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Project Description

hex2words

hex2words is a command-line python program to convert hexadecimal numbers (e.g. file hashes, GPG keys fingerprints, etc.) into a list of PGP words.

These PGP words can be used then to check if fingerprints or hashes match via a phone line or just reading them aloud to your workmates.

PGP words

PGP words are words chosen in a way that they sound very different to each other. Each number between 0 and 255 has two equivalent words, for example 0x12 has atlas and backwater.

If the byte 0x12 is in even order (2nd position, 4th, etc.) will be translated to atlas, if it is in odd order, it will be translated to backwater. In this way, if you have a number like 0x1212 you will get two different words: atlas backwater, instead of twice the same word, which prevents some mistakes of being done via a phone conversation.

hex2words for nodejs

This hex2words is a library for npm, in case you are interested in NodeJS. Not mine.

Using hex2words

Installing hex2words

$ pip install hex2words

Simplest usage

The words will be always all in lower-case. It seems, the lower or upper case changes the intonation when using programs like festival or say.

With 3 identifiers, a MAC, an IP6 address and some custom-format hexa id. The three as command-line arguments:

$ hex2words dc:0e:e5:62:94:ac fe80::df0e:e5ff:fe62:94ac 920d6b30-0fa4-11e5-9cde-442a60f31a14
dc:0e:e5:62:94:ac
        sweatband atlantic topmost gadgetry pluto penetrate

fe80::df0e:e5ff:fe62:94ac
        woodlark intention talon atlantic topmost yucatán woodlark gadgetry pluto penetrate

920d6b30-0fa4-11e5-9cde-442a60f31a14
        physique asteroid glitter commando artist pandora athens travesty python telephone crumpled chambermaid facial vertigo beehive belowground
$

Piping file contents

The same three identifiers as before, stored in a file:

$ cat > test
dc:0e:e5:62:94:ac
fe80::df0e:e5ff:fe62:94ac
920d6b30-0fa4-11e5-9cde-442a60f31a14
^D
$

And then, piping the file:

$ cat test | hex2words
dc:0e:e5:62:94:ac
        sweatband Atlantic topmost gadgetry Pluto penetrate

fe80::df0e:e5ff:fe62:94ac
        woodlark intention talon Atlantic topmost Yucatán woodlark gadgetry Pluto penetrate

920d6b30-0fa4-11e5-9cde-442a60f31a14
        physique asteroid glitter commando artist Pandora Athens travesty python telephone crumpled chambermaid facial vertigo beehive belowground
$

Piping file hashes

SHA1 hashes of all python source files in the hex2words/ directory:

$ sha1sum hex2words/*.py  | hex2words
hex2words/__init__.py:
        2a8c85a1f694f79bda523b1423a3f7a473824fc5
        brickyard megaton music outfielder village molecule virus Norwegian surmount enrollment clockwork belowground blowtorch pandemic virus Pandora hockey Istanbul dropper resistor

hex2words/hex2words.py:
        6d859a1b70ee1f8274555031df14522cbb2137a0
        goggles leprosy pupil bravado guidance universe billiard Istanbul indoors equipment drumbeat company talon belowground Dupont Chicago shamrock Camelot clamshell Orlando

hex2words/input.py:
        769fb587669dfc506ad5b951ac05bd6379f2386a
        inverse opulent scorecard liberty framework Ohio wayside embezzle Geiger specialist sentence enchanting ribcage almighty skullcap Galveston jawbone vagabond classic hamburger

hex2words/program.py:
        d1bd5a1445be18880a842eb62bd15ab28cc39d35
        stairway quantity enlist belowground crusade racketeer beaming maritime allow Jupiter buzzard potato briefcase scavenger enlist pioneer offload replica quadrant conformist

hex2words/version.py:
        b6ba6a706b082a8b440150f1ee2f229bcaa1d658
        Scotland puberty Geiger hesitate glitter antenna brickyard Medusa crumpled adviser drumbeat vacancy tycoon combustion blockade Norwegian spellbind outfielder stockman everyday
$

Piping GPG fingerprints

You can use both, the last 4 bytes of the fingerprint (34EC9CBA), or the complete fingerprint:

$ hex2words 34EC9CBA "EF45 5106 80FB 0232 6B04 5AFB 3247 4CF8 34EC 9CBA"
34EC9CBA
        choking unicorn python puberty

EF45 5106 80FB 0232 6B04 5AFB 3247 4CF8 34EC 9CBA
        uncut detector drunken amulet merit Wichita accrue component glitter alkali enlist Wichita checkup determine drainage warranty choking unicorn python puberty

Or piping from gpg:

$ gpg --list-keys --fingerprint 34EC9CBA | hex2words
EF45510680FB02326B045AFB32474CF834EC9CBA: uncut detector drunken amulet merit Wichita accrue component glitter alkali enlist Wichita checkup determine drainage warranty choking unicorn python puberty

Development

Installing for development

$ git clone git@bitbucket.org:pfigue/hex2words.git
$ cd hex2words/

then you can run setup.py install, for example.

Running the tests

setup.py test should work. Tests are written for py.test framework. They live in hex2words/tests/.

Contributing

Just fork the project and send pull requests with your magic. Try to indent your code with flake8 or similar, and try to write tests and nice code.

All feedback is welcomed!

Release History

Release History

0.1.0

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.0.1

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
hex2words-0.1.0.linux-x86_64.tar.gz (15.8 kB) Copy SHA256 Checksum SHA256 Source Aug 17, 2015
hex2words-0.1.0.tar.gz (13.7 kB) Copy SHA256 Checksum SHA256 Source Aug 17, 2015

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