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Proof of work as an additional factor of authentication - Phillippe Paquet, Jason Nehrboss (Passwords Con 2014) (Hacking Illustrated Series InfoSec Tutorial Videos)

Proof of work as an additional factor of authentication - Phillippe Paquet, Jason Nehrboss "

Abstract:To safely store passwords, hash stretching algorithms are a must. This create an imbalance where authentication is computationally heavy on one side. We propose adding a proof of work as an authentication factor to restore equilibrium.

Bio:Philippe started programming on Apple 2 in the early 80s. After a brief passage in the French military where he handled secure communications, he worked in the video game industry for over 20 years developing copy protections, anti-tampering anti-debugging technologies and various forms of DRM, fingerprinting and watermarking. When he is not working at Disney Interactive, securing the clouds, he spend his time researching security. He has multiple patents and multiple published papers Jason has been in the computer technology industry for over 20 years. As a Network/Security/System engineer he has worked on just about everything. Currently at Disney Interactive he helps to keep the mouse safe from badness. He spends most of his time beating away at UNIX boxes and everything networking to try and make them better. He has published numerous papers in various magazines."

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