A bidirectional identity authentication method based on radio frequency identification for a block chain
A two-way identity authentication and radio frequency identification technology, applied in user identity/authority verification, short-distance communication services, security devices, etc., can solve the problem of low security and efficiency of electronic tags, limited storage resources of electronic tags, and high system communication overhead, etc. problems, to overcome limited storage resources, achieve mutual authentication, and achieve a wide range of applications
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[0049] Attached below figure 1 The present invention will be 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 label.
[0053] Step 2. Send the authentication message of the electronic label.
[0054] Electronic tags use pseudo-random number generators to generate random numbers for tags.
[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 cascade to get the encrypted first message M 1 .
[0057] Use the lightweight Hash function to hash the private key of the electronic tag to obtain the encrypted hash value.
[0058] The random number of the reader, the random number of the electronic tag, and the encrypted hash va...
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