Digitally signing a PDF with the GlobalSign Digital Signing Service
GlobalSign have recently launched a digital signing service, and in this article we show you how to integrate this with our PDF library.
Public Key Encryption and PDF
Most people when they think of protecting a PDF, think of a password. However this isn't the only way to do it. Both Acrobat and our PDF viewer allow a PDF to be decrypted using a private key which is specific to a user. In this article we show you how to create a key, encrypt a document for that key and then decrypt it again.