Abstract
The invention provides an enciphering apparatus and method a deciphering apparatus and method and an information processing apparatus and method by which illegal copying can be prevented with certainty. Data enciphered by a 1394 interface of a DVD player is transmitted to a personal computer and a magneto-optical disk apparatus through a 1394 bus. In the magneto-optical disk apparatus with which a change to a function is open to a user the received data is deciphered by a 1394 interface. In contrast in the personal computer with which a change to a function is open to a user the enciphered data is deciphered using a time variable key by a 1394 interface and a result of the decipherment is further deciphered using a session key by an application section.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
4G,3G,2G | 23/04/2014 | ISLD-201404-004 | SONY CORP |
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Specification Information
Specification Information
Technologies
Family Information
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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EP2385439A1 | 4G,3G,2G | 23/04/2014 | ISLD-201404-004 | SONY CORP |
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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No | Family Member | |||
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Yes | Basis Patent | |||
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Yes | Basis Patent | |||
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Yes | Basis Patent | |||
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No | Family Member | |||
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No | Family Member | |||
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.