450 Open source projects that are alternatives of or similar to Curve25519 Dalek

Clean, portable, tested implementations of post-quantum cryptography

Project moved to https://gitlab.com/spectre.app

Secure API Toolkit

JavaScript client for Exonum blockchain

Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.

Public Blockchain as a Decentralized Finance Infrastructure Service Platform

Experimental zero-knowledge proof compiler in Rust macros

IDA Pro's FindCrypt ported to Ghidra, with an updated and customizable signature database

To the end of servers

Whitebox AES implementation in C++. Chow, Karroumi.

wolfBoot is a portable, OS-agnostic, secure bootloader for microcontrollers, supporting firmware authentication and firmware update mechanisms.

Library for the Shamir secret sharing scheme

A dead simple tool to sign files and verify digital signatures.

Encrypted, taggable, searchable cloud storage

wolfSSL (formerly CyaSSL) is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3!

Pure Python from-scratch zero-dependency implementation of Bitcoin for educational purposes

Elastic sidechains

Personal web site of Jameson Lopp

A Filesystem Built On Top of the Web.

LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.

A JavaScript/TypeScript implementation of the complete Secure Hash Standard (SHA) family (SHA-1, SHA-224/256/384/512, SHA3-224/256/384/512, SHAKE128/256, cSHAKE128/256, and KMAC128/256) with HMAC.

⛓️ Reference Waves Blockchain Node (client) implementation on Scala

Set of JavaScript based tools and Ethereum Solidity contracts for BulletProof based range proofs and confidential transactions

CogniCrypt is an Eclipse plugin that supports Java developers in using Java Cryptographic APIs.

Keys and certificates for YubiKeys, written in Go

MSc Module

Учебное пособие по защите информации кафедры радиотехники и систем управления МФТИ

Tracking the Progress of OMEMO Integration in various clients

Managed .NET wrapper for unmanaged PKCS#11 libraries

🎵 Algorithms written in different programming languages - https://zoranpandovski.github.io/al-go-rithms/

Nim implementation of BLS signature scheme (Boneh-Lynn-Shacham) over Barreto-Lynn-Scott (BLS) curve BLS12-381

Mundane is a Rust cryptography library backed by BoringSSL that is difficult to misuse, ergonomic, and performant (in that order).

Solidity crypto libraries, ring signatures, proof of knowledge, packed signatures etc. with matching Python implementations for secp256k1 and (alt)BN-256

Go implementation of OPAQUE (hidden password user registration and auth)

A curated list of cryptography resources and links.

Secure chat software for your computer.

KES is a simple, stateless and distributed key-management system

Blogs about Cryptography/Security to follow

Hazmat ECC arithmetic for Cryptography.io

yubikey-agent is a seamless ssh-agent for YubiKeys.

Portable OpenSSH

An easy-to-use Windows interface for pass

⟁ Tendermint Core (BFT Consensus) in Go

Cryptographic primitives for MirageOS

(Android) Networking and Cryptography Library (NaCL) JNI binding. JNI is utilized for fastest access to native code. Accessible either in Android or Java application. Uses SWIG to generate Java JNI bindings. SWIG definitions are extensible to other languages.

A complete overhaul of the Golang wrapper for libsodium

👻 Post-quantum cryptography for Python.

An RPKI Validator written in Rust

Cryptographic filesystem for the cloud

Easy-to-use high-level library for PKI-enabled applications

Secure software enclave for storage of sensitive information in memory.

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.

The RPKI-to-Router server used at Cloudflare

Cloudflare's RPKI Toolbox

A CONIKS implementation in Golang

Pure-Rust traits and utilities for constant-time cryptographic implementations.

CIRCL: Cloudflare Interoperable Reusable Cryptographic Library

The Elle coroutine-based asynchronous C++ development framework.

A Rust implementation of the Noise Protocol Framework

A SDK/library for decentralized web and distributing computing projects