Information communication device, information communication system, and computer program product for transmission control
First Claim
1. An information communication device for transmitting electronic data encrypted for the purpose of copyright protection, the device comprising:
- an identification information managing unit configured to hold device identification information in connection with other information communication devices acquired through a network;
an ID registration processing unit configured to register the device identification information of another communication device when the other communication device satisfies a predetermined distance condition or when common identification information that is held by both information communication devices is received form a portable device; and
an authentication and key exchange processing unit configured to, for the purpose of copyright protection, complete authentication and key exchange process (AKE process) only when another information communication device whose device identification information is registered in the identification information managing unit.
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0 Petitions
Accused Products
Abstract
An aspect of the present invention provides an information communication device for transmitting electronic data encrypted for the purpose of copyright protection, the device includes that an identification information managing unit configured to hold device identification information in connection with other information communication devices acquired through a network, an ID registration processing unit configured to register the device identification information of another connection device when the other communication device satisfies a predetermined distance condition or when common identification information that is held by both information communication devices is received from a portable device, and an authentication and key exchange processing unit configured to, for the purpose of copyright protection, complete authentication and key exchange process (AKE process) only when another information communication device whose device identification information is registered in the identification information managing unit.
74 Citations
30 Claims
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1. An information communication device for transmitting electronic data encrypted for the purpose of copyright protection, the device comprising:
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an identification information managing unit configured to hold device identification information in connection with other information communication devices acquired through a network;
an ID registration processing unit configured to register the device identification information of another communication device when the other communication device satisfies a predetermined distance condition or when common identification information that is held by both information communication devices is received form a portable device; and
an authentication and key exchange processing unit configured to, for the purpose of copyright protection, complete authentication and key exchange process (AKE process) only when another information communication device whose device identification information is registered in the identification information managing unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An information communication system for transmitting electronic data encrypted for the purpose of copyright protection, the system comprising:
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a sending device; and
a receiving device configured to receive electronic data encrypted for the purpose of copyright protection and sent from the sending device, wherein at least one of the sending device and the receiving device comprises;
an identification information managing unit configured to hold device identification information regarding another device acquired through a network;
an ID registration processing unit configured to register the device identification information of another device when the other device is recognized to be connected to a network having a prescribed limited range; and
an authentication and key exchange processing unit configured to complete AE process only when another information communication device whose device identification information is registered in the identification information managing unit.
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11. A computer program product comprising a computer useable medium having computer program logic recorded thereon for enabling a processor to control transmission of electronic data encrypted for the purpose of copyright protection, the computer program product comprising:
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a sending procedure that enables the processor to send a request packet to another device with which communication is to be conducted;
a receiving procedure that enables the processor to receive a response packet from another device;
a determining procedure that enables the processor to determine if another information communication device is connected to a network having a prescribed limited range based on the received device ID response packet;
a registration procedure that enables the processor to register the device identification information of another information communication device when it is determined that the other information communication device is connected to a network having a prescribed limited range; and
an authentication and key exchange procedure that enables the processor to, for the purpose of copyright protection, complete AKE process only when another information communication device whose device identification information is registered in the registration procedure.
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12. An information communication device for transmitting electronic data encrypted for the purpose of copyright protection to another information communication device through a network, the device comprising:
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a first interface unit that is connected to the network;
a second interface unit configured to receive unique identification information sent from an identification information sending device that is capable of communicating with the information communication device;
an identification information managing unit configured to hold said unique identification information after it is received;
an identification information registration processing unit configured to register said unique identification information to the identification information managing unit and determine if the unique identification information is registered in another device; and
a first authentication and key exchange processing unit configured to complete authentication of and key exchange with another information communication device for the purpose of copyright protection when it is determined that the unique identification information is registered in the other information communication device. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 22)
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21. The information communication device as claimed in clam 12, wherein the unique identification information is unique to each identification information sending device.
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23. An information communication device for sending identification information to first and second information communication devices configured to transmit electronic data encrypted for copyright protection over a network, the information communication device comprising:
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an identification information holding unit configured to hold unique identification information that is required in order for the first and second information communication devices to transmit the electronic data which are required for copyright protection to complete authentication and key exchange process (AKE process); and
a communication unit configured to send the unique identification information to the first and second communication devices. - View Dependent Claims (24, 25, 26, 27, 28)
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29. A data transmission system, comprising:
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a sending device connected to a network;
a receiving device configured to receive electronic data sent from the sending device through the network, the electronic data having been encrypted for the purpose of copyright protection;
wherein at least one of the sending device and the receiving device comprises;
a communication unit configured to communicate with an identification information sending device through an interface that is separate from the network and receive unique identification information sent from the identification information sending device;
an identification information registering unit configured to register the received unique identification information;
an identification information registration determining unit configured to determine if the unique identification information is registered in another communication device; and
an authentication and key exchange processing unit configured to complete authentication of and key exchange with another communication device for the purpose of copyright protection only when it is determined that the unique identification information is registered in the other communication device.
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30. A computer program product comprising a computer useable medium having a computer program logic recorded thereon for enabling a processor to control the transmission of electronic data between a sending device connected to a network and a receiving device configured to receive electronic data encrypted for the purpose of copyright protection and sent from the sending device through the network, the computer program product comprising:
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a receiving procedure that enables the processor to communicate with an identification information sending device through an interface that is separate from the network and receive unique identification information sent from the identification information sending device;
a registration procedure that enables the processor to register the received unique identification information;
a determining procedure that enables the processor to determine if the unique identification information is registered in another communication device; and
an authentication and key exchange procedure that enables the processor to complete authentication of and key exchange with another communication device for the purpose of copyright protection only when it is determined that the unique identification information is registered in the other communication device.
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Specification