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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

Criptografia RSA e a Teoria dos Números

Lima, Roberval da Costa 13 August 2013 (has links)
Submitted by Viviane Lima da Cunha (viviane@biblioteca.ufpb.br) on 2015-05-27T15:49:59Z No. of bitstreams: 1 arquivototal.pdf: 791381 bytes, checksum: 38dd57e91539c2f7bfdaf6d1092eff37 (MD5) / Approved for entry into archive by Leonardo Americo (leonardo@sti.ufpb.br) on 2015-05-27T17:33:15Z (GMT) No. of bitstreams: 1 arquivototal.pdf: 791381 bytes, checksum: 38dd57e91539c2f7bfdaf6d1092eff37 (MD5) / Made available in DSpace on 2015-05-27T17:33:15Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 791381 bytes, checksum: 38dd57e91539c2f7bfdaf6d1092eff37 (MD5) Previous issue date: 2013-08-13 / In this work we present the concept of cryptography, highlighting the differences between symmetric encryption and asymmetric encryption. We also show how RSA encryption works. Moreover, we study the main mathematical results that justify the operation of this cryptosystem and its security, such as: congruences, Euler's theorem, Fermat's Little Theorem, Wilson's Theorem, Euler's criterion for quadratic residues, Law of Quadratic Reciprocity and primality tests. / Neste trabalho apresentamos o conceito de criptografia, diferenciamos a criptogra fia simétrica da criptografia assimétrica e mostramos como funciona a criptografia RSA. Além disso, destacamos os principais resultados matemáticos que justificam o funcionamento desse criptossistema e sua segurança, tais como: congruências, Teorema de Euler, Pequeno Teorema de Fermat, Teorema de Wilson, Critério de Euler para resíduos quadráticos, Lei de Reciprocidade Quadrática e testes de primalidade.
2

Números primos, nossos amigos únicos / Prime numbers, our unique friends

Macedo, Carlos Eduardo de Carvalho 14 March 2019 (has links)
Neste trabalho é apresentado um breve levantamento da história dos números primos e de que maneira o assunto acerca desses números aparecem no novo cenário trazido pela BNCC. Provamos o Teorema Fundamental da Aritmética e apresentamos duas ferramentas importantes de cálculo, que são as Congruências e o Pequeno Teorema de Fermat. Apresentamos ainda uma proposta didática e um material diferenciado para ser utilizado em sala de aula. / In the present work is presented a brief data collection about the history of prime numbers and how this subject is shown in the new scenario brought by BNCC (Common Curricular National Base) . It was proved the Fundamental Arithmetic Theorem and it was presented two important ways to calculate that are the Congruence and the Fermet Theorem. It is given a teaching method and a differentiated material to be used in class.

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