Top 822 cryptography open source projects

Remote Access Tool

Type-safe general-cryptography library - https://jmcardon.github.io/tsec/

This repo is dedicated to Concordium Incentivized Testnet3.

High-speed secure pseudorandom function for short messages

🎲 A Distributed Randomness Beacon Daemon - Go implementation

Minimalist secure text editor and binary encryptor that implements RFC 4880 Open PGP format: symmetrically encrypted, compressed and integrity protected. The editor can protect files with passwords, key files or both.

Secure API Toolkit

Pwnable|Web Security|Cryptography CTF-style challenges

A Filesystem Built On Top of the Web.

Onion Routed Micropayments for the Lightning Network

A curated list of cryptography resources and links.

Sample code and build environments for MPC frameworks

A minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.

KreMLin is a tool for extracting low-level F* programs to readable C code

Authenticated key-value store (i.e. an urkel tree)

An implementation of the Wickr Secure Messaging Protocol in C

A Crypto-Secure, Production-Grade Reliable-UDP Library for golang with FEC

secure interactive password manager with xchacha20poly1305, argon2id, and Go

Fuzzing cryptographic libraries. Magic bug printer go brrrr.

List of my talks and workshops: security engineering, applied cryptography, secure software development

a portable and fast pairing-based cryptography library

nFreezer is an encrypted-at-rest backup tool.

Compiler-free Python crypto library backed by the OS, supporting CPython and PyPy

A self-contained cryptographic library for Python

Supersingular Isogeny Diffie-Hellman in Rust

Flame is an ActionScript library that provides a number of useful UI controls, collections, cryptographic services, and utilities to work with the Flex SDK.

Cryptography course slides at Harbin Institute of Technology

Virgil Core SDK allows developers to get up and running with Virgil Cards Service API quickly and add end-to-end security to their new or existing digital solutions to become HIPAA and GDPR compliant and more.

Tangram Bamboo CLI Wallet

To the end of servers

👻 Post-quantum cryptography for Python.

Java SDK of WeDPR-Lab-Core; WeDPR即时可用场景式隐私保护高效解决方案核心算法组件通用Java SDK

Generator and supporting evidence for security of the Tweedledum/Tweedledee pair of elliptic curves suitable for Halo

The Intel Homomorphic Encryption (HE) toolkit is the primordial vehicle for the continuous distribution of the Intel HE technological innovation to users. The toolkit has been designed with usability in mind and to make it easier for users to evaluate and deploy homomorphic encryption technology on the Intel platforms.

🔒 Happy Two-Factor Verifying!

Go implementation of the Kyber (version 3) post-quantum IND-CCA2 KEM.

Stash - The friendly secret storage made for teams

A blockchain for non-collateralized stable-coins, follow MimbleWimble protocol but with explicit amount.

A Java implementation of AES-GCM-SIV (RFC 8452).

The Scripting Engine that Combines Speed, Safety, and Simplicity

iOS native client for ADAMANT Decentralized Messenger

The Elastic Versatile Encrypted Relay for IP (EVER/IP) Networking Suite

NaCl-based Cryptographic Relay

Automated testing tool for algorithms from JavaCard API supported by particular smart card. Performance testing of almost all available methods. The results for more than 100+ cards.

crypto.graphics

SHA-2 algorithm implementations

Python 3 solutions to the original set of the Matasano Cryptopals cryptographic challenges

A library to create p2p applications, using the browser as a full peer.

javascript ecdsa generator, specifically secp256k1 properties, using jordon form matrices

Constrained node COSE library

Generate random bitcoin wallets, private keys (seeds) and then check if they match a wallet that contains some kind of balance, and then take it. Node.js

JCrypTool Core Plug-ins

Guidance on implementing cryptography as a developer.

Klefki is a playground for researching elliptic curve group based algorithm, such as MPC, ZKP and HE. All data types & structures are based on mathematical defination of abstract algebra.

Encrypted overlay filesystems implementation for Android. Also available on gitea: https://forge.chapril.org/hardcoresushi/DroidFS

Simple constant-time AES implementation

CrypTag Notes: Secure note-taking and shared wiki page editing desktop app

The free EAP version of the Cosmian Collaborative Confidential Computing platform. Try it!

Elliptic curve library secp256k1 wrapper for Ocaml

Decentralized authentication and authorization for team collaboration, using a secure chain of cryptological signatures. (Formerly known as 🌮 Taco.)