Cryptography

High-performance cryptographic library — HE (CKKS/BFV/BGV), DP, PSI/PIR, VOPRF, SSS, MPC, and encrypted ML inference. C++ core with Python bindings.

MCP server exposing cryptography library functionality

Cross-platform Python library for Post-Quantum Cryptography using precompiled PQClean binaries

bindings for libhydrogen using cffi

Common utilities and FIPS-compliant cryptography for EmpowerNow packages

JACS - JSON AI Communication Standard: Cryptographic signing and verification for AI agents.

Python package wrapping the public and private key cryptography and support for hardware wallet interactions.

Implementation of lattice cryptography primitives

Python SDK for Prompt Fence - cryptographic security boundaries for LLM prompts

Python bindings for GPGME GnuPG cryptography library

Python bindings for DCAP (Data Center Attestation Primitives) quote verification library

Toolkit for safe and simple cryptography

Python S/MIME Toolkit

Python package wrapping the public and private key cryptography and ledger api of solana.

A python version of XTEA

Cryptography library for authenticating with World of Warcraft 1.2-3.3.5 clients.

Predict python's random module random generated values

Python package wrapping the public and private key cryptography and ledger API of Fetch.AI.

A module-latice-based key-encapsulation mechanism (ML-KEM). Implements the FIPS-203 standard.

DCP Protocol SDK — 9-layer zero-knowledge AES-256-GCM encryption

Check cryptographic keys for known weaknesses

Military-grade file and message encryption tool with AES-256-GCM and Argon2id

Drop-in quantum-safe upgrade for Python cryptography - zero code changes required

Emmett framework cryptographic library

Python high level library for symmetric & asymmetric encryption

PKTron - Pakistan's 1st AI Full Quantum Framework Simulation Lab

Proof that AI saw what you think it saw.

My asyncio-like library

Sanskrit-Encoded Post-Quantum Cryptography SDK

Intel® Cryptography Primitives Library Static

Elliptic Cryptography and ECDSA

Simple S/MIME e-mails with Python3

Intel® Cryptography Primitives Library Runtime

RSA implementation based on python-rsa

a high-level async cryptographic anonymity library to scale, simplify, & automate privacy best practices for secure data & identity processing, communication, & storage.

A Python package for cryptography in payment systems

Toolkit for safe and simple cryptography

Intel® Cryptography Primitives Library Include

A collection of Python pomes, penyeach (cryptography modules)

Generic Encryption Peripheral: various utilities related to cryptography and smart cards

XTEA encryption with multiple modes (ECB, CBC, CFB, OFB, CTR) - High-performance Cython implementation

Reference implementation in Python of Poseidon and optimized Poseidon (Neptune) hash functions

Working with numbers (primes, modular, etc.)

Cryptographic file inventory and exfiltration detection — powered by CertiSigma

Package that contains ECDSA arithmetics and Merkle tree root calculation

Verify drand beacons and derive their randomness.

A python cryptography package written in Rust made for speed.

Runtime audit and pre-execution block layer for autonomous AI agents. Protects against instruction smuggling, semantic camouflage, and supply-chain attacks.

Easy implementation of professional Python cryptography packages

Portable repro artifacts for AI agent runs. Capture, open, share, and verify failures in any browser.