free C++ class library of cryptographic schemes

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.

Cross-platform, cross-blockchain wallet library.

Cryptography Toolkit

FISCO BCOS（发音为/ˈfɪskl bi:ˈkɒz/）是一个稳定、高效、安全的许可区块链平台，已被广泛应用于现实的行业应用。截至目前，已拥有5000多家企事业单位，400多个产业数字化标杆应用，涵盖文化版权、司法服务、政府服务、物联网、金融、智慧社区、房地产建设、社区治理、乡村振兴等领域。FISCO BCOS (pronounced /ˈfɪskl bi:ˈkɒz/) is a stable, efficient, and secure permissioned blockchain platform that has been widely used in real-world industry applications.

Cryptographic filesystem for the cloud

Advanced library for randomization, hashing and statistical analysis (devoted to chaos machines). 🔬

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.

Concrete: TFHE Compiler that converts python programs into FHE equivalent

Secure multi crypto exchange trading client

Filesystem in userspace (FUSE) with transparent authenticated encryption

A header-only C++ library for interacting with crypto exchanges. Bindings for Python, Java, C#, Go, and Javascript are provided.

A free, open-source, robust yet user-friendly, compact and cross-platform tool for OpenPGP encryption. It stands out as an exceptional GUI frontend for the modern GnuPG (gpg).

Okcash: Your Eco-Friendly, Multi-Chain Digital Currency. Open-source and decentralized, Okcash enables secure, global transactions with no central authority.

🍀 c++ standalone header-only basic library. || c++头文件实现无第三方依赖基础库

The multiversal cryptoengine!

📈 Better Quant

Dynex is the world’s only accessible neuromorphic quantum computing cloud for solving real-world problems, at scale.

Global-Scale Sustainable Blockchain Fabric

Virgil Crypto 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. Crypto Library is written in C++, suitable for mobile and server platforms and supports bindings with: Swift, Obj-C, Java (Android), С#/.NET, …