Modern(-ish) password hashing for your software and your servers
Cryptography Toolkit
free C++ class library of cryptographic schemes
C++11 header-only message digest library
GnuTLS
The Kovri I2P Router Project
Bitcoin Cross-Platform C++ Development Toolkit
A lightweight, secure, easy-to-use crypto library suitable for constrained environments.
Zerocoin: C++ lib for anonymous extension to bitcoin
a portable, small, easy to use and fast c++14 library for cryptography.
Monero: the secure, private, untraceable cryptocurrency
A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography & security. 🔐🔐🔐🔐🔐 (project was renamed, libchaos is main)
An implementation of the TLS/SSL protocols
Library and command line tool to detect SHA-1 collision in a file
Solidity, the Smart Contract Programming Language
Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
Small portable AES128/192/256 in C
A Smart Ethernet Switch for Earth