CN101931948A - Short-distance wireless sense communication node device - Google Patents
Short-distance wireless sense communication node device Download PDFInfo
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- CN101931948A CN101931948A CN2010102475914A CN201010247591A CN101931948A CN 101931948 A CN101931948 A CN 101931948A CN 2010102475914 A CN2010102475914 A CN 2010102475914A CN 201010247591 A CN201010247591 A CN 201010247591A CN 101931948 A CN101931948 A CN 101931948A
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Abstract
The invention aims at disclosing a short-distance wireless sense communication node device which comprises a route which is used for forming into a node network, a safe short-distance wireless sense node device of terminal equipment, and a safe short-distance wireless convergent node device which is used for forming into coordinating equipment of the node network. The safe short-distance wireless sense node device is formed by the mutual connection of a short-distance wireless radio frequency module, a universal sensor interface, a power supply module and a data processing module; and the safe short-distance wireless convergent node device is formed by the mutual connection of the short-distance wireless radio frequency module, a network interface, the power supply module and the data processing module. With a data processing device which integrates with a plurality of symmetrically-encrypted and asymmetrically-encrypted algorithms, the short-distance wireless sense communication node device improves the safety of the short-distance wireless node, can resist the falsification and the fabrication of the communication content of the node network, performs the network mask to the illegal access nodes, and achieves the aims.
Description
Technical field
The present invention relates to a kind of node device, particularly a kind of radio communication and information security field are used to improve the short-distance wireless sense communication node device with symmetry and rivest, shamir, adelman hardware and function of short-distance wireless communication fail safe.
Background technology
The node device is a kind of electronic circuit hardware, it is the base unit that constitutes the short-distance wireless sense network entity, the node device is the entity of information gathering and networking, it carries out analog-to-digital conversion and data processing with the analog sensed signal of input, then result is transferred to network by wireless radio frequency modules, for various application services provide on-the-spot perception information.
The node device can be taken on a kind of in telegon, router or the sensing terminal by the function branch in network, a plurality of node devices are coupled together form self-organizing network (as shown in Figure 1); This network has a wide range of applications in fields such as military affairs, agricultural, health care, industrial monitoring, community's security protection, intelligent transportation, environmental monitorings.
Each big colleges and universities both domestic and external, scientific research institutions and esbablished corporation also all successively participate in having carried out the research of radio sensing network.Ke Ersibo company is one of the pioneer who carries out wireless sensor network research that takes the lead in the world, under the wireless sensor network hardware product numerously (comprise IRIS, MicaZ, Imote2, TelosB, Cricket etc.), for surpassing large-scale company of 2000 colleges and universities and thousands of family, the whole world provides the wireless senser solution.At present Crossbow company makes giant with software giant Microsoft, sensor device giant Honeywell, Intel of hardware device manufacturer, the network equipment, a University of California Berkeley of colleges and universities etc. and all set up cooperative relationship.Texas Instrument, microprocessor manufacturers Atmel etc. also drop into great fund and scientific research strength in the sensor network field in addition, and these all are that wireless sensor network further develops and solid foundation has been established in final commercialization.
Abroad at wireless sense network technical elements comparative maturity, product is many; Patent is many aspect the low power processor of integrating radio frequency base band, and product is quite a few, as TI (Texas Instrument), Freescale (Freescale) etc. self-organized network communication scheme based on one or two chip is arranged all; The patent of short range wireless communication protocol aspect and standard are also many, but the mode of passing through the hardware guarantee information security in these schemes just realizes with 128 AES symmetric encipherment algorithms, relatively weaker comparatively speaking, there is potential safety hazard, shortage is based on the hardware node scheme of asymmetric enciphering and deciphering algorithm, the use that comes the support node authentication mechanism.
In sum, above-mentioned defective at existing existence needs a kind of short-distance wireless sense communication node device especially, supports symmetry and asymmetric two class enciphering and deciphering algorithms, substantive, improve the fail safe of radio sensing network significantly, to solve above-mentioned problem.
Summary of the invention
The object of the present invention is to provide a kind of short-distance wireless sense communication node device, at the deficiencies in the prior art, have symmetry and rivest, shamir, adelman hardware and function, can set up safe wireless sensing node network (hereinafter to be referred as meshed network), promote the information transmission safety of existing short-distance wireless sense communication node significantly, promptly under the prerequisite of guaranteeing the correct transmission of heat transfer agent, further ensure reliability, credibility and the fail safe of node data.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of short-distance wireless sense communication node device is characterized in that, it comprises the safe short-distance wireless sense node device of the route that is used for the configuration node network and terminal equipment and is used for the safe short-distance radio aggregation node device of the Mediation Device of configuration node network; Universal sensor interface, a power module and a pair of node that described safe short-distance wireless sense node device is used to connect the short-distance wireless sense node by a short-distance radio radio-frequency module, authenticates and the data processing module that the transmission data are carried out encryption and decryption is connected to each other and constitute; Described safe short-distance radio aggregation node device is used to connect network interface, a power module and a pair of node of aggregation node by a short-distance radio radio-frequency module, one and node authenticates and the data processing module that the transmission data are carried out encryption and decryption is connected to each other constitutes.
In one embodiment of the invention, described data processing module is made of a secure chip processor and its peripheral circuit; Described secure chip processor dynamically selects to call symmetry as required and asymmetric enciphering and deciphering algorithm carries out entity authentication, information data is handled and the information data encryption and decryption.
Further, described symmetry and asymmetric enciphering and deciphering algorithm comprise DES, 3DES, AES and RSA, ECC.
In one embodiment of the invention, the encrypted data transmission of short-distance wireless sense communication node device of the present invention comprises the steps:
The first step is issued information control center together with connect signal and safe short-distance radio aggregation node device unique address sign indicating number of request;
In second step, information control center utilizes rivest, shamir, adelman, and the secret key of data encryption that safety short-distance radio aggregation node device will be used is encrypted with pre-shared PKI and to be passed to safe short-distance radio aggregation node device;
The 3rd step, safe short-distance radio aggregation node device obtains the secret key of data encryption by the private key deciphering of asymmetric arithmetic, if there is not private key not decipher the secret key of data encryption, the sensing data stream that utilizes symmetric encipherment algorithm need upload with this secret key pair is again encrypted, and issues information control center;
In the 4th step, the information control center deciphering obtains this traffic flow information, provides application to business platform.
Short-distance wireless sense communication node device of the present invention, the data processor of the multiple algorithm that has used symmetry and asymmetric encryption integrated, promote the fail safe of short-distance radio node, can ensure meshed network Content of Communication anti-tamper, anti-counterfeiting and to the net mask of illegal access node, realize purpose of the present invention.
Characteristics of the present invention can be consulted the detailed description of the graphic and following better execution mode of this case and be obtained to be well understood to.
Description of drawings
Fig. 1 is existing short-distance wireless sense meshed network schematic diagram;
Fig. 2 is the structured flowchart of safe short-distance wireless sense node device of the present invention;
Fig. 3 is the structured flowchart of safe short-distance radio aggregation node device of the present invention;
Fig. 4 is the structure function figure of secure chip processor of the present invention;
Fig. 5 is that the safety of meshed network of the present invention and application network inserts schematic diagram;
Fig. 6 is the schematic flow sheet of security node authentication of the present invention and data encryption transmission.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Short-distance wireless sense communication node device of the present invention, it comprises the safe short-distance wireless sense node device 100 of the route that is used for the configuration node network and terminal equipment and is used for the safe short-distance radio aggregation node device 200 of the Mediation Device of configuration node network.
As shown in Figure 2, safe short-distance wireless sense node device 100 is used to connect universal sensor interface 120, a power module 130 of short-distance wireless sense node by a short-distance radio radio-frequency module 110, one and a pair of node authenticates and the data processing module 140 that the transmission data are carried out encryption and decryption is connected to each other constitutes, short-distance radio radio-frequency module 10, universal sensor interface 120 and data processing module 140 are connected successively, and power module 130 is connected with short-distance radio radio-frequency module 110, universal sensor interface 120 and data processing module 140 respectively.
Safe short-distance wireless sense node device 100 has heat transfer agent collection, processing, the information encryption and decryption, wireless transmission is transmitted, and participates in setting up meshed network and participate in safety inserting functions such as application network authentication, for application network provides credible, reliable, available on-the-spot heat transfer agent data.
As shown in Figure 3, safe short-distance radio aggregation node device 200 is used to connect network interface 220, a power module 230 and a pair of node of aggregation node by a short-distance radio radio-frequency module 210, one and node authenticates and the data processing module 240 that the transmission data are carried out encryption and decryption is connected to each other constitutes, short-distance radio radio-frequency module 210, network interface 220 and data processing module 240 are connected successively, and power module 230 is connected with short-distance radio radio-frequency module 210, network interface 220 and data processing module 240 respectively.
Safe short-distance radio aggregation node device 200 has the establishment meshed network, the information encryption and decryption, wireless transmission participates in safety and inserts functions such as application network authentication, safe short-distance radio aggregation node device 200 is Mediation Devices of meshed network, is connecting meshed network and application network.
In the present invention, data processing module 140 is made of a secure chip processor and its peripheral circuit, its inside function structure such as Fig. 4, its particularity is to combine processing nuclear, bus, memory cell and symmetry, rivest, shamir, adelman unit makes it can realize functions such as bus encryption scrambling, memory block safe access control, and hardware supports is carried out in the application of 1024 RSA, DES, 3DES, 256 AES scheduling algorithms.
Described secure chip processor mainly is control and a data processing of finishing coded communication and each module; By exploitation to the Chip Operating System and the application processing function of safety encipher processor chips, can select call different asymmetric enciphering and deciphering algorithms such as RSA, ECC according to user's request, carry out entity authentication based on the safety access of application network.After entity authentication passes through, just can the access node network, select to call heat transfer agent that symmetrical enciphering and deciphering algorithms such as DES, 3DES, AES gather and handle well node then and carry out encrypted transmission and arrive aggregation node and arrive application network again.
The structure of data processing module 240 is identical with data processing module 140.
As shown in Figure 5, introduced the construction method of the safety access of meshed network and application network, for application provides simple model.
As shown in Figure 6, in the present invention, the encrypted data transmission of short-distance wireless sense communication node device of the present invention comprises the steps:
The first step is issued information control center together with connect signal and safe short-distance radio aggregation node device unique address sign indicating number of request;
In second step, information control center utilizes rivest, shamir, adelman, and the secret key of data encryption that safety short-distance radio aggregation node device will be used is encrypted with pre-shared PKI and to be passed to safe short-distance radio aggregation node device;
The 3rd step, safe short-distance radio aggregation node device obtains the secret key of data encryption by the private key deciphering of asymmetric arithmetic, if there is not private key not decipher the secret key of data encryption, the sensing data stream that utilizes symmetric encipherment algorithm need upload with this secret key pair is again encrypted, and issues information control center;
In the 4th step, the information control center deciphering obtains this traffic flow information, provides application to business platform.
By such system hardware model, can realize that safe and reliable radio node access authentication communicates by letter with sensing data, fill up the existing low shortcoming of sensing network Information Security.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a short-distance wireless sense communication node device is characterized in that, it comprises the safe short-distance wireless sense node device of the route that is used for the configuration node network and terminal equipment and is used for the safe short-distance radio aggregation node device of the Mediation Device of configuration node network; Universal sensor interface, a power module and a pair of node that described safe short-distance wireless sense node device is used to connect the short-distance wireless sense node by a short-distance radio radio-frequency module, authenticates and the data processing module that the transmission data are carried out encryption and decryption is connected to each other and constitute; Described safe short-distance radio aggregation node device is used to connect network interface, a power module and a pair of node of aggregation node by a short-distance radio radio-frequency module, one and node authenticates and the data processing module that the transmission data are carried out encryption and decryption is connected to each other constitutes.
2. short-distance wireless sense communication node device as claimed in claim 1 is characterized in that, described data processing module is made of a secure chip processor and its peripheral circuit; Described secure chip processor dynamically selects to call symmetry as required and asymmetric enciphering and deciphering algorithm carries out entity authentication, information data is handled and the information data encryption and decryption.
3. short-distance wireless sense communication node device as claimed in claim 2 is characterized in that, described symmetry and asymmetric enciphering and deciphering algorithm comprise DES, 3DES, AES and RSA, ECC.
4. short-distance wireless sense communication node device as claimed in claim 1 is characterized in that the encrypted data transmission of short-distance wireless sense communication node device of the present invention comprises the steps:
The first step is issued information control center together with connect signal and safe short-distance radio aggregation node device unique address sign indicating number of request;
In second step, information control center utilizes rivest, shamir, adelman, and the secret key of data encryption that safety short-distance radio aggregation node device will be used is encrypted with pre-shared PKI and to be passed to safe short-distance radio aggregation node device;
The 3rd step, safe short-distance radio aggregation node device obtains the secret key of data encryption by the private key deciphering of asymmetric arithmetic, if there is not private key not decipher the secret key of data encryption, the sensing data stream that utilizes symmetric encipherment algorithm need upload with this secret key pair is again encrypted, and issues information control center;
In the 4th step, the information control center deciphering obtains this traffic flow information, provides application to business platform.
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| CN2010102475914A CN101931948A (en) | 2010-08-06 | 2010-08-06 | Short-distance wireless sense communication node device |
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| CN2010102475914A CN101931948A (en) | 2010-08-06 | 2010-08-06 | Short-distance wireless sense communication node device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147612A (en) * | 2011-04-08 | 2011-08-10 | 江南大学 | Wireless sensor network data acquisition system based on 32-bit micro-processor |
| CN102685740A (en) * | 2012-03-29 | 2012-09-19 | 公安部第三研究所 | Short-distance wireless communication node and wireless communication method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672831A1 (en) * | 2004-12-16 | 2006-06-21 | Nagravision S.A. | Method for transmission of digital data in a local network |
| CN101159748A (en) * | 2007-11-14 | 2008-04-09 | 北京科技大学 | Entity authentication method in wireless sensor network |
| CN101699873A (en) * | 2009-10-21 | 2010-04-28 | 南京邮电大学 | Classification security-based broadcast authentication design method |
-
2010
- 2010-08-06 CN CN2010102475914A patent/CN101931948A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672831A1 (en) * | 2004-12-16 | 2006-06-21 | Nagravision S.A. | Method for transmission of digital data in a local network |
| CN101159748A (en) * | 2007-11-14 | 2008-04-09 | 北京科技大学 | Entity authentication method in wireless sensor network |
| CN101699873A (en) * | 2009-10-21 | 2010-04-28 | 南京邮电大学 | Classification security-based broadcast authentication design method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147612A (en) * | 2011-04-08 | 2011-08-10 | 江南大学 | Wireless sensor network data acquisition system based on 32-bit micro-processor |
| CN102685740A (en) * | 2012-03-29 | 2012-09-19 | 公安部第三研究所 | Short-distance wireless communication node and wireless communication method |
| CN102685740B (en) * | 2012-03-29 | 2016-01-27 | 公安部第三研究所 | A kind of short-distance wireless communication node and wireless communications method |
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Application publication date: 20101229 |