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Information management device, information management method, and information management program

An information management device and information management technology, applied in the field of information management devices, can solve problems such as restrictions on the use of control information

Inactive Publication Date: 2012-05-23
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, User B cannot control the use restriction of information according to the information requester

Method used

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  • Information management device, information management method, and information management program
  • Information management device, information management method, and information management program
  • Information management device, information management method, and information management program

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] In the following embodiments, the configuration and processing of the information management device according to the first embodiment will be described. use figure 1 , the configuration of the information management device 1 according to the first embodiment will be described. figure 1 It is a block diagram showing the configuration of the information management device according to the first embodiment.

[0042] The information management device 1A of Embodiment 1 has: a first control information setting unit 2, a second control information setting unit 3, a transfer permission unit 4, and a display permission unit 5, and communicates with other information management devices 1B and 1C via a network. , 1D, 1E connections.

[0043] The first control information setting unit 2 sets first control information for permitting use of the information in the transmission destination terminal 1B in the information. The second control information setting unit 3 sets the secon...

Embodiment 2

[0049]In the following embodiments, the configuration and processing procedures of the information management device according to the second embodiment will be described in order, and finally the effects of the first embodiment will be described. Hereinafter, the case where key information consisting of a public key and a private key is used as control information is taken as an example for description. In addition, an example of application to a case where information is shared in a temporary group for the purpose of providing information will be described.

[0050] [Structure of information management device]

[0051] First, use figure 2 The configuration of the information management device 10 will be described. figure 2 It is a block diagram showing the configuration of the information management device 10 according to the second embodiment. Such as figure 2 As shown, the information management device 10 has a use authority setting data storage area 11, a public key...

Embodiment 3

[0116] In the above-mentioned second embodiment, the case where the information management device of the user keeps the shared information in the group is described, but this embodiment is not limited thereto, and the shared information can also be kept by an external terminal.

[0117] In view of this, in the following embodiment 3, for information shared within a group, that is, shared information, a one-time use key that is permitted to be used in a terminal that has obtained the shared information, or a terminal that is permitted to obtain the shared information is set. The secondary utilization key forwarded by the terminal. Furthermore, as a case of storing the shared information in which the primary use key or the secondary use key is set in an external terminal, use Figure 23 to Figure 26 , the processing of the information management device 10a in the third embodiment will be described. Figure 23 It is a figure explaining the processing which makes an external term...

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PUM

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Abstract

An information management device (1A) sets in information, first control information which permits use of information in a terminal of a transmission destination which does not permit information transfer and sets in information, second control information which permits transfer for a transmission destination terminal which permits information transfer. Moreover, upon reception of information containing the first control information from a transmission source terminal, the information management device (1A) performs control to permit use of display of the information in the local device. Upon reception of information containing the second control information from a transmission source terminal, the information management device (1A) performs control to permit transfer of the information.

Description

technical field [0001] The present invention relates to an information management device, an information management method, and an information management program. Background technique [0002] Conventionally, there has been a prevailing method of promoting communication among members and improving convenience for members by forming a group of members having the same job, interest, etc., and providing information to the members in the group. For example, in such a group, an owner who owns information provides information by sending information from his own terminal to the terminals of other members. [0003] In addition, as a group for sharing information, a temporary group for sharing information only for a certain period of time may be formed. There is known a method of transmitting one's own information to another's terminal via an introducing terminal in order to form such a temporary group. For example, if Figure 27 As shown in FIG. 1 , a commission request for introd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/24G06F21/10G06F21/60G06F21/62G06F21/64
CPCG06Q10/00G06Q10/10G06F21/6209H04M2203/6009G06F21/62G06F15/16
Inventor 林田尚子
Owner FUJITSU LTD
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