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Sep 25 2017

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# PDF Document Management 14: Add a Digital Signature into PDF Document A digital signature (ID). like a conventional handwritten signature, identifies the person signing a document. Unlike a handwritten signature, a digital signature is difficult to forge because it contains encrypted information that is unique to the signer and easily verified. It is usually password protected and can be stored on your computer in PKCS #12 file format (Personal Information Exchange File, PFX). When you buy a new digital signature, you get .spc file that contains the certificate and .pvk file that contains your private keys. U se Microsoft …