Signing at the edge for KERI, ACDC, and KERIA

Universal Module for Cryptographic Key Utilities in JavaScript, including PEM-JWK converters

XML Digital Signature implementation in TypeScript/JavaScript using Web Crypto API

This repository provides utilities for signing, verifying, and deriving Verifiable Credentials (VCs) using modern cryptographic signature schemes including ECDSA-SD-2023 and BBS-2023, with selective disclosure capabilities. These functions ensure the auth

Core dependencies for the NEAR API JavaScript client

An Abstract Class for describing an Ethereum Provider for ethers.

Polymarket SDK for creating builder headers

Capacitor plugin that uses Secure Enclave (iOS) or StrongBox/TEE (Android) to generate key-pairs, sign, verify, encrypt or decrypt data. It also provides a way to authenticate the user via biometrics and passkey.

A package for signing and verifying VS Code extensions

A TypeScript wrapper for the Radix Engine Toolkit that provides many of the necessary tools to interact with the Radix ledger

Web Crypto signing and verification contracts for AgentPlat Mesh envelopes.

Utils for authenticity verification of trezor device secure element response.

This project provides utility functions for symmetric and asymmetric encryption, decryption, signing, and hashing. It uses the crypto and bcryptjs libraries for cryptographic operations.

This is a library that implements the [CIP-0008](https://github.com/cardano-foundation/CIPs/blob/master/CIP-0008/README.md) message signing spec for the Cardano blockchain.

Sign-In with Ethereum

The SHA2 family hash functions and HMAC functions for ethers.

Ledger service responsible for domain handling

Functions and data types for transactions on NEAR

Cryptographic signing for AI model inference outputs. ECDSA P-256. Proves which model generated each response.

TS / Node API for Substrate/Polkadot based apps running on Ledger devices