Whitepapers

Papers & slides

Papers

11.02.2016, Secure Comparator: a ZKP-Based Authentication System, rev 1.2
Ignat Korchagin, Eugene Pilyankevich.
A whitepaper outlining first stage of our efforts in securing request authentication in zero-trust environments. This is revision 1.2, including fixed against possible security drawbacks pointed out by security community.

Presentations & talks

May 2016 Everything will be broken
Eugene Pilyankevich.
Our CTO's talk on SecurityBSides Kyiv about classic and emerging threat models, proper understanding of security risks, going from idealistic to realistic perception of technical infrastructures and adopting stronger techniques in the face of vanishing perimeter, lowering the standard for security tooling and general software quality.

August 2016, Evolution of password-based authentication systems
Ignat Korchagin.
Slides to our core scientific contributor's talk about evolving from regular authentication to Zero Knowledge Proofs (including Secure Comparator) on DefCon Crypto Village.

November 2016 End-to-end data turnover: building zero knowledge software
Eugene Pilyankevich.
Our CTO's talk on evolution of end-to-end software, surviving within "everything will be broken" model by using proper cryptography and trust management, revealing some ideas and concepts behind Hermes.

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Cossack Labs is a privately-held British company with a team of data security experts based in Kyiv, Ukraine.