摘要:
Disclosed is an original contents creation apparatus realizing a protection of original contents and derived contents in a derived contents distribution by any number of secondary providers. An original contents creation apparatus includes a limitation rule acquisition unit for acquiring a limitation rule of a case of inserting additional secondary contents into original contents, and a joining/signature unit for joining the limitation rule and a first operation rule to the original contents, the first operation rule defining an operation of a case of having detected an insertion of secondary contents violating the limitation rule, and giving an electronic signature to the original contents to which the limitation rule and the first operation rule are joined.
摘要:
A structured document signature device includes an adaptation policy associator configured to associate each element forming a structured document with an adaptation policy indicating an action which can be adapted to a child element of the element or a value of the element; a hash tree constructor configured to insert a hash value of the child element of the element or a hash value of the value of the element into the structured document as an attribute value of the element, and to construct a hash tree including the hash value; a digital signature adder configured to add a digital signature to a root of the hash tree and the adaptation policy; and an output configured to output the structured document and the digital signature.
摘要:
A multi signature verification system adds new additional data to original data with a signature attached thereto and verifies validity of the original data and the additional data. The system includes an electronic signature attaching apparatus including an electronic signature attaching unit attaching an electronic signature to original data previously created, acquired trapdoor hash value, and identification information, a data addition apparatus, and an electronic signature verification apparatus.
摘要:
Disclosed is an original contents creation apparatus realizing a protection of original contents and derived contents in a derived contents distribution by any number of secondary providers. An original contents creation apparatus includes a limitation rule acquisition unit for acquiring a limitation rule of a case of inserting additional secondary contents into original contents, and a joining/signature unit for joining the limitation rule and a first operation rule to the original contents, the first operation rule defining an operation of a case of having detected an insertion of secondary contents violating the limitation rule, and giving an electronic signature to the original contents to which the limitation rule and the first operation rule are joined.
摘要:
A multi signature verification system adds new additional data to original data with a signature attached thereto and verifies validity of the original data and the additional data. The system includes an electronic signature attaching apparatus including an electronic signature attaching unit attaching an electronic signature to original data previously created, acquired trapdoor hash value, and identification information, a data addition apparatus, and an electronic signature verification apparatus.
摘要:
A structured document signature device includes an adaptation policy associator configured to associate each element forming a structured document with an adaptation policy indicating an action which can be adapted to a child element of the element or a value of the element; a hash tree constructor configured to insert a hash value of the child element of the element or a hash value of the value of the element into the structured document as an attribute value of the element, and to construct a hash tree including the hash value; a digital signature adder configured to add a digital signature to a root of the hash tree and the adaptation policy; and an output configured to output the structured document and the digital signature.
摘要:
The present invention provides a communication terminal, a billing apparatus, a service providing apparatus, and a program all of which operate when a service is provided via communications, to enable a billing process based on diversified billing rules to be accomplished without increasing loads on network facilities. A billing rule acquiring function 1011 of a communication terminal 100 receives a first billing rule for a communication charge required to distribute service information, from a billing server 200. The billing rule acquiring function 1011 receives, from a service providing server 300, metadata containing second billing information individually set for service information. A communication history recording section 106 records a communication history when service information is received via a communication network. A billing information generating section 110 generates billing information on provision of a service on the basis of the billing rule information and communication history.
摘要:
A client apparatus to which data or a function is provided from a server apparatus, including: a monitoring unit configured to monitor monitoring target software, and detect an abnormal state or unauthorized state of the target software; a server management unit configured to manage an address of the server apparatus that is being accessed by the client apparatus; an abnormality information creation unit configured to create abnormality information from the abnormal state or the unauthorized state, which is detected by the monitoring unit; and an abnormality information notification unit configured to issue the abnormality information to the server apparatus managed by the server management unit.
摘要:
A client apparatus to which data or a function is provided from a server apparatus, including: a monitoring unit configured to monitor monitoring target software, and detect an abnormal state or unauthorized state of the target software; a server management unit configured to manage an address of the server apparatus that is being accessed by the client apparatus; an abnormality information creation unit configured to create abnormality information from the abnormal state or the unauthorized state, which is detected by the monitoring unit; and an abnormality information notification unit configured to issue the abnormality information to the server apparatus managed by the server management unit.
摘要:
An access controller controls access to control target resources by a program. The access controller includes a function access detection unit and a resource access control unit. The function access detection unit detects loading of a control target function from the program and generates identification information to specify an access request issued from the detected control target function. The resource access control unit obtains a request of accessing the control target resources from the program and determines permission of the access request based on the identification information.