A packet based high bandwidth copy protection method is described that includes the following operations. Forming a number of data packets at a source device, encrypting selected ones of the data packets based upon a set of encryption values, transmitting the encrypted data packets from the source device to a sink device coupled thereto, decrypting the encrypted data packets based in part upon the encryption values, and accessing the decrypted data packets by the sink device.

 
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< Content recording/reproducing system, distribution device, reproducing device, and recording device

> Method for simulcrypting scrambled data to a plurality of conditional access devices

> Data storage device and data storage method

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