I'll forward this to my articles group

Rick

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----- Original Message ----
From: abhe_k <abhe_k@...>
To: security_pdf_ebook@yahoogroups.com
Sent: Thursday, April 26, 2007 7:32:52 PM
Subject: [security_pdf_ebook] PDF document signing and encryption using Digital
Signature Solutions


This article will give you the insight over how the Digital
Signatures are now been added to the PDF document read the article to
know how to sign PDF document and encrypt them using digital
signature product

Introduction

Many Digital Signature solutions allow documents of PDF format to be
signed and encrypted natively, without having Adobe Acrobat
installed. This feature enables users and organizations to send
invoices, credit card or bank transaction statements, purchase orders
and other reports in PDF format where the recipients are assured of
the authenticity of the document. Digital signing solution can also
be used to encrypt the PDF file, giving the sender assurance that
only the authorized recipients would be able to read the documents.

These solutions automate the signing and encryption process so that
the process can be carried out without any user intervention. These
solutions also provide a number of additional features along with the
PDF document signing facility.
Various features of PDF signing using digital signing solutions
The PDF documents are signed in an embedded fashion, in a way that is
compatible with how Adobe Acrobat signs them. There are several
features accompanying this facility.
1.While signing, a visual representation of the signature can
be embedded in the PDF document.
2.The user can select the placement of signature in the
document in terms of the page and the location on the page. For
example, the signature can be placed at the top-right corner of the
first page or at bottom-right on the last page.
3.The user can display scanned handwritten signature or a logo
inside the digital signature on the PDF document.
4.The visual signature can also incorporate the reason for
signing, time of signing, and location. The time of signing can be
taken from the local machine clock or can use third party time
stamp server.
5.Signing with certificates from a variety of locations such as
certificate installed in IE or Netscape family of browsers, PFX /
P12 files, smart cards or hardware tokens.
6.The PDF documents signed using digital signature software do
not need any specific verification software. They allow the
document recipients to verify the signatures using free Adobe
reader
7.The PDF files can be encrypted using password of users choice
for maintaining confidentiality. As with signed files, the
encrypted files do not require any third party software for
decryption. When the file is opened in Adobe Reader, the user is
prompted for the password. The file can be opened only if the
correct password is supplied.

Benefits of using signing software to sign PDF documents

The key features that make for a very easy deployment of signing and
encryption into Business to Consumer (B2C) applications in verticals
like banking, finance, insurance etc. are:
·Signing and encryption can be done without using Adobe Acrobat
·Signing and encryption can be done in automated fashion
without any user intervention
·The encrypted files can be opened and signatures verified
with Adobe Reader, without needing any third party software


For more information visit: www.elock.com OR write to info@...