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McBits: fast constant-time code-based cryptography

  • D.J. Bernstein
  • , T. Chou
  • , P. Schwabe

Research output: Book/Report › Report › Academic

Abstract

This paper presents extremely fast algorithms for code-based public-key cryptography, including full protection against timing attacks. For example, at a 2^128 security level, this paper achieves a reciprocal decryption throughput of just 60493 cycles (plus cipher cost etc.) on a single Ivy Bridge core. These algorithms rely on an additive FFT for fast root computation, a transposed additive FFT for fast syndrome computation, and a sorting network to avoid cache-timing attacks. Keywords: McEliece, Niederreiter, CFS, bitslicing, software implementation
Original languageEnglish
PublisherInternational Association for Cryptologic Research
Number of pages26
Publication statusPublished - 2015

Publication series

NameCryptology ePrint Archive
Volume2015/610

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