Welcome to the resource topic for 2014/543
Title:
A Practical Second-Order Fault Attack against a Real-World Pairing Implementation
Authors: Johannes Blömer, Ricardo Gomes da Silva, Peter Günther, Juliane Krämer, Jean-Pierre Seifert
Abstract:Several fault attacks against pairing-based cryptography have been described theoretically in recent years. Interestingly, none of these have been practically evaluated. We accomplished this task and prove that fault attacks against pairing-based cryptography are indeed possible and are even practical — thus posing a serious threat. Moreover, we successfully conducted a second-order fault attack against an open source implementation of the eta pairing on an AVR XMEGA A1. We injected the first fault into the computation of the Miller Algorithm and applied the second fault to skip the final exponentiation completely. We introduce a low-cost setup that allowed us to generate multiple independent faults in one computation. The setup implements these faults by clock glitches which induce instruction skips. With this setup we conducted the first practical fault attack against a complete pairing computation.
ePrint: https://eprint.iacr.org/2014/543
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