A Claude Code skill for registering AI agents on the [ERC-8004 (Trustless Agents)](https://github.com/builders-garden/ERC-8004) standard and authenticating them via SIWA, a challenge-response protocol inspired by [EIP-4361 (SIWE)](https://eips.ethereum.or
Distributed Access Token
Isomorphic Cryptography Library for AES, HMAC and SHA2
Simplified encryption/decryption for node.js
Audited & minimal JS implementation of Salsa20, ChaCha and AES
JWT validation library for Node.js
Simple encryption-at-rest with key rotation. Includes sequelize support.
XML Digital Signature implementation in TypeScript/JavaScript using Web Crypto API
JavaScript library of crypto standards.
One-time passwords with HOTP and TOTP
nodejs hkdf crypto primitive
jsSHA implements the complete Secure Hash Standard (SHA) family (SHA-1, SHA-224/256/384/512, SHA3-224/256/384/512, SHAKE128/256, cSHAKE128/256, and KMAC128/256) with HMAC
HKDF key derivation function
Security library
A signatures library based on Node.js crypto module.
Elliptic curve cryptography library (NodeJS, Browser and Pure JS)
IBM SDK for JavaScript
The insecure key derivation algorithm from OpenSSL
A robust generator of secure authentication HOTP tokens, employing the HMAC-based One-Time Password algorithm, accompanied by a suite of cryptographic utilities, all encapsulated within a compact TypeScript module.
Xml digital signature and encryption library for Node.js
pure js hmac that can be used with any create hash function.
native-crypto ===
Webhook signature verification middleware for Hono. Supports Stripe, GitHub, Slack, Shopify, Twilio, LINE, Discord, Standard Webhooks, and custom providers.
A hashing library for react-native