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Towards Sound Fresh Re-Keying with Hard (Physical) Learning Problems
Stefan Dziembowski Sebastian Faust Gottfried Herold
2016/6/6
Most leakage-resilient cryptographic constructions aim at limiting the information adversaries can obtain about secret keys. In the case of asymmetric algorithms, this is usually obtained by secret sh...
A New Birthday-Type Algorithm for Attacking the Fresh Re-Keying Countermeasure
LPN Ring-LPN fresh re-keying
2016/3/2
The fresh re-keying scheme is a countermeasure designed to protect low-cost devices against side-channel attacks. In this paper, we present a new birthday-type attack based on a refined reduction to R...
On the Security of Fresh Re-keying to Counteract Side-Channel and Fault Attacks
side-channel attacks fresh re-keying key-recovery attack
2016/1/5
At AFRICACRYPT 2010 and CARDIS 2011, fresh re-keying schemes to counter side-channel and fault attacks were introduced. The idea behind those schemes is to shift the main burden of side-channel protec...
Towards Fresh Re-Keying with Leakage-Resilient PRFs: Cipher Design Principles and Analysis
side-channel analysis fresh rekeying
2014/3/12
Leakage-resilient cryptography aims at developing new algorithms for which physical security against side-channel attacks can be formally analyzed. Following the work of Dziembowski and Pietrzak at FO...