Explanation: The DRM (digital rights management) technology includes the following rules: 1.Compliance rule: This rule specifies the behaviors of the DRM implementation, and applications that are accessing the implementation. The compliance rule specifies the following elements: Definition of specific license rights Device requirements Revocation of license path or penalties when the implementation is not robust enough or noncompliant 2.Robustness rule: This rule has the following features: It specifies the various levels of robustness that are needed for asset security. It contains assets, such as device key, content key, algorithm, and profiling data. It specifies minimum techniques for asset security.