Adiantum and HPolyC specification and test vectors

Implementation of PKCS7 padding in C

A 256-bit block cipher based on SPN design, supporting key sizes of 256/384/512 bits

All Cryptography Algorithms are implemented in C.

A block hashing algorithm with implementations in C, Rust, Go, Nim, Python and JS

Cryptography programs

The Cheeky Kitten encoder is a simple binary obsfucation tool. Corrupts binary using a hex shuffle algorithm.

C5 - Counter Conventional Caesar Cipher Contraption

An implementation of Grain v1 cipher

CS-Fundamentals 📚💻 This repository is a collection of code implementations and learning resources covering core computer science topics, including DBMS, OS, Compiler Design, Algorithm Analysis, Cryptography, and more. It serves as a reference for students and developers looking to strengthen their CS fundamentals.

A C-based project showcasing encryption and decryption techniques, including Affine, Caesar, Hill, Playfair, XOR, RSA, and Vigenère ciphers. Designed for learning and practical message encryption and decryption.

SHA-3 and Keccak checksum utility

Implementation of a Blockchain from sractch using C as part of the "Blockchain Training Program" organized by Holberton School.

This repository contains only cryptography algorithms. Only Quality codes accepted here

Implementation and experimentation of some classical cryptography algorithms in C language.

A simple implementation of the Lamport-Diffie signature.

An encryption algorithm that uses the OR bitwise operator

Implementation of basic ciphers useful for someone new to and learning Cryptography

🔓 Implementation of K128 Encryption algorithm

PT-BR: Projeto final da disciplina Matemática Discreta, um projeto que consiste em um algoritmo básico que criptografe e descriptografe textos baseado na tecnologia de Criptografia RSA.