Two-way identity authentication method based on radio frequency identification for blockchain
A technology of radio frequency identification and block chain, which is applied in the field of information processing security and information processing, can solve the problems of low security and efficiency of electronic tags, limited storage resources of electronic tags, and high system communication overhead, etc., to overcome limited storage resources, Achieve mutual authentication and a wide range of applications
Active Publication Date: 2020-04-14
XIDIAN UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to address the deficiencies of the above-mentioned prior art, and propose a two-way identity authentication method based on radio frequency identification on the block chain, which solves the background database in the prior art that is centrally managed by a third party and has limited storage capacity It also solves the problem of limited storage resources of electronic tags, low computing power and high system communication overhead.
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Embodiment Construction
[0049] Attached below figure 1 The present invention is further described.
[0050] Step 1, send an authentication request message.
[0051] The reader uses a pseudo-random number generator to generate random numbers for the reader.
[0052]Send the reader's random number and authentication request message to the electronic tag.
[0053] Step 2, sending an authentication message of the electronic label.
[0054] The electronic tag uses a pseudo-random number generator to generate random numbers for the tag.
[0055] Concatenate the random number of the electronic tag, the ID number of the electronic tag, and the private key of the electronic tag.
[0056] Use the lightweight Hash function to hash the result of the concatenation to obtain the encrypted first message M 1 .
[0057] Use the lightweight Hash function to perform hash operation on the private key of the electronic tag to obtain the encrypted hash value.
[0058] Concatenate the random number of the reader, th...
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The invention discloses a two-way identity authentication method based on radio frequency identification on the block chain, which mainly solves the problems of small background database storage capacity, low security and efficiency, limited electronic label storage resources and poor computing power in the prior art. question. The implementation steps of the present invention are: (1) sending authentication request message; (2) block chain server authentication reader; (3) block chain server authentication electronic tag; (4) reader authentication electronic tag; (5) electronic tag Authenticating the blockchain server; compared with the prior art, the present invention queries the identity information and data of the electronic tag through the blockchain server, reduces the calculation amount of the electronic tag and occupies resources, and realizes the communication between the electronic tag and the reader. Two-way authentication.
Description
technical field [0001] The invention belongs to the technical field of information processing, and further relates to a two-way identity authentication method based on radio frequency identification (RFID) on a block chain in the technical field of information processing security. The invention can be used for the user's identity authentication of the electronic tag stored on the background database server, adopts light-weight Hash function encryption, and performs mutual authentication between the electronic tag and the reader in the radio frequency identification RFID system. Background technique [0002] Radio frequency identification (RFID) is the key technology for building the Internet of Things. Because radio frequency identification (RFID) technology can automatically identify high-speed moving objects without contact and can identify multiple electronic tags at the same time, the operation is fast and convenient. Therefore, it is widely used in various fields, such ...
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IPC IPC(8): H04W4/80H04W12/02H04W12/06H04L29/06H04L9/32H04W12/47
Inventor 董庆宽马晓潇陈原刘至球姚雪丁文静马小宇
Owner XIDIAN UNIV