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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Advanced techniques for calculations of discrete logarithm
 Matocha, Vojtěch ; Příhoda, Pavel (advisor) ; Jedlička, Přemysl (referee)
Let G be a finite cyclic group. Solving the equation g^x = y for a given generator g and y is called the discrete logarithm problem. This problem is at the core of many modern cryptographic transformations. In this paper we provide a survey of algorithms to attack this problem, including the function field sieve, the fastest known algorithm applicable to the multiplicative group of a finite field. We also discuss the index calculus algorithm and some techniques improving its performance: the Coppersmith's algorithm and the polynomial sieving. The most important contribution of this paper is a C-language implementation of the function field sieve and its application to real inputs.
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Advanced techniques for calculations of discrete logarithm
 Matocha, Vojtěch ; Příhoda, Pavel (advisor) ; Jedlička, Přemysl (referee)
Let G be a finite cyclic group. Solving the equation g^x = y for a given generator g and y is called the discrete logarithm problem. This problem is at the core of many modern cryptographic transformations. In this paper we provide a survey of algorithms to attack this problem, including the function field sieve, the fastest known algorithm applicable to the multiplicative group of a finite field. We also discuss the index calculus algorithm and some techniques improving its performance: the Coppersmith's algorithm and the polynomial sieving. The most important contribution of this paper is a C-language implementation of the function field sieve and its application to real inputs.
Detailed record

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