Secure but memorable passphrase generator
Project description
Correct Horse: A memorable passphrase generator
Correct Horse is a tool for generating resonably secure but reasonably memorable passphrases. It does this by picking a set of words from a dictionary and then sorting them into an order that plausibly makes sense as a phrase. It can be used either as a command line tool to generate and print a passphrase that one might enter into another application or through an API to pick new passphrases for something like a rotating code on a WiFi network.
Usage
Command line
correcthorse [-h] [-n MAX_WORDS] [-N MAX_LETTERS] [-l] [-c] [-u] [-s] [-j] [-H]
[-S SEPARATOR] [-f FILENAME] [-L LOCALE]
Use the -n WORD_COUNT
or --max_words WORD_COUNT
option to set the maximum number of words in the passphrase. Use the -N LETTER_COUNT
or --max_letters LETTER_COUNT
option to set the maximum number of letters in the passphrase. You may set both
The -l
or --lower-case
will cause all of the words in the passphrase to be printed in lower case while the -c
or --capitalise
flag will cause the first letter of each word to be capitalised. The default is to capitalise the first letter.
When the words of the passphrase are printed a seperator string will be placed between then. This can be set using the -S SEPARATOR
or --separator SEPARATOR
option. For convenience you can use -u
or --underscore
to join the words with an underscore, -s
or --space
to join the words with a space, -H
or --hyphen
to join the words with a hyphen or -j
or --join
to simply run the words together without a separator.
By default correcthorse
will detect your locale and pick a word set that matches your local language. You can override the detected locale using the -L LOCALE
or --locale LOCALE
options. While great in theory, unless your language is English the chances are that currently there is no built in word file for your language. You can however specify a custom word file using the -f FILENAME
or --word-file FILENAME
options.
Use as a python module
To use the correcthorse
module through the API create an instance of the WordSet
using WordSet(filename=None, locale=None, encoding='UTF-8')
and then call random_phrase(max_words=4)
.
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