СИСТЕМА И СПОСОБ БЕЗОПАСНОГО И УДОБНОГО УПРАВЛЕНИЯ ЦИФРОВЫМ ЭЛЕКТРОННЫМ КОНТЕНТОМ

摘要

A domain-based digital rights management (DRM) method and system. A domain has one or more communication devices, such as user devices that share a common cryptographic key of the domain. There may be a plurality of domains in a digital rights management environment and the domains may additionally be overlapping. A domain authority, in combination with a digital rights management module of a communication device, operates to selectively register and unregister the communication device to the one or more domains and to control access to encrypted digital content information.