Digital Signatures and signing the PDF dcouments



Digital Signatures can be added to the PDF documents. Read the article
to know the benefits of signing and encrypting the PDF document using
Digital Signature Solutions

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


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