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CTRSA
2007
Springer
111views Cryptology» more  CTRSA 2007»
16 years 28 days ago
Predicting Secret Keys Via Branch Prediction
This paper announces a new software side-channel attack — enabled by the branch prediction capability common to all modern highperformance CPUs. The penalty paid (extra clock cyc...
Onur Aciiçmez, Çetin Kaya Koç...
CTRSA
2007
Springer
111views Cryptology» more  CTRSA 2007»
16 years 28 days ago
A Practical and Tightly Secure Signature Scheme Without Hash Function
In 1999, two signature schemes based on the flexible RSA problem (a.k.a. strong RSA problem) were independently introduced: the Gennaro-Halevi-Rabin (GHR) signature scheme and the...
Benoît Chevallier-Mames, Marc Joye
CTRSA
2007
Springer
184views Cryptology» more  CTRSA 2007»
16 years 28 days ago
Cryptanalysis of Reduced Variants of the FORK-256 Hash Function
FORK-256 is a hash function presented at FSE 2006. Whereas SHA-like designs process messages in one stream, FORK-256 uses four parallel streams for hashing. In this article, we pre...
Florian Mendel, Joseph Lano, Bart Preneel
ASIACRYPT
2005
Springer
16 years 9 days ago
Spreading Alerts Quietly and the Subgroup Escape Problem
We introduce a new cryptographic primitive called the blind coupon mechanism (BCM). In effect, the BCM is an authenticated bit commitment scheme, which is AND-homomorphic. It has n...
James Aspnes, Zoë Diamadi, Kristian Gjø...
ASIACRYPT
2005
Springer
16 years 9 days ago
Revealing Additional Information in Two-Party Computations
Abstract. A two-argument function is computed privately by two parties if after the computation, no party should know anything about the other inputs except for what he is able to ...
Andreas Jakoby, Maciej Liskiewicz