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The Method of Four Russians

  • Gregory V. Bard
Chapter

Abstract

As we’ve seen throughout this text, solving a linear system of GF(2) equations lies at the heart of many cryptanalytic techniques. Some examples include stream cipher cryptanalysis via the XL algorithm and its many variants [22, 23, 24, 25, 66, 67, 69, 79, 134, 82]; the algebraic attacks on the HFE public-key cryptosystem and Quartz [65, 111, 78, 72, 77, 68, 70]; cryptanalysis of QUAD [42]; and solving the matrix square root (provably NP-Hard for matrices over the boolean semiring) with the XL algorithm [155].

Keywords

Basis Vector Matrix Multiplication Gaussian Elimination Gray Code Vector Addition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag US 2009

Authors and Affiliations

  1. 1.Department of MathematicsFordham UniversityBronxUSA

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