openlibing 平台与华为云交互 SDK：OIDC 认证获取临时凭证、callApig 一行调用 APIG（V11-HMAC-SHA256 签名）、HTTPS 请求工具（基于 Node 内置 fetch）

HMAC-SHA256 capability tokens for kohaku's AuthzPort: an on-behalf-of token whose payload is transparent (base64url(payload).base64url(hmac)), suitable as the default issuer for a single host and as the capability signer behind a JWT/OIDC principal resolv

Shared encryption (AES-256-GCM + HKDF) and deterministic hashing (HMAC-SHA256) library for Cobranza App microservices.

Server-side HMAC-SHA256 token signer for the ForU Gatekeeper AI API

JavaScript implementations of network transports, cryptography, ciphers, PKI, message digests, and various utilities.

WhatsApp channel bond — implements @molecule/api-channel via the WhatsApp Cloud API for sendMessage (text/template/interactive), x-hub-signature-256 HMAC-SHA256 webhook verification, and inbound message parsing.

AES-256-CTR encryption with HMAC-SHA256 verification and HKDF key derivation

Symmetric encryption for RudderJS. AES-256-CBC with HMAC-SHA256 signing. Uses only `node:crypto`.

HMAC-SHA256 request signing and verification for API integrations

TypeScript client for LDAP-REST API with HMAC-SHA256 and SSO cookie authentication

A consistent interface for SHA256 across browsers and NodeJs

AgentEscrow402 TypeScript SDK — read-only HTTP client, Ed25519 signature verification, and HMAC-SHA256 webhook signature verification for AE402 escrow payments on Casper.

Insomnia plugin that automatically generates Verint API authentication headers using HMAC-SHA256 signing algorithm. The plugin reads api_key_id and api_key from environment variables and creates the proper Authorization header for Verint API requests, eli

Web/HTTP ChannelDriver adapter for @claustrum/core. Pluggable render sink (WebSocket/SSE) and HMAC-SHA256 envelope attestation.

Secure webhook receiver with HMAC-SHA256 verification and idempotency

Deterministic API request signing using HMAC-SHA256

HMAC-SHA256 signing and timing-safe verification for webhooks, with optional replay protection. Zero dependencies (Node crypto only).

Node.js SDK for the Mpay User API, with automatic HMAC-SHA256 request signing.

ASH (Application Security Hash) Node.js SDK — HMAC-SHA256 request signing, verification, and Express/Fastify middleware

Shared HMAC-SHA256 request signing and verification for the appEcosystem service mesh