1065 Open source projects that are alternatives of or similar to Cryptogotchas

The world's easiest, most powerful random function.

Java 8 implementation of the Fernet Specification

Enigma cipher tool

Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

Cryptography Toolkit

encrypt and decrypt files in your browser. Fast, Secure client-side File Encryption and Decryption using the web crypto api

The SIMON and SPECK families of lightweight block ciphers. #nsacyber

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.

i2pd browser bundle

🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.

Managed .NET wrapper for unmanaged PKCS#11 libraries

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

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 library for doing homomorphic encryption operations on tensors

Client-side password-protection for HTML

Modern cryptography for PostgreSQL using libsodium.

A simple shell utility for encrypting and decrypting files using OpenSSL.

Usable, easy and safe pure-Rust crypto

A shared preference implementation for confidential data in Android. Per default uses AES-GCM, BCrypt and HKDF as cryptographic primitives. Uses the concept of device fingerprinting combined with optional user provided passwords and strong password hashes.

Scripts that illustrate basic cryptography concepts based on Coursera Standford Cryptography I course and more.

Cross-platform cryptographic functions in swift

Free open source cross platform password manager

TLS/SSL and crypto library

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

free C++ class library of cryptographic schemes

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

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.

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!

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

A framework for Backdoor development!

📚 VoidHack CTF write-ups

Demos, Examples, Tutorials for using Microsoft SEAL library.

Open Source Your Password (Mismanagement)!

attacking RSA via lattice reductions (LLL)

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

Official implementation of IoTeX blockchain protocol in Go.

Peer-to-peer encrypted message exchange

An Android implementation of the Libsodium cryptography library. For the lazy dev.

Benchmarks for crypto libraries (in Rust, or with Rust bindings)

Zero-details, privacy-focused in-app file system.

libsodium compiled to Webassembly and pure JavaScript, with convenient wrappers.

example C language implementation of SIMON and SPECK lightweight block ciphers.

High-level cryptography interface powered by libsodium

W3C Web Cryptography API for Node.js

A Linux Ransomware

Library consisting of explanation and implementation of all the existing attacks on various Encryption Systems, Digital Signatures, Key Exchange, Authentication methods along with example challenges from CTFs

CryptoTrojan in Python (For educational purpose ONLY)

Node.js bindings for Argon2 hashing algorithm

A secure and PGP enabled webmail module for Phosphorus Five

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.

Java Cryptographic, Encoding and Hash Utilities

A cryptography algorithms library

Implementations of the Simon and Speck Block Ciphers

🔑 Hashing (BCrypt, SHA2, HMAC), encryption (AES), public-key (RSA), and random data generation.

Get things from one computer to another, safely. Over IPFS (which not even required to receive those things).

Web3 and Geth wrapper utility in swift

webcrypto-liner is a polyfill that let's down-level User Agents (like IE/Edge) use libraries that depend on WebCrypto. (Keywords: Javascript, WebCrypto, Shim, Polyfill)

SHA3 for JavaScript - The Keccak family of hash algorithms

Portable OpenSSH

Wireguard road warrior installer for Ubuntu, Debian, CentOS and Fedora