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dicepwgen.1
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.\" ========================================================================
.\"
.IX Title "DICEPWGEN 1"
.TH DICEPWGEN 1 "2015-08-03" "perl v5.18.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
dicepwgen \- A diceware password generator
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 10
\& Usage: dice [\-tcfvhd]
\& Options:
\& \-t \-\-humantoss Asks interactively for rolled dices
\& \-c \-\-wordcount <count> Number of words (default: 4)
\& \-f \-\-dictfile <dictfile> Dictionary file to use (default:
\& /usr/share/dict/american\-english)
\& \-l \-\-minlen <count> Minimum word len (default: 5)
\& \-m \-\-maxlen <count> Maximum word len (default: 10)
\& \-n \-\-dontjump Use all words in the dict file, e.g.
\& if it is an original diceware list
\& \-d \-\-debug Enable debug output
\& \-v \-\-version Print program version
\& \-h \-? \-\-help Print this help screen
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
dicepwgen generates a diceware password using a dictionary
file. By default it uses pseudo random dice tosses, but
it is also possible to use real dices and enter the numbers
by using the option \fB\-t\fR, which is the most secure way
to generate diceware passwords.
.PP
The option \fB\-c\fR can be used to tweak the number of words
to output. The options \fB\-l\fR and \fB\-m\fR can be used to tweak
minimum and maximum word length.
.PP
You can tell dicepwgen to use another dictionary file with
the option \fB\-f\fR.
.PP
If you're using a precomputed diceware list, use the parameter
\&\fB\-n\fR, in which case dicepwgen will use all entries in the file.
.PP
The program only uses words which contain 7bit \s-1ASCII\s0 letters
(a\-zA\-Z0\-9), which are easier for password usage anyway.
.SH "FILES"
.IX Header "FILES"
\&\fB/usr/share/dict/american\-english\fR: default dictionary file.
.PP
You can use almost any dictionary file you want. Dicepwgen expects
the file to be in the following format: one word per line.
.PP
You can also use precomputed diceware word lists by adding the
option \fB\-n\fR to the commandline. If the file already contains
numbers, you have to remove them before using. Say, the file
looks like this:
.PP
.Vb 4
\& 11126 abase
\& 11131 abash
\& 11132 abate
\& 11133 abbas
.Ve
.PP
Prepare the file with this shell oneliner:
.PP
.Vb 1
\& grep "^[0\-9]" dicewarelist.txt | awk \*(Aq{print $2}\*(Aq >> newlist.txt
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
<http://world.std.com/~reinhold/diceware.html>
.PP
<https://xkcd.com/936/>.
.SH "BUGS"
.IX Header "BUGS"
In order to report a bug, unexpected behavior, feature requests
or to submit a patch, please open an issue on github:
<https://github.com/TLINDEN/diceware/issues>.
.PP
Current known issues:
.IP "\(bu" 4
The program does not count the lines in a dictionary file before
using it. If the file contains a low number of entries (e.g. because
it is a precomputed diceware word list and \fB\-n\fR has not been
specified), it seems to \*(L"hang\*(R". In fact it runs very long because it
jumps over a random number of entries and restarts from the beginning
again and again til the required number of words has been collected (7776).
.SH "LICENSE"
.IX Header "LICENSE"
This software is licensed under the \s-1GNU GENERAL PUBLIC LICENSE\s0 version 3.
.PP
Copyright (c) 2015 by T. v. Dein.
.SH "AUTHORS"
.IX Header "AUTHORS"
T.v.Dein \fBtom \s-1AT\s0 vondein \s-1DOT\s0 org\fR