Digital rights management device and method

摘要

A portable storage device includes a mechanism for receiving a value of an identification parameter from a receiving device, a non-volatile memory for storing digital content, a licensing policy, and a license for viewing the digital content on the receiving device as identified by the identification parameter, and a controller that is operative, in response to the identification parameter and the license, to provide a controlled feeding of at least a portion of the digital content to the receiving device, in accordance with the licensing policy.

主权项

1. A portable storage device for providing a controlled streaming of streaming digital content, the portable storage device comprising:
a non-volatile memory comprising a device license and a license policy, the license policy comprising a quality parameter; and a controller configured to receive encrypted content from a sending device; wherein the controller is further configured to receive a device identifier from a receiving device over a physical connection wherein the controller is further configured to compare the device identifier to the device license; wherein the controller is further configured to decrypt the encrypted content; wherein the controller is further configured to modify the quality of the decrypted content using the quality parameter; and wherein the controller is further configured to stream the modified decrypted content to the receiving device.