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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

O problema do logaritmo discreto

Dullius, Maria Madalena January 2001 (has links)
Existem muitos sistemas de criptografia cuja segurança é baseada na dificuldade em resolver logaritmos discretos. Neste trabalho descrevemos alguns métodos para calcular logaritmos discretos, a saber: Algoritmo Shanks, Algoritmo Pollard, Algoritmo Silver-Pohlig-Hellman e o Algoritmo Index Calculus. Também são relatadas questões de complexidade computacional e os últimos recordes alcançados para resolver logaritmos discretos. / There are many cryptosystems whose security is based on the difficulty of solving the discrete logarithm. In this work, we describe some methods to calculate discrete logarithms: Shanks's Algorithm, Pollard's Algorithm, Silver-PohligHellman's Algorithm and the Index Calculus Algorithm. We also relate computation complexity issues and the last records that have been obtained on the discrete logarithm problem.
2

O problema do logaritmo discreto

Dullius, Maria Madalena January 2001 (has links)
Existem muitos sistemas de criptografia cuja segurança é baseada na dificuldade em resolver logaritmos discretos. Neste trabalho descrevemos alguns métodos para calcular logaritmos discretos, a saber: Algoritmo Shanks, Algoritmo Pollard, Algoritmo Silver-Pohlig-Hellman e o Algoritmo Index Calculus. Também são relatadas questões de complexidade computacional e os últimos recordes alcançados para resolver logaritmos discretos. / There are many cryptosystems whose security is based on the difficulty of solving the discrete logarithm. In this work, we describe some methods to calculate discrete logarithms: Shanks's Algorithm, Pollard's Algorithm, Silver-PohligHellman's Algorithm and the Index Calculus Algorithm. We also relate computation complexity issues and the last records that have been obtained on the discrete logarithm problem.
3

O problema do logaritmo discreto

Dullius, Maria Madalena January 2001 (has links)
Existem muitos sistemas de criptografia cuja segurança é baseada na dificuldade em resolver logaritmos discretos. Neste trabalho descrevemos alguns métodos para calcular logaritmos discretos, a saber: Algoritmo Shanks, Algoritmo Pollard, Algoritmo Silver-Pohlig-Hellman e o Algoritmo Index Calculus. Também são relatadas questões de complexidade computacional e os últimos recordes alcançados para resolver logaritmos discretos. / There are many cryptosystems whose security is based on the difficulty of solving the discrete logarithm. In this work, we describe some methods to calculate discrete logarithms: Shanks's Algorithm, Pollard's Algorithm, Silver-PohligHellman's Algorithm and the Index Calculus Algorithm. We also relate computation complexity issues and the last records that have been obtained on the discrete logarithm problem.

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