| .\" Copyright 2011 The Poppler Developers - http://poppler.freedesktop.org |
| .TH pdfsig 1 "28 October 2015" |
| .SH NAME |
| pdfsig \- Portable Document Format (PDF) digital signatures tool |
| .SH SYNOPSIS |
| .B pdfsig |
| [options] |
| .RI [ PDF-file ] |
| .SH DESCRIPTION |
| .B pdfsig |
| verifies the digital signatures in a PDF document. |
| It also displays the identity of each signer |
| (commonName field and full distinguished name of the signer certificate), |
| the time and date of the signature, the hash algorithm used for signing, |
| the type of the signature as stated in the PDF and |
| the signed ranges with a statement wether the total document is signed. |
| .PP |
| The signer certificate validation uses the trusted certificates stored in the |
| Network Security Services (NSS) Database. The NSS Database is searched for in the following locations: |
| .IP \(bu |
| If the \-nssdir option is specified, the directory specified by this option. |
| .IP \(bu |
| The NSS Certificate database in the default Firefox profile. i.e. $HOME/.mozilla/firefox/*.default. |
| .IP \(bu |
| The NSS Certificate database in /etc/pki/nssdb. |
| .SH OPTIONS |
| .TP |
| .B \-nssdir "[prefix]directory" |
| Specify the database directory containing the certificate and key |
| database files. See certutil(1) -d option for details of the |
| prefix. If not specified the other search locations described in |
| .B DESCRIPTION |
| are used. |
| .TP |
| .B \-nocert |
| Do not validate the certificate. |
| .TP |
| .B \-dump |
| Dump all signatures into current directory. |
| .TP |
| .B \-v |
| Print copyright and version information. |
| .TP |
| .B \-h |
| Print usage information. |
| .RB ( \-help |
| and |
| .B \-\-help |
| are equivalent.) |
| .SH AUTHOR |
| The pdfsig software and documentation are copyright 1996-2004 Glyph & Cog, LLC |
| and copyright 2005-2015 The Poppler Developers - http://poppler.freedesktop.org |
| .SH "SEE ALSO" |
| .BR pdfdetach (1), |
| .BR pdffonts (1), |
| .BR pdfimages (1), |
| .BR pdfinfo (1), |
| .BR pdftocairo (1), |
| .BR pdftohtml (1), |
| .BR pdftoppm (1), |
| .BR pdftops (1), |
| .BR pdftotext (1) |
| .BR pdfseparate (1), |
| .BR pdfunite (1) |
| .BR certutil (1) |
