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Entity capability discrimination and key managing method for body (sensor) network

A body and network technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as undiscovered entity authentication methods or key management methods, and achieve the effect of reducing system burden and enhancing security

Inactive Publication Date: 2007-10-03
THE CHINESE UNIVERSITY OF HONG KONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After searching the patent databases of China, the United States and Europe, no entity authentication method or key management method using human body channel was found

Method used

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  • Entity capability discrimination and key managing method for body (sensor) network
  • Entity capability discrimination and key managing method for body (sensor) network
  • Entity capability discrimination and key managing method for body (sensor) network

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Embodiment Construction

[0030] specific implementation plan

[0031] The method according to the embodiment of the present invention will be specifically described below with reference to FIGS. 1 to 4 .

[0032] In the body (sensing) network as shown in FIG. 1, the entity authentication method and the key management method made by the present invention are realized. Assume that the two biomedical sensors that currently require entity authentication and key management are s1 (101) and s 2 (102), they can communicate with each other via wireless channel (103) or human body channel (104). Based on human channel (104), s 1 (101) and s 2 (102) The same physiological signal can be detected—the photoplethysmographic signal y shown in Figure 2 1 (t)(201) and y 2 (t) (202). the s 1 (101) and s 2 (102) Time intervals (204) between adjacent peaks (203) of the respective photoplethysmographic signals are respectively extracted as physiological information used in the method.

[0033] First, according to...

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Abstract

An entity right-certification and cipher key managing method used on body network includes using body sensor network or body area network formed by biomedical transducer self-organization as basic network to obtain and process as well as transmit biomedical information for realizing real time remote monitor on human-body physiological state and utilizing human body channel connected to said biomedical transducer in multiple way for realizing high efficiency of entity right- certification and cipher key management.

Description

technical field [0001] The invention relates to entity authentication and key management of a body (sensing) network, and belongs to the field of safe communication. Specifically applied to the encrypted authentication system of the Body Sensor Network (BSN) or Body Area Network (BAN) with biomedical sensors as network nodes, it can be used without significantly increasing the system burden. Provide multiple guarantees for the underlying security communication of the system. Background technique [0002] In recent years, with the rapid development of related technologies such as biosensing and mobile computing, biomedical sensors worn on the body surface or implanted in the body are attracting widespread attention. In the telemedicine system in the near future, biomedical sensors will become important terminals for acquiring physiological information of the human body. When there are two or more biomedical sensors within the human body, in order to reduce communication pow...

Claims

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Application Information

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IPC IPC(8): H04L9/10
Inventor 张元亭鲍淑娣
Owner THE CHINESE UNIVERSITY OF HONG KONG
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