Dual EC DRBG



Downloads

This page provides links to public documents referred to in the other pages. We recommend the Wikipedia page on Dual EC for an extensive timeline of many of the events surrounding Dual EC.

Paper: Daniel J. Bernstein, Tanja Lange, Ruben Niederhagen. "Dual EC: A Standardized Back Door". 2015.07.31. Related document: US national body comments on ISO/IEC 2nd CD 18031, 1 page, appendix omitted for copyright reasons.

Standards

NIST Special Publication 800-90 has three versions:

Additional material from NIST

Documents concerning the Certicom patents

  • US20070189527A1.pdf [Publication of 23 January 2006 patent application, cached copy]
  • US2013170642A1.pdf [Publication of 19 February 2013 patent application, cached copy]
  • US8396213.pdf [Granted patent, cached copy]
  • 60644982.pdf [21 January 2005 provisional patent application and related documents, cached copy, OCRed]
  • 11336814.pdf [23 January 2006 patent application and related documents, cached copy, OCRed]
  • 13770533.pdf [19 February 2013 patent application and related documents, cached copy, OCRed]
  • WO2006076804A1.pdf [27 July 2006 publication of intenational patent application]
  • EP1844392B1.pdf [04 July 2012, granted European patent]

Third-party research

The 2007 slides "On the possibility of a back door in the NIST SP800-90 Dual Ec Prng" were authored by Dan Shumow and Niels Ferguson from Microsoft. These slides were presented at the Crypto 2007 rump session.

The 2014 paper "On the Practical Exploitability of Dual EC in TLS Implementations" was authored by the following researchers:




Last modified: 2015.07.31