RFID lightweight class bidirectional authentication method based on PUF

Abstract

The invention discloses an RFID lightweight class bidirectional authentication method based on a PUF. Information encryption and pseudo random number generation are carried out through a linear feedback shift register protected through a secret key seed, counterfeit attack can be resisted, a pseudo random number generator does not need to be additionally integrated, and complexity and cost of a label are reduced; in the communication process, all communication information is effectively utilized to carry out authentication, the problem of desynchronization attack of out-of-step information between a reader and the label can be effectively solved through falsification and other means, and security is higher. The method can be widely applied to the internet of things and information security authentication fields.

Description

Technical field [0001] The invention involves the field of Internet of Things and information security certification, especially a PUF -based RFID lightweight two -way certification method. Background technique [0002] With the gradual popularization of the Internet of Things, RFID technology, as an important part of the Internet of Things, has become increasingly prominent.RFID security issues include privacy and certification issues, privacy issues include location tracking and information leakage. Certification issues include label cloning, tampering label data, counterfeit attacks, and replay attacks.At present, the RFID security certification method is an important method to respond to RFID security issues.Traditional RFID lightweight two -way authentication method, in order to achieve set security, the demand for hardware resources is large, such as simplified Hash functions and advanced encrypted standards AES (Advanced Encryption Standard), respectively.And MD5 and SHA-2...

AI Technical Summary

Problems solved by technology

[0004]At present, the PUF-based RFID authentication method in the industry generally requires less hardware resources, but the tag side does not have the ability to generate pseudo-random numbers, which cannot resist counterfeiting attacks ; and when the attacker tampers with the communication process, the reader will perform an incorrect update, resulting in a desynchronization attack, which is not secure enough

Images