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.\" Copyright 2011 The Poppler Developers -
.TH pdfsig 1 "28 October 2015"
pdfsig \- Portable Document Format (PDF) digital signatures tool
.B pdfsig
.RI [ PDF-file ]
.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.
The signer certificate validation uses the trusted certificates stored in the following locations:
.IP \(bu
The NSS Certificate database in the default Firefox profile.
.IP \(bu
The NSS Certificate database in /etc/pki/nssdb.
.B \-nocert
Do not validate the certificate.
.B \-dump
Dump all signatures into current directory.
.B \-v
Print copyright and version information.
.B \-h
Print usage information.
.RB ( \-help
.B \-\-help
are equivalent.)
The pdfsig software and documentation are copyright 1996-2004 Glyph & Cog, LLC
and copyright 2005-2015 The Poppler Developers -
.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)