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IACR
2011
135views more  IACR 2011»
12 years 9 months ago
Algebraic Complexity Reduction and Cryptanalysis of GOST
Abstract. GOST 28147-89 is a well-known block cipher and the official encryption standard of the Russian Federation. Its large key size of 256 bits at a particularly low implementa...
Nicolas Courtois
DCC
2007
IEEE
14 years 9 months ago
Parallel Itoh-Tsujii multiplicative inversion algorithm for a special class of trinomials
In this contribution, we derive a novel parallel formulation of the standard Itoh-Tsujii algorithm for multiplicative inverse computation over GF(2m). The main building blocks use...
Francisco Rodríguez-Henríquez, Guillermo Morales...
GLOBECOM
2006
IEEE
14 years 3 months ago
Low-Complexity Adaptive High-Resolution Channel Prediction for OFDM Systems
Abstract— We propose a low-complexity adaptive highresolution channel prediction algorithm for pilot symbol assisted orthogonal frequency division multiplexing (OFDM) systems. Th...
Ian C. Wong, Brian L. Evans
TCOM
2010
133views more  TCOM 2010»
13 years 8 months ago
An Exact Performance Analysis of MRC / OSTBC over Generalized Fading Channels
—A unified analytical framework for evaluating the performance of maximal ratio combining (MRC) and orthogonal space-time block coding (OSTBC) over generalized fading channels i...
George A. Ropokis, Athanasios A. Rontogiannis, P. ...
PCM
2004
Springer
112views Multimedia» more  PCM 2004»
14 years 3 months ago
A Region Based Image Matching Method with Regularized SAR Model
Abstract. In this paper, we propose a new region-based image matching method to find the user defined regions in other images. We use color histogram and SAR (simultaneous autore...
Yaowei Wang, Weiqiang Wang, Yanfei Wang