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Improving Side-Channel Analysis with Optimal Linear Transforms [chapter]

David Oswald, Christof Paar
2013 Lecture Notes in Computer Science  
In this paper, we present an analytical expression for the correlation coefficient after applying a linear transform to the side-channel traces.  ...  Pre-processing techniques are widely used to increase the success rate of side-channel analysis when attacking (protected) implementations of cryptographic algorithms.  ...  present in a side-channel signal [2] .  ... 
doi:10.1007/978-3-642-37288-9_15 fatcat:7tzqkvagzbakbfx4fuclb4qap4

Confused by Confusion: Systematic Evaluation of DPA Resistance of Various S-boxes [chapter]

Stjepan Picek, Kostas Papagiannopoulos, Barış Ege, Lejla Batina, Domagoj Jakobovic
2014 Lecture Notes in Computer Science  
We conduct extensive side-channel analysis and detect S-boxes that exhibit previously unseen behavior.  ...  In this paper, we employ a novel heuristic technique to generate S-boxes with "better" values of the confusion coefficient in terms of improving their side-channel resistance.  ...  In order to confirm that, we conduct simulated and practical side-channel analysis on those improved Sboxes.  ... 
doi:10.1007/978-3-319-13039-2_22 fatcat:m2jpc7nlwzhchfbwfna54gvjmq

Performance evaluation of various Channel Equalization Techniques in terms of BER for OFDM System

Pratima Manhas, M.K. Soni
2016 International Journal of Wireless and Mobile Communication for Industrial Systems  
The BER saving using the optimized proposed model with both linear and cyclic channel coding along with CMA equalizer is evaluated.  ...  The proposed work using cyclic channel coding with QPSK/QAM modulation and CMA as channel equalization under AWGN channel results in 52.6% and 96.3% BER reduction as compared to conventional OFDM model  ...  Acknowledgements The authors are very much thankful to the reviewers for their comments and suggestions to improve the quality of the manuscript.  ... 
doi:10.21742/ijwmcis.2016.3.2.08 fatcat:rgc3m3vpafhodjxw5czu4amyle

An Efficient Algorithm for Improving Ber and Papr of Ofdm System by Using Nonlinear Companding Transform

A. Vinisha, Kumar keshamoni, S. Swetha
2014 IOSR Journal of Electronics and Communication Engineering  
In this article analyses the improvement in Bit Error Rate and overall system performance by employing non linear companding technique for PAPR reduction in Digital Video Broadcasting system.  ...  Proposed review and analysis of various OFDM PAPR reduction methods are based on computational, complexity, spectral spillage and performance.  ...  BER Performance analysis using Nonlinear Companding Transform Fig.2.  ... 
doi:10.9790/2834-09553034 fatcat:dkvetzovtjaj5dbjciahj5hit4

Optimized signal expansions for sparse representation

S.O. Aase, J.H. Husoy, J.H.H.K. Skretting, K. Engan
2001 IEEE Transactions on Signal Processing  
product of the signal with the corresponding analysis vector.  ...  Using signals from a Gaussian, autoregressive process with correlation factor 0.95, it is demonstrated that for established signal expansions like the Karhunen-Loéve transform, the lapped orthogonal transform  ...  A detailed mathematical analysis shows that in each iteration, an improved dictionary can be found by solving a set of linear equations.  ... 
doi:10.1109/78.917811 fatcat:fzb37ra7gva7lievxqhxfsks7e

Multiple Description Image Coder Using Correlating Transforms

Gianmarco Romano, Pierluigi Salvo Rossi, Francesco Palmieri
2004 Zenodo  
The correlating transform has to be an integer-to-integer (I2I) transform and an error is introduced when approximating the I2I transform with the linear continuous transform determined by the analysis  ...  This give us the possibility to control through the correlating transform both central and side distortions and obtain an optimal tradeoff given the channel model.  ... 
doi:10.5281/zenodo.38579 fatcat:cy4khvg7crgpfbqujpkbusnbeq

Numerical Study of Flow Field Optimization for Forebay and Suction Chamber to Solve the Vibration of Pumps in a Parallel Circulation Pumping Station

Weishu Wang, Juan Zhen, Weihui Xu, Jiawei Guo, Yuxin Zhai
2022 Machines  
The study's findings can guide the hydraulic performance optimization of channels for water inlets with similar sideways or high slopes.  ...  Nine optimization options were also suggested, and the effects of the various plans on the water inlet channel's flow state were examined—the simulation's outcomes.  ...  The hydraulic performance of the overall flow channel in the original design plan was improved and optimized.  ... 
doi:10.3390/machines10080680 fatcat:ejork2p6rbhwxda3zu2rwc5m5u

Design of Improved Transmultiplexers for Cognitive Radio Applications

P.Kalpana Devi, Dr.R.S.Bhuvaneswaran Dr.R.S.Bhuvaneswaran
2011 Indian Journal Of Applied Research  
The signals are multiplexed together and transmitted in a single channel. Existing designs provide non linear optimization with large no. of coefficients and high degree of complexity.  ...  Design analysis proved that the optimum device utilization is achieved for the filter bank approach in the improved transmultiplexers.  ...  In these filter bank (FB) based structures a synthesis bank performs channel frequency multiplexing at the transmitter side and the analysis bank implements the equivalent channelization in the receiver  ... 
doi:10.15373/2249555x/june2014/196 fatcat:ghcmajgrjnei7jummyx6f2fwyi

Multiple description perceptual audio coding with correlating transforms

R. Arean, J. Kovacevic, V.K. Goyal
2000 IEEE Transactions on Speech and Audio Processing  
This concealment is markedly improved if the compressed representation retains redundancy to aid in the estimation of lost information.  ...  A perceptual audio coder employing multiple description correlating transforms demonstrates this phenomenon. Index Terms-Audio coding, multiple descriptions, packetized audio, robust communication.  ...  This block is defined as the frame and contains, along with one 1024-sample or eight 128-sample blocks, the following side information for each of them: the transform used in the analysis filter bank,  ... 
doi:10.1109/89.824698 fatcat:bzicf3m42rccjnjawne4rt2d2a

Under Quantum Computer Attack: Is Rainbow a Replacement of RSA and Elliptic Curves on Hardware?

Haibo Yi
2018 Security and Communication Networks  
Via further other minor optimizations and by integrating the major improvement above, we implement our design in composite fields on standard cell CMOS Application Specific Integrated Circuits (ASICs).  ...  Third, we present a parallel solving system of linear equations based on Gauss-Jordan elimination.  ...  A side channel attack to enTTS has been proposed in [43] , which uses differential power analysis and fault analysis to attack two affine transformations and central map transformation.  ... 
doi:10.1155/2018/2369507 fatcat:73s5vhb2mjd35d4sjzql2c6h7u

Analysis of the Effect of Coherence Bandwidth on Leakage Suppression Methods for OFDM Channel Estimation

Junhui Zhao, Ran Rong, Chang-Heon Oh, Jeongwook Seo
2014 Journal of information and communication convergence engineering  
However, according to our analysis, the performance of these methods highly depends on the coherence bandwidth of wireless channels.  ...  In this paper, we analyze the effect of the coherence bandwidth of wireless channels on leakage suppression methods for discrete Fourier transform (DFT)-based channel estimation in orthogonal frequency  ...  leftside virtual carriers ( ) and right-side virtual carriers ( ) with minimum pilot spacing.  ... 
doi:10.6109/jicce.2014.12.4.221 fatcat:z2cjxnwdebenxoqoxa5ktrp6ju

Modified Transparency Order Property: Solution or Just Another Attempt [chapter]

Stjepan Picek, Bodhisatwa Mazumdar, Debdeep Mukhopadhyay, Lejla Batina
2015 Lecture Notes in Computer Science  
S-boxes are usual targets of side-channel attacks and it is an open problem to develop design techniques for S-boxes with improved DPA resistance.  ...  For the 4 × 4 size, we significantly improve modified transparency order while remaining in the optimal classes.  ...  This work was supported in part by the Technology Foundation STW (project 12624 -SIDES), The Netherlands Organization for Scientific Research NWO (project ProFIL 628.001.007) and the ICT COST action IC1204  ... 
doi:10.1007/978-3-319-24126-5_13 fatcat:v62i3j6mjrf2zdtt7wmsucdiqq

METHODS OF PREVIOUS CODING, THAT USES IN SYSTEMS OF RADIO SPECIAL PURPOSE WITH MASSIVE-MIMO TECHNOLOGY

Іgor Romanenko, Andrii Shyshatskyi, Alexey Kuvshinov, Rostislav Pikul
2018 Advanced Information Systems  
Thus, the analysis showed, that thanks to the identical structure of the work of linear pre-coders, it is possible to carry out a dynamic change on the transmission side of the type of the linear pre-coder  ...  , thereby adaptively modifying the characteristics of the transmission and transmission path, while remaining within the framework of practically one structure of the communication channel.  ...  Thus, the analysis showed, that thanks to the identical structure of the work of linear pre-coders, it is possible to carry out a dynamic change on the transmission side of the type of the linear pre-coder  ... 
doi:10.20998/2522-9052.2018.1.19 fatcat:6y5dmmf23jatxdhlm5fk5n3sua

The slantlet transform

I.W. Selesnick
1999 IEEE Transactions on Signal Processing  
The discrete wavelet transform (DWT) is usually carried out by filterbank iteration; however, for a fixed number of zero moments, this does not yield a discrete-time basis that is optimal with respect  ...  This paper discusses the implementation and properties of an orthogonal DWT, with two zero moments and with improved time localization.  ...  The time localization is improved with a degradation of frequency selectivity. 7) The slantlet filters are piecewise linear.  ... 
doi:10.1109/78.757218 fatcat:ihmz2nmrg5frjmqrzu5ibpj6ba

A Linear Precoding Technique for OFDM Systems with Cyclic Delay Diversity

Bing Hui
2008 KSII Transactions on Internet and Information Systems  
Also, the linear precoding technique can significantly improve the performance of communication systems by exploiting the channel state information (CSI).  ...  The proposed scheme works effectively with the accurate CSI in time-division-duplex (TDD) OFDM systems with CDD, where the reciprocity is assumed instead of channel state feedback.  ...  Cyclic Delay Diversity Analysis In the CDD-OFDM system, a MISO channel can be transformed into an equivalent SISO channel by cyclic shifting, and the frequency selectivity of the channel is increased.  ... 
doi:10.3837/tiis.2008.05.003 fatcat:t6ui6dlnsnfkll67pzmdnbccuq
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