G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 20/10 (2006.01) G11B 20/00 (2006.01)
Patent
CA 2493042
The present invention relates to an apparatus and system for data copy protection, and a method thereof. The present invention provides a transmitting apparatus for setting control information of for data copy protection, encrypting data by using different encryption processes according to respective control modes corresponding to the set control information, and transmitting the encrypted data; a receiving apparatus for receiving the transmitted encrypted data, extracting the control information from the received data, and decrypting the encrypted data by using different decryption processes according to respective control modes corresponding to the extracted control information; and a system comprises having the transmitting apparatus and the receiving apparatus.
L'invention porte sur des appareils et un systme de protection de donn~es copi~es et sur le proc~d~ associ~. Les appareils comprennent: un appareil d'~mission ~laborant les informations de commande en vue de la protection de la copie de donn~es, cryptant les donn~es ~ l'aide de diff~rents proc~d~s de cryptage selon les modes de commande correspondant auxdites informations de commande, et ~mettant les donn~es crypt~es; un appareil de r~ception recevant les donn~es crypt~es ~mises, en extrayant les informations de commande, et d~cryptant les donn~es crypt~es selon les modes de commande correspondant aux informations de commande extraites; et un systme comportant l'~metteur et le r~cepteur.
Choi Yang-Lim
Choi Yun-Ho
Kim Yun-Sang
Ridout & Maybee Llp
Samsung Electronics Co. Ltd.
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