Efficient implementation of pairing-based cryptography on a sensor node

Masaaki Shirase, Yukinori Miyazaki, Tsuyoshi Takagi, Dong Guk Han, Dooho Choi

研究成果: Contribution to journalArticle査読

24 被引用数 (Scopus)

抄録

Pairing-based cryptography provides us many novel cryptographic applications such as ID-based cryptosystems and efficient broadcast encryptions. The security problems in ubiquitous sensor networks have been discussed in many papers, and pairing-based cryptography is a crucial technique to solve them. Due to the limited resources in the current sensor node, it is challenged to optimize the implementation of pairings on sensor nodes. In this paper we present an efficient implementation of pairing over MICAz, which is widely used as a sensor node for ubiquitous sensor network. We improved the speed of ηt pairing by using a new efficient multiplication specialized for ATmega128L, called the block comb method and several optimization techniques to save the number of data load/store operations. The timing of ηtpairing over GF(2239) achieves about 1.93 sec, which is the fastest implementation of pairing over MICAz to the best of our knowledge. From our dramatic improvement, we now have much high possibility to make pairing-based cryptography for ubiquitous sensor networks practical.

本文言語英語
ページ(範囲)909-917
ページ数9
ジャーナルIEICE Transactions on Information and Systems
E92-D
5
DOI
出版ステータス出版済み - 2009

All Science Journal Classification (ASJC) codes

  • ソフトウェア
  • ハードウェアとアーキテクチャ
  • コンピュータ ビジョンおよびパターン認識
  • 電子工学および電気工学
  • 人工知能

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