CTF challenges from the Cryptohack Cryptography course.

An enhanced implementation of the SpeckR cipher

Collection of stream cipher algorithms

A secure digital asset management system

Python Cryptographic (File Locking) Library

Bitcoin Core integration/staging tree

Fear the ponies - Code dojo about cryptography basics

Sinsemilla hash function haskell implementation

LibreSSL Portable itself. This includes the build scaffold and compatibility layer that builds portable LibreSSL from the OpenBSD source code. Pull requests or patches sent to tech@openbsd.org are welcome.

Integration of the RISC Zero verifiable compute platform with Ethereum and EVM chains.

Проект хранилища паролей с помощью ключа шифрования.

WebBin: The Based Pastebin

Paillier homomorphic cryptosystem in Solidity

An implementation of the Wickr Secure Messaging Protocol in C

RISC Zero is a zero-knowledge verifiable general computing platform based on zk-STARKs and the RISC-V microarchitecture.

🛡 I2P: End-to-End encrypted and anonymous Internet

Simple C++ Image Steganography tool to encrypt and hide files insde images using Least-Significant-Bit encoding.

🔒 Trezor Firmware Monorepo

HathorNetwork's fullnode core

password securing, management and generation tools, userland : https://pypi.org/project/pwdtools/