PDF documents have been common use within business for many years. Protecting PDFs against change is fast becoming a hot topic. Digitally signing PDFs with a certifying signature protects the content and also shows who signed or approved the document. This article explains how you can easily digitally sign PDFs, what is needed to electronically sign PDF documents and the different types of PDF signatures.
Liaquat Khan
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Online document signing has significant business benefits. Getting a document approved and signed-off is a crucial part of any business, be it an order, sales contract, claim forms, internal HR documents or any other type of document that needs to be clearly agreed and approved preferably with a clear audit trail.
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PEPPOL is a large-scale European Commission project, working on allowing any company in the EU to be able to communicate electronically with any EU governmental institution for all procurement processes.
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Within Europe a new digital signature format “PAdES” is gaining traction. PAdES stands for “PDF Advanced Electronic Signatures” and is a set of standards published by ETSI (TS 102 778 parts 1 to 5) to support European requirements for electronic signatures. The purpose is specifically for creation of long-term signatures that are verifiable for years or even decades.
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