Sumários

T8

16 março 2017, 10:30 Paulo Alexandre Carreira Mateus

RSA. Soundness of RSA. Chinese remainder theorem. Euler and Lagrange theorem. 


T7

15 março 2017, 17:00 Paulo Alexandre Carreira Mateus

 Existence of one-way function and P=NP. Asymmetric cryptography. RSA. Chinese remainder theorem.


Aula Tagus - 6

14 março 2017, 15:00 Filipe Manuel Rodrigues Casal

Public-key Cryptosystems. GCD, Euclidean Algorithm and Extended Euclidean Algorithm. Lamé's Theorem, Chinese Remainder Theorem.


Aula Tagus - 5

9 março 2017, 13:00 Filipe Manuel Rodrigues Casal

 Feistel networks. Block cipher modes of encryption: ECB, CBC and others. Complexity: P, NP, Log cost RAMachine. Examples of P and NP problems. One-way functions and owf with trapdoor. P vs NP. Existence of owf implies P\neq NP. 


T6

9 março 2017, 10:30 Paulo Alexandre Carreira Mateus

Examples of languages in P. Class NP and examples. Decision and search version of P=NP. Honest function. One-way function. Existence of one-way functions implies P\neq NP.