CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
Differential Power Analysis in the Presence of Hardware Countermeasures
CHES '00 Proceedings of the Second International Workshop on Cryptographic Hardware and Embedded Systems
CHES '02 Revised Papers from the 4th International Workshop on Cryptographic Hardware and Embedded Systems
Power Analysis Attacks: Revealing the Secrets of Smart Cards (Advances in Information Security)
Power Analysis Attacks: Revealing the Secrets of Smart Cards (Advances in Information Security)
Investigations of power analysis attacks on smartcards
WOST'99 Proceedings of the USENIX Workshop on Smartcard Technology on USENIX Workshop on Smartcard Technology
CHES '08 Proceeding sof the 10th international workshop on Cryptographic Hardware and Embedded Systems
CHES '08 Proceeding sof the 10th international workshop on Cryptographic Hardware and Embedded Systems
Improving first order differential power attacks through digital signal processing
Proceedings of the 3rd international conference on Security of information and networks
A formal study of power variability issues and side-channel attacks for nanoscale devices
EUROCRYPT'11 Proceedings of the 30th Annual international conference on Theory and applications of cryptographic techniques: advances in cryptology
Information leakage discovery techniques to enhance secure chip design
WISTP'11 Proceedings of the 5th IFIP WG 11.2 international conference on Information security theory and practice: security and privacy of mobile devices in wireless communication
Breaking mifare DESFire MF3ICD40: power analysis and templates in the real world
CHES'11 Proceedings of the 13th international conference on Cryptographic hardware and embedded systems
Proceedings of the 18th ACM conference on Computer and communications security
A stochastic model for differential side channel cryptanalysis
CHES'05 Proceedings of the 7th international conference on Cryptographic hardware and embedded systems
EM analysis of rijndael and ECC on a wireless java-based PDA
CHES'05 Proceedings of the 7th international conference on Cryptographic hardware and embedded systems
CT-RSA'12 Proceedings of the 12th conference on Topics in Cryptology
Side-channel analysis of cryptographic RFIDs with analog demodulation
RFIDSec'11 Proceedings of the 7th international conference on RFID Security and Privacy
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Pre-processing techniques are widely used to increase the success rate of side-channel analysis when attacking (protected) implementations of cryptographic algorithms. However, as of today, the according steps are usually chosen heuristically. In this paper, we present an analytical expression for the correlation coefficient after applying a linear transform to the side-channel traces. Doing so, we are able to precisely quantify the influence of a linear filter on the result of a correlation power analysis. On this basis, we demonstrate the use of optimisation algorithms to efficiently and methodically derive "optimal" filter coefficients in the sense that they maximise a given definition for the distinguishability of the correct key candidate. We verify the effectiveness of our methods by analysing both simulated and real-world traces for a hardware implementation of the AES.