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  Cryptographic methods, apparatus and systems for storage media electronic rights management in closed and connected appliancesRelated Patent Categories: Data Processing: Financial, Business Practice, Management, Or Cost/price Determination, Business Processing Using Cryptography, Usage Protection Of Distributed Data FilesThe Patent Description & Claims data below is from USPTO Patent Application 20070192252. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED APPLICATIONS AND PATENTS [0001] This application is a continuation application of U.S. patent application Ser. No. 08/848,077 (U.S. Patent Publication No. 2001/0042043), filed May 15, 1997, titled "Cryptographic Methods, Apparatus And Systems For Storage Media Electronic Rights Management In Closed And Connected Appliances," [0002] which is pending and claims priority from U.S. Provisional Application No. 60/037,931, filed Feb. 14, 1997, titled "Cryptographic Method And Apparatus For Storage Media Electronic Rights Management," and [0003] which is a continuation-in-part application of PCT/US96/14262 (PCT Publication No. WO 1998/10381), filed Sep. 4, 1996, titled "Trusted Infrastructure Support Systems, Methods And Techniques For Secure Electronic Commerce, Electronic Transactions And Rights Management," and [0004] which is a continuation-in-part application of U.S. patent application Ser. No. 08/689,606, filed Aug. 12, 1996, now issued U.S. Pat. No. 5,943,422, titled "Steganographic Techniques For Securely Delivering Electronic Digital Rights Management Control Information Over Insecure Communication Channels," and [0005] which is a continuation-in-part application of U.S. patent application Ser. No. 08/689,754, filed Aug. 12, 1996, now issued U.S. Pat. No. 6,157,721, titled "Systems And Methods Using Cryptography To Protect Secure Computing Environments," and. [0006] which is a continuation-in-part application of U.S. patent application Ser. No. 08/699,712, filed Aug. 12, 1996, now abandoned, titled "Trusted Infrastructure Support Systems, Methods And Techniques For Secure Electronic Commerce, Electronic Transactions And Rights Management," which is a continuation application of PCT/US96/02303 (PCT Publication No. WO 1996/27155), filed Feb. 13, 1996, titled "System And Methods For Secure Transaction Management And Electronic Rights Protection," and [0007] which claims priority from U.S. Provisional Application No. 60/018,132, filed May 22, 1996, titled "Cryptographic Method And Apparatus For Storage Media Electronic Rights Management," and [0008] which claims priority from U.S. Provisional Application No. 60/017,722, filed May 15, 1996, titled "Cryptographic Method And Apparatus For Storage Media Electronic Rights Management," and [0009] which is a continuation-in-part application of U.S. patent application Ser. No. 08/388,107, filed Feb. 13, 1995, titled "System And Methods For Secure Transaction Management And Electronic Rights Protection," [0010] all of which are incorporated herein by reference. [0011] In addition, the specifications and drawings of the following prior published patent specifications are incorporated by reference into this patent specification: [0012] U.S. Pat. No 4,827,508 entitled "Database Usage Metering and Protection System and Method" dated May 2, 1989; [0013] U.S. Pat. No. 4,977,594 entitled "Database Usage Metering and Protection System and Method" dated Dec. 11, 1990; [0014] U.S. Pat. No. 5,050,213 entitled "Database Usage Metering and Protection System and Method" dated Sep. 17, 1991; and [0015] U.S. Pat. No. 5,410,598 entitled "Database Usage Metering and Protection System and Method" dated Apr. 25, 1995; and [0016] European Patent No. EP 329681 entitled "Database Usage Metering and Protection System and Method" dated Jan. 17, 1996. FIELD OF THE INVENTION [0017] This invention relates to information protection techniques using cryptography, and more particularly to techniques using cryptography for managing rights to information stored on portable media--one example being optical media such as Digital Video Disks (also known as "Digital Versatile Disks" and/or "DVDs"). This invention also relates to information protection and rights management techniques having selectable applicability depending upon, for example, the resources of the device being used by the consumer (e.g., personal computer or standalone player), other attributes of the device (such as whether the device can be and/or typically is connected to an information network ("connected" versus "unconnected")), and available rights. This invention further relates, in part, to cooperative rights management--where plural networked rights management arrangements collectively control a rights management event on one or more of such arrangements. Further, important aspects of this invention can be employed in rights management for electronic information made available through broadcast and/or network downloads and/or use of non-portable storage media, either independent of, or in combination with portable media. BACKGROUND OF THE INVENTION [0018] The entertainment industry has been transformed by the pervasiveness of home consumer electronic devices that can play video and/or audio from pre-recorded media. This transformation began in the early 1900s with the invention of the phonograph-which for the first time allowed a consumer to listen to his or her favorite band, orchestra or singer in his or her home whenever he or she wishes. The availability of inexpensive video cassette recorders/players beginning in the early 1980s brought about a profound revolution in the movie and broadcast industries, creating an entirely new home consumer market for films, documentaries, music videos, exercise videos, etc. [0019] The entertainment industry has long searched for optimal media for distributing content to home consumers. The original phonograph cylinders distributed by Thomas Edison and other phonograph pioneers had the advantage that they were difficult to copy, but suffered from various disadvantages such as high manufacturing costs, low resistance to breakage, very limited playback time, relatively low playback quality, and susceptibility to damage from wear, scratching or melting. Later-developed wax and vinyl disks could hold more music material but suffered from many of the same disadvantages. Magnetic tapes, on the other hand, could be manufactured very inexpensively and could hold a large amount of program material (e.g., 2, 4 or even 6 hours of video and/or audio). Such magnetic tapes could reproduce program material at relatively high quality, and were not as susceptible to damage or wearing out. However, despite the many clear advantages that magnetic tape provides over other media, the entertainment industry has never regarded it as an ideal or optimum medium because of its great susceptibility to copying. [0020] Magnetic tape has the very flexible characteristic that it can be relatively easily recorded on. Indeed, the process for recording a magnetic tape is nearly as straightforward as that required for playing back pre-recorded content. Because of the relative ease by which magnetic tape can be recorded, home consumer magnetic tape equipment manufacturers have historically provided dual mode equipment that can both record and play back magnetic tapes. Thus, home audio and video tape players have traditionally had a "record" button that allows a consumer to record his or her own program material on a blank (un-recorded) magnetic tape. While this recording ability has given consumers additional flexibility (e.g., the ability to record a child's first words for posterity, and the ability to capture afternoon soap operas for evening viewing), it has unfortunately also been the foundation of an illegal multi-billion dollar content pirating industry that produces millions of illegal, counterfeit copies every year. This illegal pirating operation--which is international in scope--leeches huge amounts of revenue every year from the world's major entertainment content producers. The entertainment industry must pass along these losses to honest consumers--resulting in higher box office prices, and higher video and audio tape sales and rental prices. [0021] In the mid 1980s, the audio entertainment industry developed the optical compact disk as an answer to some of these problems. The optical compact disk--a thin, silvery plastic platter a few inches in diameter--can hold an hour or more of music or other audio programming in digital form. Such disks were later also used for computer data. The disk can be manufactured very inexpensively, and provides extremely high quality playback that is resistant to noise because of the digital techniques used to record and recover the information. Because the optical disk can be made from plastic, it is light weight, virtually unbreakable, and highly resistant to damage from normal consumer handling (unlike the prior vinyl records that were easily scratched or worn down even by properly functioning phonographs). And, because recording on an optical disk is, so far, significantly more difficult than playing back an optical disk, home consumer equipment providing both recording and playback capabilities is unlikely, in the near future, to be as cost-effective as play-only equipment--greatly reducing the potential for illicit copying. Because of these overwhelming advantages, the music industry has rapidly embraced the new digital compact disk technology--virtually replacing older audio vinyl disk media within the space of a few short years. Continue reading... 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