Abstract
This letter presents recent technical trends to improve the secure handling of content decryption keys and usage rights in digital rights management (DRM) solutions. Attacks against DRM often consist of recovering keys such as content encryption keys and tampering with entitlements describing the user's content usage rights. This has led to demand from content providers such as movie studios for better methods to secure and exchange keys. This letter presents Online DRM, a network-centric approach to this problem, and analyzes the security implications of hosting more DRM intelligence in the network. © 2012 Alcatel-Lucent.
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