2279 Open source projects that are alternatives of or similar to Acra

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

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

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

An open source cybersecurity protocol for syncing decentralized graph data.

A collection of common (interesting) cryptographic mistakes.

A curated list of cryptography resources and links.

Cryptographic filesystem for the cloud

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.

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

s2n : an implementation of the TLS/SSL protocols

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

Filesystem in userspace (FUSE) with transparent authenticated encryption

✅ .NET crypto done right. Professionally audited.

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.

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

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

Encrypted, taggable, searchable cloud storage

Secure USB DFU1.1 bootloader for STM32

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

A library for doing homomorphic encryption operations on tensors

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

Project Wycheproof tests crypto libraries against known attacks.

Modern cryptography for PostgreSQL using libsodium.

The world's easiest, most powerful random function.

SQLite3 encryption that sucks less

free C++ class library of cryptographic schemes

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

Managed .NET wrapper for unmanaged PKCS#11 libraries

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

A package for automatically encrypting and decrypting Eloquent attributes in Laravel 5.5+, based on configuration settings.

Client-side password-protection for HTML

Spritz encryption system portable C library, CSPRNG, cryptographic hash and MAC functions, symmetric-key data encryption, and general-purpose functions. It's also an Arduino library.

TLS/SSL and crypto library

Free open source cross platform password manager

封装多种CTF和平时常见加密及编码C#类库

🔒 A set of high-level APIs over PointyCastle for two-way cryptography.

Exploit Development, Reverse Engineering & Cryptography

Usable, easy and safe pure-Rust crypto

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

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.

My opinionated list of products and tools used for high-scalability projects

The Etebase server (so you can run your own)

Secure software enclave for storage of sensitive information in memory.

nFreezer is an encrypted-at-rest backup tool.

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

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

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.

🍯 Generic honeypot utilities for use in django projects.

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.

A Linux Ransomware

Reusable django app implementing x509 PKI certificates management

Peer-to-peer encrypted message exchange

Tangram Bamboo CLI Wallet

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.

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

A framework for Backdoor development!

attacking RSA via lattice reductions (LLL)

🔑 Free Offline Password Manager

Capillary is a library to simplify the sending of end-to-end encrypted push messages from Java-based application servers to Android clients.

Official implementation of IoTeX blockchain protocol in Go.