The New Codebreakers by Peter Y. A. Ryan David Naccache & Jean-Jacques Quisquater

Author:Peter Y. A. Ryan, David Naccache & Jean-Jacques Quisquater
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

3.2 Hiding Behind NIST

None of the NIST workshop documents listed any author or designer of Dual EC. The authors listed for SP 800–90 were both from NIST: Elaine Barker and John Kelsey. As far as we know, none of the documents published at the time pointed to NSA as the source of Dual EC.

However, NIST’s private response to Campagna sheds interesting light on the authorship of Dual EC.2 Campagna had sent email to Kelsey, cc’ing Barker. Barker wrote back to Campagna as follows:

This appears to confirm public statements from Kelsey in December 2013 [17] and May 2014 [18] referring to “designers of Dual EC DRBG at NSA” and saying that “NSA provided Dual EC DRBG”.

Further confirmation that Kelsey was not the designer of Dual EC appears in one of Kelsey’s internal drafts [22] of ANSI X9.82 Sect. 9.12, “Choosing a DRBG algorithm”. The notes signed “JMK” (brackets in original) show that Kelsey did not even feel competent to comment on Dual EC’s security, and that he was relying critically on advice from NSA. See [22, p. 9]:

X.3 DRBGs Based on Hard Problems

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