Password Security Features in PDF Documents

Portable Document Format is a computer application developed by Adobe Systems to introduce a 'paperless' world. It was designed to coordinate the physically distant users across the world. Portable Document Format gathers, archives and transfers bulky information on multiple platforms. The portable features of the computer application enable you to transfer the documents from one system to another with different types of configuration. Another advantageous feature of this file format is the unique set of security features. You can easily encrypt the files with password to protect the content. The security features give an exceptional control to the user over the documents.

The security features of the document along with other advantageous attributes have made the file format popular among the computer users. You can exercise a complete control over your documents and send them to long distances through emails. A person can transfer encrypted files to another user using different types of configuration. You can encrypt the PDF documents with 'Open' and 'Permission' passwords. With 'open password' you can lock your documents. As a result, only those users will open your files who know the correct password. 'Permission' passwords enable you to lock any functionality when a user accesses your documents. For instance, you can lock any functionality of printing, editing or copying as per your requirement. With these passwords, you can protect your files from unauthorized viewing. One can use 40-bit or 128 bit encryption for the confidential documents. Out of the two encryptions, 128 bit encryption is tougher to crack down. You can use the Portable Document Format files for storing legal, financial or any other confidential data. A person can protect the files from distortion with the use of digital certificates.

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