Embodiments of the present invention overcome the problems in the existing art described above by providing a secure digital content licensing system and method. Rental of the digital content occurs within an online environment including one or more user network-enabled devices and one or more server network devices connected by a communications link to the one or more user network-enabled devices. A user selects content displayed on a main website and requests download of the selected content to the user network-enabled device. To be able to access the content the user must obtain a license. The user's request for a license for specific content comprises information about a desired rental model, an expiration date for the rental model, and information that identifies the user's user network-enabled device, along with other information. A license for the content is generated which comprises the above information and also includes an encryption key for the selected movie. Media player and security technology residing on the user network-enabled device provides protection against unauthorized access to the content by ensuring that only licensed content is viewed and is accessed according to the rental model contained in the license. Media player and security technology also provides security against tampering by performing integrity checks on its various components and other components within the user network-enabled device. Revocation of access rights is made possible by revocation certificates that inhibit accessing of particular content for various reasons including compromised files or components.