10 algorithms for long arithmetic

A modular cryptography engine implementing an optimized ElGamal pipeline with large-prime generation, block-level file encryption, and multithreaded acceleration. Demonstrates practical skills in number theory, security engineering, performance optimization, and high-throughput Python system design

Very long integer class and some methods for it

University project for class "Java". Prime number checker.

Trabalho desenvolvido na disciplina de Segurança em Computação (INE5429).

Trial division, Fermat, Miller-Rabin, Solovay–Strassen and Lucas primality tests

Implementation of Solovay-Strassen Test Primality with GMP

This repository contains implementations of various primality testing algorithms, including both deterministic and probabilistic methods. The algorithms are designed and coded in Java, suitable for educational purposes, research, and performance comparison.