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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

A Matemática Via Algoritmo de Criptografia El Gamal

Morais, Glauber Dantas 13 August 2013 (has links)
Submitted by Viviane Lima da Cunha (viviane@biblioteca.ufpb.br) on 2015-05-19T15:20:50Z No. of bitstreams: 2 arquivototal.pdf: 1103922 bytes, checksum: fee5e8830b60905917fc3ab1fb8c2aae (MD5) license_rdf: 22190 bytes, checksum: 19e8a2b57ef43c09f4d7071d2153c97d (MD5) / Approved for entry into archive by Viviane Lima da Cunha (viviane@biblioteca.ufpb.br) on 2015-05-19T15:21:56Z (GMT) No. of bitstreams: 2 arquivototal.pdf: 1103922 bytes, checksum: fee5e8830b60905917fc3ab1fb8c2aae (MD5) license_rdf: 22190 bytes, checksum: 19e8a2b57ef43c09f4d7071d2153c97d (MD5) / Made available in DSpace on 2015-05-19T15:21:56Z (GMT). No. of bitstreams: 2 arquivototal.pdf: 1103922 bytes, checksum: fee5e8830b60905917fc3ab1fb8c2aae (MD5) license_rdf: 22190 bytes, checksum: 19e8a2b57ef43c09f4d7071d2153c97d (MD5) Previous issue date: 2013-08-13 / The encryption algorithm written by Egyptian Taher ElGamal computes discrete logarithms with elements of a finite group G Cyclical. These elements have properties that during the study Chapter 1. Knowing the definitions and some properties studied, we can define and compute discrete logarithms, using knowledge of arithmetic and congruence of Remains and Theorem Remainder of Chinese. We will study public key algorithms, in particular the algorithm written by ElGamal, seeking to understand the diffculties presented by it and show its applications in the field of cryptography. We present a sequence of activities, aimed at students of the first grade of high school, targeting the learning of some subjects covered at work. / O algoritmo de criptografia escrito pelo egípcio Taher ElGamal calcula logaritmos discretos com elementos de um Grupo Cíclico finito G. Esses elementos possuem propriedades que estudaremos no decorrer do capítulo 1. Conhecendo as definições e algumas propriedades estudadas, poderemos definir e calcular logaritmos discretos, utilizando conhecimentos da Aritmética dos Restos e Congruências, bem como o Teorema Chinês dos Restos. Vamos estudar algoritmos de chave pública, em particular o algoritmo escrito por ElGamal, buscando entender as dificuldades apresentadas por ele e mostrar suas aplicações no campo da Criptografia. Apresentaremos uma sequencia de atividades, voltadas para estudantes do primeiro ano do Ensino Médio, visando o aprendizado de alguns assuntos abordados no trabalho.

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