System and method for protecting digital content and universal playing
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 张惠能
- Publication Date
- 2008-03-12
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
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Abstract
Description
technical field
[0001] The invention relates to a device and method for protecting digital content and universal playback by using an encryption / decryption engine on any storage device. Background technique
[0002] In recent years, due to the vigorous development of various multimedia, a variety of digital contents, such as music, pictures, files, movies, etc., are naturally derived. With the evolution of technology, the capacity occupied by the above-mentioned digital content is also increasing day by day, so the media capacity used to store these digital contents is also increasing day by day, and when the storage capacity grows to a certain level, the portable storage system begins to develop. Media, from the earliest 1.2MB disk to the current USB flash drive, external hard disk, CD, etc., have not only improved the speed of information circulation, but also improved the convenience of data backup and storage.
[0003] However, while information backup is easy and the c...