Method and device for checking equipment validity
A technology of legitimacy and equipment, applied in the field of communication, can solve the problems of low reliability, no effective inspection mechanism for information exchange, poor security of wireless network users, etc., to achieve the effect of ensuring security and reliability
Active Publication Date: 2013-01-23
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology
[0006] Embodiments of the present invention provide a method and device for checking device legitimacy, which is used to solve the problem that there is no effective checking mechanism for information interaction between eNodeB and MME in the establishment process of the S1 process in the prior art, which makes the security of wireless network users poor. The problem of low reliability
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[0031] In order to solve the problem in the prior art, during the establishment of S1, the eNodeB and the MME can exchange information only through simple configuration rule verification. Once the eNodeB is intercepted, the security and reliability of the wireless network user information transmission using the eNodeB are poor. problem of low sex. In the embodiment of the present invention, by adding a digital signature based on the PKI (Public Key Infrastructure, public key infrastructure) system between the eNodeB and the MME, the legality of the device is verified, and the S1 establishment process is improved, and the above-mentioned legality verification In the process, eNodeBs or MMEs that do not have legality are eliminated, and a convenient method is adopted to effectively ensure the security of the wireless network user information transmission process.
[0032] Preferred embodiments of the present invention will be described in detail below in conjunction with the acc...
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The invention discloses a method and device for checking equipment validity. The method comprises the steps that in an S1 creation process, first network side equipment creates a first network side equipment name abstract on the basis of a first network side equipment name and through a hash algorithm, encrypts the first network side equipment name abstract through a private key and creates a digital signature based on the first network side equipment name; the first network side equipment sends S1 creation request information carrying first information to second network side equipment; the second network side equipment decrypts the first information to obtain the first abstract and calculates the first network side equipment name according to the hash algorithm to obtain a second abstract; and when the second network side equipment judges that the first abstract and the second abstract are the same, the second network side equipment sends S1 creation success information to the first network side equipment. According to the technical scheme provided by the invention, the safety and reliability of information transmission of wireless network users are effectively guaranteed.
Description
technical field [0001] The present invention relates to the communication field, in particular to a method and device for checking the legitimacy of equipment. Background technique [0002] An eNodeB (Evolved NodeB, evolved base station) is an important device for information transmission in an LTE (Long Term Evolution; long-term evolution) system. Compared with the NodeB, the eNodeB integrates a part of the functions of the RNC (Radio Network Controller, radio network controller), has more powerful functions, and thus has been more widely used. [0003] With the rapid development of wireless network technology, wireless networks are used in various fields such as industry, military affairs, and daily life. Therefore, people have higher and higher requirements for network coverage. As the network coverage area becomes larger and the network environment in the network coverage area becomes better and better, the deployment of eNodeBs will become more dense. Because eNodeBs ...
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IPC IPC(8): H04W12/04H04W12/06H04W76/02H04W12/03H04W12/069
Inventor 吴鹏程
Owner DATANG MOBILE COMM EQUIP CO LTD