VERFAHREN UND VORRICHTUNG ZUM ZUGRIFF AUF DVD- INHALTE

An electronic appliance (52; 62) is disclosed, the appliance comprising a disk drive (80; 80') configured to read protected information from a removable storage medium (100), an input (88) for receiving user requests, a protected processing environment (164) communicatively coupled to the disk...

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Bibliographische Detailangaben
Hauptverfasser:	WEBER, ROBERT, P, SHEAR, VICTOR, H, VANWIE, DAVID, M, SIBERT, OLIN, W
Format:	Patent
Sprache:	ger
Schlagworte:	ADVERTISING CALCULATING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY COMPUTING COUNTING CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	An electronic appliance (52; 62) is disclosed, the appliance comprising a disk drive (80; 80') configured to read protected information from a removable storage medium (100), an input (88) for receiving user requests, a protected processing environment (164) communicatively coupled to the disk drive, the protected processing environment being configured to: (a) access control information from the storage medium, the control information specifying one or more permitted or prohibited uses of the protected information; (b) apply the control information to govern access to or other use of the protected information; (c) use one or more decryption keys stored within the protected processing environment to decrypt one or more encrypted content decryption keys; and (d) use the one or more content decryption keys to decrypt the protected information, and an output (90; 160) for presenting the protected information to a user.