlist()` takes the following args (defaults shown)::

    wordfile=None,
    min_length=5,
    max_length=9,
    valid_chars='.'

While `generate_xkcdpassword()` takes::

    wordlist,
    numwords=6,
    interactive=False,
    acrostic=False,
    delimiter=" "


Insecure random number generators
=================================
`xkcdpass` uses crytographically strong random number generators where possible (provided by `random.SystemRandom()` on most modern operating systems). From version 1.7.0 falling back to an insecure RNG must be explicitly enabled, either by using a new command line variable before running the script::

    xkcdpass --allow-weak-rng

or setting the appropriate environment variable::

    export XKCDPASS_ALLOW_WEAKRNG=1


Changelog
=========
- **1.19.9** Remove usage of deprecated `assertEquals` in tests
- **1.19.8** Enables `python -m xkcdpass` usage
- **1.19.7** Adds Swedish wordlist, improvements to test suite, improvements to setup.py (excludes examples from install) 
- **1.19.6** Fixes randomly failing unit test
- **1.19.5** Adds "as-is" option for case
- **1.19.4** Makes randomised delimiters behavior consistent with fixed delimeters
- **1.19.3** Restore a randomly sampled version of eff_large_de wordlist 
- **1.19.2** Reduction in install size
- **1.19.1** Improvements to help text, handle rare case where arguments lead to empty wordlist
- **1.19.0** Initial support for multiple wordfiles
- **1.18.2** fixes for README
- **1.18.0** Added randomised delimiters
- **1.17.6** Bugfixes
- **1.17.5** Bugfixes
- **1.17.4** Improvements to French dictionary
- **1.17.3** Updated license and supported versions
- **1.17.2** Compatibility fix for 2.x/3.x 
- **1.17.1** Fix issue with README and unicode encoding
- **1.17.0** Add French, Norwegian, and Portuguese dictionaries. Bugfixes and improvements to tests (WIP).

License
=======
This is free software: you may copy, modify, and/or distribute this work under the terms of the BSD 3-Clause license.
See the file ``LICENSE.BSD`` for details.

            

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    "description": "xkcdpass\n========\n\n.. image:: https://badges.gitter.im/Join%20Chat.svg\n   :alt: Join the chat at https://gitter.im/redacted/XKCD-password-generator\n   :target: https://gitter.im/redacted/XKCD-password-generator?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge\n\nA flexible and scriptable password generator which generates strong passphrases, inspired by `XKCD 936 <http://xkcd.com/936/>`_::\n\n    $ xkcdpass\n    > correct horse battery staple\n\n.. image:: http://imgs.xkcd.com/comics/password_strength.png\n\n\n\nInstall\n=======\n\n``xkcdpass`` can be easily installed using pip::\n\n    pip install xkcdpass\n\nor manually::\n\n    python setup.py install\n\n\n\nSource\n~~~~~~\nThe latest development version can be found on github: https://github.com/redacted/XKCD-password-generator\n\nContributions welcome and gratefully appreciated!\n\n\n\nRequirements\n============\n\nPython 2 (version 2.7 or later), or Python 3 (version 3.4 or later). Running module unit tests on Python 2 requires ``mock`` to be installed.\n\n\n\nRunning ``xkcdpass``\n====================\n\n``xkcdpass`` can be called with no arguments::\n\n    $ xkcdpass\n    > pinball previous deprive militancy bereaved numeric\n\nwhich returns a single password, using the default dictionary and default settings. Or you can mix whatever arguments you want::\n\n    $ xkcdpass --count=5 --acrostic='chaos' --delimiter='|' --min=5 --max=6 --valid-chars='[a-z]'\n    > collar|highly|asset|ovoid|sultan\n    > caper|hangup|addle|oboist|scroll\n    > couple|honcho|abbot|obtain|simple\n    > cutler|hotly|aortae|outset|stool\n    > cradle|helot|axial|ordure|shale\n\nwhich returns\n\n* ``--count=5``   5 passwords to choose from\n* ``--acrostic='chaos'``   the first letters of which spell 'chaos'\n* ``--delimiter='|'``   joined using '|'\n* ``--min=5 --max=6``  with words between 5 and 6 characters long\n* ``--valid-chars='[a-z]'``   using only lower-case letters (via regex).\n\n\nA concise overview of the available ``xkcdpass`` options can be accessed via::\n\n    xkcdpass --help\n\n    Usage: xkcdpass [options]\n\n    Options:\n        -h, --help\n                                    show this help message and exit\n        -w WORDFILE, --wordfile=WORDFILE\n                                    Specify that the file WORDFILE contains the list of\n                                    valid words from which to generate passphrases. Multiple \n                                    wordfiles can be provided, separated by commas.\n                                    Provided wordfiles: eff-long (default), eff-short,\n                                    eff-special, legacy, spa-mich (Spanish), fin-kotus (Finnish)\n                                    ita-wiki (Italian), ger-anlx (German), nor-nb (Norwegian),\n                                    fr-freelang (French), pt-ipublicis / pt-l33t-ipublicis (Portuguese)\n                                    swe-short (Swedish)\n        --min=MIN_LENGTH\n                                    Minimum length of words to make password\n        --max=MAX_LENGTH\n                                    Maximum length of words to make password\n        -n NUMWORDS, --numwords=NUMWORDS\n                                    Number of words to make password\n        -i, --interactive\n                                    Interactively select a password\n        -v VALID_CHARS, --valid-chars=VALID_CHARS\n                                    Valid chars, using regexp style (e.g. '[a-z]')\n        -V, --verbose\n                                    Report various metrics for given options, including word list entropy\n        -a ACROSTIC, --acrostic=ACROSTIC\n                                    Acrostic to constrain word choices\n        -c COUNT, --count=COUNT\n                                    number of passwords to generate\n        -d DELIM, --delimiter=DELIM\n                                    separator character between words\n        -R, --random-delimiters\n                                    use randomised delimiters\n        -D DELIMITERS, --valid-delimiters=DELIMETERS\n                                    delimeters to choose from, used with -\n        -s SEP, --separator SEP\n                                    Separate generated passphrases with SEP.\n        -C CASE, --case CASE  \n                                    Choose the method for setting the case of each word in\n                                    the passphrase. Choices: ['alternating', 'upper',\n                                    'lower', 'random', 'capitalize', 'as-is'] (default: 'lower').\n        --allow-weak-rng     \n                                     Allow fallback to weak RNG if the system does not\n                                    support cryptographically secure RNG. Only use this if\n                                    you know what you are doing.\n\n\nWord lists\n==========\n\nSeveral word lists are provided with the package. The default, `eff-long`, was specifically designed by the EFF for `passphrase generation  <https://www.eff.org/deeplinks/2016/07/new-wordlists-random-passphrases>`_ and is licensed under `CC BY 3.0 <https://creativecommons.org/licenses/by/3.0/us/>`_. As it was originally intended for use with Diceware ensure that the number of words in your passphrase is at least six when using it. Two shorter variants of that list, `eff-short` and `eff-special`, are also included. Please refer to the EFF documentation linked above for more information.\n\nThe original word list from `xkcdpass` versions earlier than 1.10.0 is also provided as a convenience, and is available under `legacy`. This word list is derived mechanically from `12Dicts <http://wordlist.aspell.net/12dicts/>`_ by Alan Beale. It is the understanding of the author of ``xkcdpass`` that purely mechanical transformation does not imbue copyright in the resulting work. The documentation for the 12Dicts project at\nhttp://wordlist.aspell.net/12dicts/ contains the following dedication:\n\n..\n\n    The 12dicts lists were compiled by Alan Beale. I explicitly release them to the public domain, but request acknowledgment of their use.\n\nNote that the generator can be used with any word file of the correct format: a file containing one 'word' per line.  \n\nAdditional languages\n~~~~~~~~~~~~~~~~~~~~\n\n- Spanish: a modifed version of archive.umich.edu in the `/linguistics` directory. It includes ~80k words. Less than 5 char. and latin-like words were deleted using regex. This list is public domain, see `here <http://www.umich.edu/~archive/linguistics/00readme.txt>`_.\n- Finnish: a modified version of the Institute for the Languages of Finland `XML word list <http://kaino.kotus.fi/sanat/nykysuomi/>`_. Profanities and expressions containing spaces were removed using regex. The resulting list contains ~93k words. The list is published under GNU LGPL, EUPL 1.1 and CC-BY 3.0 licenses.\n- Italian: generated from dumps of the Italian-language Wikipedia, which is released under the Creative Commons Attribution-Share-Alike 3.0 licence.\n- German (ger-anlx): based on `this GPL v3 list <https://github.com/dassencio/langcmp/blob/master/wordlists/top10000de.txt>`_. Single and double character words have been removed.\n- German (eff_large_de_sample.wordlist): based on `this public domain dictionary <https://sourceforge.net/projects/germandict/>`_. Converted to UTF-8 and randomly sampled to reduce file size. \n- Norwegian: a modified version of `Norsk Ordbank in Norwegian Bokm\u00e5l 2005 <https://www.nb.no/sprakbanken/show?serial=oai%3Anb.no%3Asbr-5&lang=en>`_, 2018-06-28 update, which is released under the `CC-BY 4.0 license <https://creativecommons.org/licenses/by/4.0/>`_. Regex has been used to alter the list for cleanup and removal of words with impractical characters. The resulting list contains ~137k words.\n- French: One cleaned version of `this list <https://packetstormsecurity.com/files/download/32007/french.gz>`_ (public domain), and one filtered to remove potentially offensive words.\n- Portuguese: Converted variant of the LibreOffice / Firefox Portuguese dictionary (from `this link <https://raw.githubusercontent.com/titoBouzout/Dictionaries/master/Portuguese%20(European).dic>`_. GPL and BSD licenced.\n- Swedish: a modified version of `Martin Lindhe's Swedish word list <https://github.com/martinlindhe/wordlist_swedish>`_ (MIT license). Modifications also released under MIT license.\n\nAdditional language word lists are always welcome!\n\nUsing xkcdpass as an imported module\n====================================\n\nThe built-in functionality of ``xkcdpass`` can be extended by importing the module into python scripts. An example of this usage is provided in `example_import.py <https://github.com/redacted/XKCD-password-generator/blob/master/examples/example_import.py>`_, which randomly capitalises the letters in a generated password. `example_json.py` demonstrates integration of xkcdpass into a Django project, generating password suggestions as JSON to be consumed by a Javascript front-end.\n\nA simple use of import::\n\n    from xkcdpass import xkcd_password as xp\n\n    # create a wordlist from the default wordfile\n    # use words between 5 and 8 letters long\n    wordfile = xp.locate_wordfile()\n    mywords = xp.generate_wordlist(wordfile=wordfile, min_length=5, max_length=8)\n\n    # create a password with the acrostic \"face\"\n    print(xp.generate_xkcdpassword(mywords, acrostic=\"face\"))\n\nWhen used as an imported module, `generate_wordlist()` takes the following args (defaults shown)::\n\n    wordfile=None,\n    min_length=5,\n    max_length=9,\n    valid_chars='.'\n\nWhile `generate_xkcdpassword()` takes::\n\n    wordlist,\n    numwords=6,\n    interactive=False,\n    acrostic=False,\n    delimiter=\" \"\n\n\nInsecure random number generators\n=================================\n`xkcdpass` uses crytographically strong random number generators where possible (provided by `random.SystemRandom()` on most modern operating systems). From version 1.7.0 falling back to an insecure RNG must be explicitly enabled, either by using a new command line variable before running the script::\n\n    xkcdpass --allow-weak-rng\n\nor setting the appropriate environment variable::\n\n    export XKCDPASS_ALLOW_WEAKRNG=1\n\n\nChangelog\n=========\n- **1.19.9** Remove usage of deprecated `assertEquals` in tests\n- **1.19.8** Enables `python -m xkcdpass` usage\n- **1.19.7** Adds Swedish wordlist, improvements to test suite, improvements to setup.py (excludes examples from install) \n- **1.19.6** Fixes randomly failing unit test\n- **1.19.5** Adds \"as-is\" option for case\n- **1.19.4** Makes randomised delimiters behavior consistent with fixed delimeters\n- **1.19.3** Restore a randomly sampled version of eff_large_de wordlist \n- **1.19.2** Reduction in install size\n- **1.19.1** Improvements to help text, handle rare case where arguments lead to empty wordlist\n- **1.19.0** Initial support for multiple wordfiles\n- **1.18.2** fixes for README\n- **1.18.0** Added randomised delimiters\n- **1.17.6** Bugfixes\n- **1.17.5** Bugfixes\n- **1.17.4** Improvements to French dictionary\n- **1.17.3** Updated license and supported versions\n- **1.17.2** Compatibility fix for 2.x/3.x \n- **1.17.1** Fix issue with README and unicode encoding\n- **1.17.0** Add French, Norwegian, and Portuguese dictionaries. Bugfixes and improvements to tests (WIP).\n\nLicense\n=======\nThis is free software: you may copy, modify, and/or distribute this work under the terms of the BSD 3-Clause license.\nSee the file ``LICENSE.BSD`` for details.\n",
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