1105 Open source projects that are alternatives of or similar to Helib

封装多种CTF和平时常见加密及编码C#类库

Tangram Bamboo CLI Wallet

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

nFreezer is an encrypted-at-rest backup tool.

Detect Sensitive REST API communication using Deep Neural Networks

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.

Cloudflare's RPKI Toolbox

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

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.

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

Pure Java implementation of Macaroons: Cookies with Contextual Caveats for Decentralized Authorization in the Cloud. Android ready. Online playground available.

A complete overhaul of the Golang wrapper for libsodium

A repository that aims to provide tools for cryptography and cryptanalysis

A framework for Backdoor development!

TLS/SSL and crypto library

How to backdoor Diffie-Hellman

The world's easiest, most powerful random function.

The PHP extension for libsodium.

Open source Android, iOS and Web app for learning about and managing digital and physical security. From how to send a secure message to dealing with a kidnap. Umbrella has best practice guides in over 40 topics in multiple languages. Used daily by people working in high risk countries - journalists, activists, diplomats, business travelers etc.

Official implementation of IoTeX blockchain protocol in Go.

Bash glue to encrypt and hide files

🔥🐻 The Speakeasy Scripting Engine Which Combines Speed, Safety, and Simplicity

Enigma cipher tool

the Crypto Undertaker

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

A secure and PGP enabled webmail module for Phosphorus Five

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

free C++ class library of cryptographic schemes

A library for doing homomorphic encryption operations on tensors

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!

Open Source Your Password (Mismanagement)!

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

An implementation of JOSE standards (JWE, JWS, JWT) in Go

Encrypted, taggable, searchable cloud storage

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.

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

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

W3C Web Cryptography API for Node.js

📚 VoidHack CTF write-ups

dude, is my code constant time?

A modern, portable, easy to use crypto library.

MagicPad is an encryption suite for beginners. It is designed to be run standalone via the browser or executable (Electron).

A Javascript implementation of SipHash-2-4

Android cryptography library with SecureRandom patches.

Cross-platform cryptographic functions in swift

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

🔑 Secure alternative to JWT. Authenticated Encrypted API Tokens for Go.

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

End-To-End File & Message Encryption For Discord

A really tiny crypto library.

Managed .NET wrapper for unmanaged PKCS#11 libraries

Cryptography Toolkit

Exploit Development, Reverse Engineering & Cryptography

SQLite3 encryption that sucks less

A lightweight, secure, easy-to-use crypto library suitable for constrained environments.

Node.js bindings for Argon2 hashing algorithm

Stream encryption & decryption with libsodium and protobuf

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.

Secure software enclave for storage of sensitive information in memory.

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