#cryptography

Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.

Don't Roll Your Own Crypto: pure-Rust, hard to misuse cryptography library

Chronicle - Verifiable Audit Logging and Append-Only Audit Trails for Laravel.

An open protocol for per-public-key backends for censorship resistant web applications.

An implementation of Bitcoin Improvement Proposal 157/158

Generic elliptic curve cryptography in Rust

No repository description published.

Portable signed records for automated interactions.

Go SDK for integration with the Integrated Tax Administration System (SIAT).

pure-python ECDSA signature/verification and ECDH key agreement

JRuby's OpenSSL gem

The Halo2 zero-knowledge proving system

Picky portable PKI implementation and microservice

Pure-JavaScript PKI toolkit that owns its stack — X.509, ASN.1/DER, CMS, PQC-first.

Python 3 bindings for liboqs

Saorsa Core - P2P networking library with DHT, QUIC transport, four-word addresses, and MCP integration

Receipt Required for AI agents — no receipt, no irreversible action. An open, offline-verifiable authorization-receipt protocol: a named human signs the exact high-risk action (payment, deploy, delete, permissions) before it runs, and anyone can verify it later, trusting no one. Apache-2.0 · formally verified · IETF Internet-Drafts.

Collection of cryptographic hash functions written in pure Rust

Offline cryptographic receipts for AI evaluation results — Ed25519 + RFC 6962 Merkle + optional SD-JWT. Integrity, not truth

AEGIS high performance ciphers for Rust.

Implementation of the Zcash Orchard Protocol

MultiVM interface for zksync-os

BitBox02 client library for Rust and TypeScript