<![CDATA[The confidentiality of a document is an important requirement for the people of this age to protect their privacy from people who have no right to know it. To overcome this, an application that can encrypt document files in the form of digital images is needed so that it is not known by others. . The algorithm that has been developed in this study we use the RC6 algorithm as an algorithm method. The purpose of this system will be to help specifically in the administration section to enter or store documents, find and create reports that will be seen by government installations in an encrypted form, and if needed as information can easily be decrypted again. The development method uses the waterfall model. The analytical tool used is Use case, Activity, Diagram, and Class Diagram. The software used is Dreamweaver and Xampp. This system is built in order to provide convenience in processing document data]]>
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