Rendering of content
First Claim
Patent Images
1. A method of rendering content on a rendering machine connectable to a personal trusted device, said method comprising the steps of:
- receiving in the rendering machine a request from a personal trusted device connected thereto, said request identifying encrypted content to be rendered;
obtaining said encrypted content from a repository; and
acquiring a content decryption key from said personal trusted device, said key being used to decrypt said content.
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Accused Products
Abstract
A personal trusted device is capable of communicating with a rendering machine such as an audio amplifier. Content to be played on the amplifier is selected by a user of the personal trusted device, the relevant permissions being negotiated between the device and the machine. Thus, it is possible for encrypted digital content to be rendered at a location and on a machine suited to the user'"'"'s requirements.
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Citations
34 Claims
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1. A method of rendering content on a rendering machine connectable to a personal trusted device, said method comprising the steps of:
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receiving in the rendering machine a request from a personal trusted device connected thereto, said request identifying encrypted content to be rendered;
obtaining said encrypted content from a repository; and
acquiring a content decryption key from said personal trusted device, said key being used to decrypt said content. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computer program for rendering content on a rendering machine connectable to a personal trusted device, said computer program when executed causes the rendering machine to perform the steps of:
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receiving in the rendering machine a request from a personal trusted device connected thereto, said request identifying encrypted content to be rendered;
obtaining said encrypted content from a repository; and
acquiring a content decryption key from said personal trusted device, said key being used to decrypt said content.
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8. A method of rendering content on a rendering machine connectable to a personal trusted device, said method comprising the steps of:
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sending from the personal trusted device a request identifying encrypted content to be rendered to said rendering machine; and
responding to a request from said rendering machine by delivering a content decryption key corresponding to the encrypted content obtained thereby. - View Dependent Claims (9, 10, 11, 12, 13, 16, 19, 20, 21)
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14. A computer program for rendering content on a rendering machine connectable to a personal trusted device, said computer program when executed causes the rendering machine to perform the steps of:
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sending from the personal trusted device a request identifying encrypted content to be rendered to said rendering machine; and
responding to a request from said rendering machine by delivering a content decryption key corresponding to the encrypted content obtained thereby.
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15. A method of rendering content on a rendering machine connectable to a personal trusted device, said method comprising the steps of:
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receiving in the rendering machine a request from a personal trusted device connected thereto said request identifying encrypted content to be rendered;
obtaining said encrypted content from a repository;
delivering said content to the personal trusted device; and
establishing a secure channel with said personal trusted device in order to receive decrypted content therefrom.
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17. A computer program for rendering content on a rendering machine connectable to a personal trusted device, said computer program when executed causes the rendering machine to perform the steps of:
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receiving in the rendering machine a request from a personal trusted device connected thereto said request identifying encrypted content to be rendered;
obtaining said encrypted content from a repository;
delivering said content to the personal trusted device; and
establishing a secure channel with said personal trusted device in order to receive decrypted content therefrom.
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18. A method of rendering content on a rendering machine connectable to a personal trusted device, said method comprising the steps of:
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sending from the personal trusted device a request identifying encrypted content to be rendered to said rendering machine;
receiving said encrypted content from said rendering machine;
establishing a secure channel with said rendering machine; and
decrypting said encrypted content before returning said decrypted content over said channel to said rendering machine.
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22. A computer program for rendering content on a rendering machine connectable to a personal trusted device, said computer program when executed causes the rendering machine to perform the steps of:
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sending from the personal trusted device a request identifying encrypted content to be rendered to said rendering machine;
receiving said encrypted content from said rendering machine;
establishing a secure channel with said rendering machine; and
decrypting said encrypted content before returning said decrypted content over said channel to said rendering machine. - View Dependent Claims (24, 25, 26, 28, 29)
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23. A rendering machine for rendering content comprising:
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a communication interface operable to establish a channel with a personal trusted device and in response to a request from a personal trusted device, to download encrypted content identified in said request; and
a decryption engine operable to decrypt said content using a content decryption key obtained from said personal trusted device.
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27. A personal trusted device for connection to a rendering machine, comprising:
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a user interface for selecting encrypted content to be rendered;
a communications terminal operable to establish a channel with a rendering machine over which a request identifying said encrypted content may be delivered; and
a protected processing environment operable to provide a content decryption key corresponding to content selected by said user interface, wherein said key is deliverable over said channel to facilitate decryption of said content obtained by said rendering machine.
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30. A personal trusted device for connection to a rendering machine, comprising:
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a user interface for selecting encrypted content to be rendered;
a communications terminal operable to establish a secure channel with a rendering machine over which a request identifying said encrypted content may be delivered and over which corresponding encrypted content is returned; and
a protected processing environment operable to provide a content decryption key corresponding to content selected by said user interface wherein said content decryption key being utilized to decrypt said content returned by said rendering machine, and wherein said decrypted content being delivered over said secure channel to said rendering machine. - View Dependent Claims (31, 32)
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33. A rendering method for encrypted content comprising the steps of:
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generating a content rendering request on a personal trusted device, transmitting said request identifying the encrypted content to a remote rendering machine; and
providing a corresponding decryption key to said machine to facilitate decryption of said content prior to rendering thereof.
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34. A rendering method for encrypted content comprising the steps of:
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receiving a request from a personal trusted device identifying encrypted content;
sourcing said identified content; and
obtaining a decryption key corresponding to said content whereby said content may be decrypted and rendered.
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Specification