Kush E2E Encryption Lib

A lightweight, secure wrapper for ECDH and JOSE encryption.

End-to-end encryption library for secure peer-to-peer communication using ECDH key exchange and AES-256 encryption.

Installation

npm install kush-e2e

Usage

import { KushE2E } from 'kush-e2e';

// Create identities
const identity1 = await KushE2E.createIdentity();
const identity2 = await KushE2E.createIdentity();

// Derive shared session key
const sessionKey = await KushE2E.deriveSessionKey(
  identity1.privateKey,
  identity2.publicKey
);

// Encrypt message
const encrypted = await KushE2E.encrypt('Hello World', sessionKey);

// Decrypt message
const decrypted = await KushE2E.decrypt(encrypted, sessionKey);
console.log(decrypted); // "Hello World"

Features

• ECDH-ES+A256KW key exchange with P-256 curve
• AES-256 GCM encryption/decryption
• Cross-platform crypto support (Node.js and browsers)
• Full TypeScript support

License

ISC