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Date: Fri, 17 Jan 2014 21:02:12 +0800
From: Ivica Nikolic <>
Subject: Question about saturating the memory bandwidth


I have a question about a possible PHC design strategy:
Assume the defender is sitting on a GPU and his/her KDF saturates the
memory bandwidth. The look-up table used in the KDF is large and it does
not depend on the password. How can an attacker achieve a speed up?



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