787 Open source projects that are alternatives of or similar to Orion

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

✅ .NET crypto done right. Professionally audited.

A modern and easy-to-use cryptographic library for .NET Core based on libsodium

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

Virgil PHP Crypto Library is a high-level cryptographic library that allows you to perform all necessary operations for secure storing and transferring data and everything required to become HIPAA and GDPR compliant.

CryptoTrojan in Python (For educational purpose ONLY)

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

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

dude, is my code constant time?

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.

A collection of common (interesting) cryptographic mistakes.

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

The portal to the new, open internet. ([I:b])

An automated, modular cryptanalysis tool; i.e., a Weapon of Math Destruction

æternity: solving scalability problems by making sense of state-channels

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

IBM Fully Homomorphic Encryption Toolkit For Linux. This toolkit is a Linux based Docker container that demonstrates computing on encrypted data without decrypting it! The toolkit ships with two demos including a fully encrypted Machine Learning inference with a Neural Network and a Privacy-Preserving key-value search.

A modern, portable, easy to use crypto library.

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

Stream encryption & decryption with libsodium and protobuf

A really tiny crypto library.

.NET Standard 1.3 implementation of the Noise Protocol Framework (revision 33 of the spec)

A sample backend that demonstrates how to generate a Virgil JWT and Twilio token used for authentication with the Virgil and Twilio services

Cryptography Toolkit

Project Wycheproof tests crypto libraries against known attacks.

Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA

The world's easiest, most powerful random function.

Fast and dependency-free cryptographic hashing library for node.js and browsers (supports MD5, SHA1, SHA256, SHA512, RIPEMD, HMAC)

Database security suite. Database proxy with field-level encryption, search through encrypted data, SQL injections prevention, intrusion detection, honeypots. Supports client-side and proxy-side ("transparent") encryption. SQL, NoSQL.

Multi-platform transparent client-side encryption of your files in the cloud

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

High-level cryptography interface powered by libsodium

An implementation of TLS and related specifications in Common Lisp

How to backdoor Diffie-Hellman

📚 VoidHack CTF write-ups

Cross-platform cryptographic functions in swift

CryptoSwift is a growing collection of standard and secure cryptographic algorithms implemented in Swift

Node.js bindings for Argon2 hashing algorithm

A Javascript implementation of SipHash-2-4

Argon2 password hashing package for go with constant time hash comparison

i2pd browser bundle

Go tool for managing Linux filesystem encryption

A repository that aims to provide tools for cryptography and cryptanalysis

A complete overhaul of the Golang wrapper for libsodium

An open source cybersecurity protocol for syncing decentralized graph data.

Cryptographic filesystem for the cloud

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

Password4j is a user-friendly cryptographic library that supports Argon2, Bcrypt, Scrypt, PBKDF2 and various cryptographic hash functions.

🔓 CLI tool and library to execute padding oracle attacks easily, with support for concurrent network requests and an elegant UI.

Cloudflare's RPKI Toolbox

The pure-Rust password hashing library running on Argon2.

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

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

Fast, reliable cipher, hash and hmac methods executed in Node's threadpool for multi-core throughput.

Secure software enclave for storage of sensitive information in memory.

Exploit Development, Reverse Engineering & Cryptography

The PHP extension for libsodium.

Filesystem in userspace (FUSE) with transparent authenticated encryption

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

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.