Simple key/secret based authentication for apis, ported from the Ruby gem of the same name
MCP server for Certta — Brazilian identity + signature platform (KYC/KYB, biometrics, OCR, ICP-Brasil + electronic signature, onboarding pipelines)
True-native signature capture for React Native. PencilKit on iOS, hand-tuned velocity-Bezier on Android. Fabric-first, zero Skia.
FROST(secp256k1, SHA-256) Taproot - A BIP-340 compatible Schnorr signature scheme over secp256k1 that supports FROST threshold signatures
FROST(Ed25519, SHA-512) - A Schnorr signature scheme over Ed25519 that supports FROST threshold signatures
FROST(ristretto255, SHA-512) - A Schnorr signature scheme over ristretto255 that supports FROST threshold signatures
FROST(Ed448, SHAKE256) - A Schnorr signature scheme over Ed448 that supports FROST threshold signatures
FROST(secp256k1, SHA-256) - A Schnorr signature scheme over secp256k1 that supports FROST threshold signatures
FROST(P-256, SHA-256) - A Schnorr signature scheme over P-256 that supports FROST threshold signatures
Root/jailbreak detection and APK signature verification for React Native (Nitro Modules, New Architecture)
blindrsa-ts: A TypeScript Library for the RSA Blind Signature Protocol
Certificats/attestations vérifiables : génération PDF + QR de vérification + signature numérique (HMAC). DB-agnostique ; compose security/qrpanel/file-export/numbering/storage.
OpenDPP webhook event types + a zero-dependency, constant-time HMAC-SHA256 signature verifier for inbound OpenDPP webhooks (ESM, Node >=26).
Unified, zero-dependency, edge-compatible webhook signature verification library for Node.js and TypeScript. Supports Stripe, GitHub, Clerk, Shopify, Lemon Squeezy, and Resend.
Payment Kit Vendor SDK - Signature verification, lifecycle management, and type definition integration solution
Lovable Webhooks JS
Official library for using the Slack Platform's Web API
Official library for using the Slack Platform's Interactive Buttons, Menus, Dialogs, Actions, and Block Actions
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.
SDK to facilitate Node integrations with Stark Infra
Core types and traits for FROST (Flexible Round-Optimized Schnorr Threshold) signatures
Re-randomized FROST signatures for threshold cryptography with re-randomizable keys
Quereus plugin providing cryptographic functions (digest, sign, verify)