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.TH PASS-AUDIT 1 "2018 February 23" "Password store audit extension"
.SH NAME
pass-audit - A \fBpass\fP(1) extension for checking password strength.
.SH SYNOPSIS
.B pass audit
[
.I COMMAND
]
[
.I OPTIONS
] [
.I ARGS
]
.SH DESCRIPTION
.B pass-audit
is an extension for
.BR pass (1)
to help find passwords in your store which may be vulnerable.
.B pass-audit
currently has two mechanisms for checking a password:
.IP \[bu]
.B Have I Been Pwned (HIBP)
.B pass-audit
can check HIBP to see whether a password is included in the large repository of
pwned passwords. The HIBP password API has been carefully designed to prevent
significant password data from leaving the local machine. To accomplish this,
the password is hashed using SHA1 and a request is made to
.BI https://api.pwnedpasswords.com/range/ RANGE
where
.I RANGE
is the first 5 hexadecimal digits of the SHA1 digest.
This URL returns a list of SHA1 hashes of pwned passwords beginning with
.IR RANGE .
.B pass-audit
then searches locally in the hashes returned from the API for the hash of the
password being checked. Using this technique, the only data that leaves the
local machine is the first five digits of the SHA1 digest of each password
being audited.
.IP \[bu]
.B Local wordlist
.B pass-audit
can check your passwords against a local wordlist. The password being checked is tested against each pattern in the specified wordlist file using
.BR grep (1)
with the
.B --file
option.
If a password is found to be vulnerable, the name of the password is printed to standard output and
.B pass-audit
will exit with a return code of
.BR 1 .
This is to aid in scripting tasks, such as compiling a list of your vulnerable passwords.
.SH COMMANDS
.TP
.B check
Check a password for vulnerability. This is the default option; if no
.B COMMAND
is specified, then
.B check
will be run.
.TP
.B all
Check all the passwords in your store for vulnerability.
.TP
.B help
Display help about
.BR pass-audit .
.TP
.B version
Display the version of
.BR pass-audit .
.SH OPTIONS
.TP
.B --hibp
Use the Have I Been Pwned service to check whether the password may be vulnerable.
.TP
.BI --wordlist= word-file
Use the
.I word-file
file to check the password.
.SH USAGE
.TP
\fBpass audit\fP [ \fBcheck\fP ] [ \fB--hibp\fP ] [ \fB--wordlist=\fP\fIword-file\fP ] \fIpass-name\fP
Check whether
.I pass-name
is vulnerable according to HIBP, the supplied
.IR word-file ,
or both.
.TP
\fBpass audit all\fP [ \fB--hibp\fP ] [ \fB--wordlist=\fP\fIword-file\fP ]
Check each password in your store to see whether it may be vulnerable according to HIBP, the supplied
.IR word-file ,
or both.
.SH EXAMPLES
.TP
.B pass audit all --wordlist=/usr/share/wordlists/rockyou.txt
Check all passwords in the store against the rockyou wordlist.
.TP
.B pass audit --hibp github.com
Check your password for GitHub to see if it is included in the HIBP list using the online API.
.TP
.B pass audit check --wordlist=/usr/share/dict/words github.com
Check your password for GitHub to see if it is a dictionary word.
.SH SEE ALSO
.BR pass (1),
.BR grep (1),
.BR curl (1),
.BR shasum (1)
.SH BUGS
Issues encountered or improvements for
.B pass-audit
may be submitted to https://github.com/benburwell/pass-audit/issues.
.SH AUTHOR
.B pass-audit
was written by Ben Burwell.
.SH COPYING
MIT License
Copyright (c) 2018 Ben Burwell
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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