AI agent governance - audit trails, policy enforcement, ML-DSA cryptographic signatures

AI-powered research assistant with REAL Ed25519 cryptographic signatures, GOAP planning, and Perplexity API integration

@uploadcare/signed-uploads is a Node.js library for generating cryptographic signatures required by Uploadcare Signed Uploads security feature. Returns a {secureSignature, secureExpire} pair ready to pass to @uploadcare/upload-client. Supports flexible ex

Open Gateway Protocol (OGP) - Peer-to-peer federation daemon for OpenClaw AI gateways with cryptographic signatures

This library provides a collection of reusable functions and classes to **parse**, **validate**, and **verify cryptographic signatures** for attestation report, TPM measurements and calculate measurements across multiple platforms.

react-native-secure-sign lets you generates and use cryptographic signatures backed by hardware security on iOS and Android

Standalone crypto library to verify cryptographic signatures for the Internet Computer

BSV-ECDSA-DER cryptographic signatures for LumenChat agent verification

Local DID signer for AmikoNet - manages private keys and creates cryptographic signatures (never transmits keys)

Ed25519 cryptographic signatures for IntentText (.it) documents — provable 'who signed', self-verifying and offline. The opt-in identity layer on top of @dotit/core's integrity seal.

Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it p

Authenticate HTTP requests using cryptographic signatures

Fastest 5KB JS implementation of secp256k1 ECDH & ECDSA signatures compliant with RFC6979

An implementation of the Linked Data Signatures specifications for JSON-LD in JavaScript.

Auditable & minimal JS implementation of post-quantum cryptography: FIPS 203, 204, 205, Falcon

W3Ledger MCP Server — AI-powered token balances, gift cards, sponsor cards, and dual-signed purchases via Model Context Protocol. Self-verifying ledger with cryptographic signatures.

TypeScript implementation of PCF-SIG v1.0, the PCF Cryptographic Signatures profile

A Javascript library for generating and performing common operations on Linked Data cryptographic key pairs.

An implementation of the Linked Data Signatures specifications for JSON-LD in JavaScript.

AST utils for webassemblyjs