METHOD FOR PROTECTING AND MANAGING DIGITAL CONTENT, AND SYSTEM USING THE SAME

PROBLEM TO BE SOLVED: To provide a method and a system for protecting digital content, and to provide its copyright. SOLUTION: A user receives an encrypted content and an encrypted decryption key that can decrypt the encrypted content. A key is generated, based on system information that indicates s...

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Bibliographische Detailangaben
Hauptverfasser:	KIM JONWON, NAM-YONG LEE, CHOI JONG-UK, LEE WON HA
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CALCULATING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY COMPUTING COUNTING CRYPTOGRAPHY DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS SEALS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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