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New Pseudo-Random Number Generator for EPC Gen2

Hiroshi NOMAGUCHI, Chunhua SU, Atsuko MIYAJI

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Summary :

RFID enable applications are ubiquitous in our society, especially become more and more important as IoT management rises. Meanwhile, the concern of security and privacy of RFID is also increasing. The pseudorandom number generator is one of the core primitives to implement RFID security. Therefore, it is necessary to design and implement a secure and robust pseudo-random number generator (PRNG) for current RFID tag. In this paper, we study the security of light-weight PRNGs for EPC Gen2 RFID tag which is an EPC Global standard. For this reason, we have analyzed and improved the existing research at IEEE TrustCom 2017 and proposed a model using external random numbers. However, because the previous model uses external random numbers, the speed has a problem depending on the generation speed of external random numbers. In order to solve this problem, we developed a pseudorandom number generator that does not use external random numbers. This model consists of LFSR, NLFSR and SLFSR. Safety is achieved by using nonlinear processing such as multiplication and logical multiplication on the Galois field. The cycle achieves a cycle longer than the key length by effectively combining a plurality of LFSR and the like. We show that our proposal PRNG has good randomness and passed the NIST randomness test. We also shows that it is resistant to identification attacks and GD attacks.

Publication
IEICE TRANSACTIONS on Information Vol.E103-D No.2 pp.292-298
Publication Date
2020/02/01
Publicized
2019/11/14
Online ISSN
1745-1361
DOI
10.1587/transinf.2019INP0009
Type of Manuscript
Special Section PAPER (Special Section on Security, Privacy, Anonymity and Trust in Cyberspace Computing and Communications)
Category
Cryptographic Techniques

Authors

Hiroshi NOMAGUCHI
  University of Aizu
Chunhua SU
  University of Aizu
Atsuko MIYAJI
  Osaka University,Japan Advanced Institute of Science and Technology

Keyword