David Naccache (2011)

David Naccache is a cryptographer, currently a professor at the École normale supérieure and a member of its Computer Laboratory. He was previously a professor at Panthéon-Assas University.

Biography

He received his Ph.D. in 1995 from the École nationale supérieure des télécommunications. Naccache's most notable work is in public-key cryptography, including the cryptanalysis of digital signature schemes. Together with Jacques Stern he designed the similarly named but very distinct Naccache-Stern cryptosystem and Naccache-Stern knapsack cryptosystem.

In 2004 David Naccache and Claire Whelan, then employed by Gemplus International, used image processing techniques to uncover redacted information from the declassified 6 August 2001 President's Daily Brief Bin Ladin Determined To Strike in US. They also demonstrated how the same process could be applied to other redacted documents.[1]

Naccache is also a visiting professor and researcher at the Information Security Group of Royal Holloway, University of London.[2]

In 2021, two epidemiologists denounced David Naccache to the management of the École normale supérieure. They accused him of having produced a fraudulent report in November 2018 for Genevrier Laboratories in exchange for a large payment (more than €250,000) in defence of a delisted drug, Chondrosulf.[3]

Awards

In 2020 Naccache was listed as a Fellow of the IACR, the International Association for Cryptologic Research, "for significant contributions to applied cryptography in industry and academia, and for the service to the IACR."

References

  1. ↑ Markoff, John (10 May 2004). "Illuminating Blacked-Out Words". The New York Times. Archived from the original on May 6, 2009. Retrieved 16 April 2009.
  2. ↑ "Information Security Staff Directory". Information Security Group. Retrieved 2019-05-17.
  3. ↑ "Les expertises suspectes d'un professeur de l'Ecole normale supérieure autour d'un médicament controversé". Le Monde.fr (in French). 2021-09-29. Retrieved 2021-10-01.
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