Protection of data on media recording disks
First Claim
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1. A system for protecting access to content recorded on a media recording disk (DVD), the system comprising:
- a disk security chip on the DVD, the disk security chip managing access to the content of the DVD, the disk security chip comprising a disk key not known to a disk manufacturer; and
a corresponding player security chip in a DVD player, the DVD player being operative to play the DVD, the player security chip managing use of a data stream received from the DVD, the disk security chip being in wireless communication with the player security chip,wherein the disk security chip is operative to send the DVD player the disk key after assuring that the DVD player is authentic.
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Abstract
This invention discloses a secure recording medium having at least one of audio, video and software content, comprising a plurality of media recording disks (DVD'"'"'s) with a disk security chip embedded in each the DVD, each the disk chip comprising a security key, wherein at least two of the DVD'"'"'s have different disk security keys.
A method for protecting access to content recorded on a media recording disk (DVD) is also disclosed.
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Citations
29 Claims
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1. A system for protecting access to content recorded on a media recording disk (DVD), the system comprising:
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a disk security chip on the DVD, the disk security chip managing access to the content of the DVD, the disk security chip comprising a disk key not known to a disk manufacturer; and a corresponding player security chip in a DVD player, the DVD player being operative to play the DVD, the player security chip managing use of a data stream received from the DVD, the disk security chip being in wireless communication with the player security chip, wherein the disk security chip is operative to send the DVD player the disk key after assuring that the DVD player is authentic. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for protecting access to content recorded on a media recording disk (DVD), the system comprising:
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a disk security chip disposed on the DVD, the disk security chip managing access to the content of the DVD; and a corresponding player security chip disposed in a DVD player, the DVD player being operative to play the DVD, the player security chip managing use of a data stream received from the DVD, the disk security chip being in wireless communication with the player security chip, wherein the disk security chip is operative to send the DVD player the disk key after assuring that the DVD player is authentic. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A system for protecting access to content recorded on a media recording disk (DVD), the system comprising:
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means for managing access to the content of the DVD, the means for managing access comprising a disk key not known to a disk manufacturer; and corresponding player security means comprised in a DVD player, the DVD player being operative to play the DVD, the player security means managing use of a data stream received from the DVD, the means for managing access being in wireless communication with the player security means; and wherein the means for managing access, after assuring that the DVD player is authentic, sends the DVD player the disk key.
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16. A system for protecting access to content recorded on a media recording disk (DVD), comprising:
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means for managing access to the content of the DVD; and corresponding player security means comprised in a DVD player, the DVD player being operative to play the DVD, the player security chip means managing use of a data stream received from the DVD, the means for managing access being in wireless communication with the player security means, wherein the means for managing access, after assuring that the DVD player is authentic, sends the DVD player a disk key.
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17. A system for protecting access to content recorded on a media recording disk, the system comprising:
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a disk security chip operatively associated with the media recording disk, the disk security chip managing access to the content of the media recording disk, the disk security chip comprising a disk key; and a corresponding player security chip associated with a player, the player being operative to play the media recording disk, the player security chip managing use of a data stream received from the media recording disk, the disk security chip being in communication with the player security chip, wherein the disk security chip is operative to send the player the disk key after assuring that the player is authentic. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification