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

A sensor network and key management technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as undiscovered entity authentication methods or key management methods, so as to reduce system burden and enhance security Effect

Inactive Publication Date: 2011-05-18
THE CHINESE UNIVERSITY OF HONG KONG
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  • Abstract
  • Description
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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

Examples

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Embodiment Construction

[0030] specific implementation plan

[0031] The following will refer to Figure 1 to Figure 4 The method according to the embodiment of the present invention is specifically described.

[0032] in such as figure 1 In the body (sensing) network shown, the entity authentication method and the key management method made by the present invention are implemented. Assume that the two biomedical sensors that currently require entity authentication and key management are s 1 (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) can detect the same kind of physiological signal—such as figure 2 The photoplethysmographic signal y shown 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. ...

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Abstract

The invention relates to an entity right-certification and cipher key management for a Body Sensor Network (BSN). An improvement upon techniques of biosensor and mobile computing and so on drives the instant development of a novel generation of medical treatment monitoring terminal-wearing / implantable biomedical transducer. In the near future, the BSN or a Body Area Network (BAN) constructed by self-assembling a plurality of biomedical transducers can be a basic network for obtaining, treating and transmitting biomedical information, thereby realizing a remote monitoring to human body physiological status in real time. The invention aims at the safety communication of the BSN, multiply uses the human body channels connected to the biomedical transducer, and realizes the high effective entity right-certification and cipher key management. The invention can provide multiple assurance for medical data security transmission of the BSN on the premise of not significantly increasing system load.

Description

field of invention [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 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/10
Inventor 张元亭鲍淑娣
Owner THE CHINESE UNIVERSITY OF HONG KONG
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