subject: Pdf Encryption Feature [print this page] A Portable Document Format is designed and introduced by Adobe Systems in 1993. This computer application is one of the most advanced and portable file formats. It is used for the purpose of transferring and archiving data across multiple platforms. One of the most advanced attributes is the security feature of the application. The file format can be used for the purpose of transferring, storing and sharing confidential information. Many organizations, institutes or even government uses the Portable Document Format for making the information secure and intact. This file format has the ability to encrypt the files or documents.
Portable Document Format equips a user with great security features. One can encrypt the files with certificates or passwords. The digital signatures are also employed for copyright purposes. There are two kinds of passwords such as owner and user passwords. The former one is configured when an author wants to lock or disable any of the abilities such as printing, editing or copying the file. There are many such documents in PDF format available on the internet that does not enable a user to either copy or print the document. In case of owner password, the Portable Document Format files are encrypted by an author in order to restrict any other unauthorized user from having access to the file. In this situation, only that user can have access to the document who has a password as same as that of the author. One can even use certificates for encrypting the files. A user having access to the authors PDF file should have the same certificate as that of the author. In this way, a person can protect the files from being hampered or altered. The contents of a file remain unchanged and unaltered.
Legal firms, government departments, military, commercial and non-commercial companies can employ a Portable Document Format and encrypt these files for protecting the contents. One can even remove the password by using offline or online tools if the password is forgot. In this way, you can not only encrypt the files but also decrypt them whenever required.