FPGA implementations of elliptic curve cryptography and Tate pairing over a binary field

  • Authors:
  • Hao Li;Jian Huang;Philip Sweany;Dijiang Huang

  • Affiliations:
  • University of North Texas, Department of Computer Science and Engineering, P.O. Box 311366, Denton, TX 76203, USA;School of Electrical Engineering and Computer Science, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA;University of North Texas, Department of Computer Science and Engineering, P.O. Box 311366, Denton, TX 76203, USA;Department of Computer Science and Engineering, Arizona State University Tempe, AZ 85287, USA

  • Venue:
  • Journal of Systems Architecture: the EUROMICRO Journal
  • Year:
  • 2008

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Abstract

Elliptic curve cryptography (ECC) and Tate pairing are two new types of public-key cryptographic schemes that become popular in recent years. ECC offers a smaller key size compared to traditional methods without sacrificing security level. Tate pairing is a bilinear map commonly used in identity-based cryptographic schemes. Therefore, it is more attractive to implement these schemes by using hardware than by using software because of its computational expensiveness. In this paper, we propose field programmable gate array (FPGA) implementations of the elliptic curve point multiplication in Galois field GF(2^2^8^3) and Tate pairing computation in GF(2^2^8^3). Experimental results demonstrate that, compared with previously proposed approaches, our FPGA implementations of ECC and Tate pairing can speed up by 31.6 times and 152 times, respectively.