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1. WO2005066952 - METHOD OF COPYING AND REPRODUCING DATA FROM STORAGE MEDIUM

Publication Number WO/2005/066952
Publication Date 21.07.2005
International Application No. PCT/KR2005/000070
International Filing Date 10.01.2005
IPC
G06F 12/14 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
12Accessing, addressing or allocating within memory systems or architectures
14Protection against unauthorised use of memory
G11B 20/10 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
10Digital recording or reproducing
CPC
G06F 21/10
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
G11B 20/00086
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
G11B 20/0021
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
0021involving encryption or decryption of contents recorded on or reproduced from a record carrier
G11B 20/00246
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20Signal processing not specific to the method of recording or reproducing; Circuits therefor
00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
0021involving encryption or decryption of contents recorded on or reproduced from a record carrier
00217the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
00246wherein the key is obtained from a local device, e.g. device key initially stored by the player or by the recorder
Applicants
  • SAMSUNG ELECTRONICS CO., LTD. [KR]/[KR]
Inventors
  • HAN, Sung-Hyu
  • KIM, Yun-Sang
  • CHOI, Yang-Lim
  • YOU, Yong-Kuk
  • HAN, Hee-Chul
Agents
  • Y.P.LEE, MOCK & PARTNERS
Priority Data
10-2004-000181310.01.2004KR
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD OF COPYING AND REPRODUCING DATA FROM STORAGE MEDIUM
(FR) PROCEDE DE COPIE ET DE REPRODUCTION DE DONNEES DANS UN SUPPORT DE DONNEES
Abstract
(EN)
Provided is a method of copying data stored in a first storage medium to a second storage medium. The method includes recording the encrypted data stored in the first storage medium on the second storage medium; reproducing a first content key, which is used to encrypt the encrypted data, using a first drive into which the first storage medium is loaded; encrypting the first content key; sending the encrypted first content key to a second drive into which the second storage medium is loaded; and recording the encrypted first content key on the second storage medium. In this method, encrypted data stored in a first storage medium is sent to a second storage medium via a host without decrypting the encrypted data, thereby preventing the data from being hacked or being accessed by unauthorized users and increasing a speed of copying the encrypted data.
(FR)
L'invention concerne un procédé de copie de données stockées dans un premier support de données, sur un second support de données. Ce procédé consiste à enregistrer les données chiffrées stockées dans le premier support de données, sur un second support de données; à reproduire une première clé de contenu utilisée pour chiffrer les données chiffrées, au moyen d'un premier lecteur dans lequel le premier support de données est chargé; à envoyer la première clé de contenu chiffré à un second lecteur dans lequel le second support de données est chargé; et à enregistrer la première clé de contenu sur le second support de données. Dans ce procédé, les données chiffrées stockées dans un premier support de données sont envoyées à un second support de données par l'intermédiaire d'un hôte, sans déchiffrement des données chiffrées, ce qui empêche le piratage des données ou l'accès à celles-ci par des utilisateurs non autorisés et augmente la vitesse de copie des données chiffrées.
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