const EthCrypto = require('eth-crypto');

const privKey = "0xd9c3501c110a83bb22c319e4c50b9169f2fee017d98dc22c9af624adb6f10130";
//const pubKey = "4f3fc0bebdeeeffd0d94afa321d8d3f8b3373a6910438842bde9808cffef0ccc261b5b5171c730a164e4d4108927e6e18fb757f81d2d4234e7cc14e2507c49ba";
const message = "testMessage"

const derivedPublicKey = EthCrypto.publicKeyByPrivateKey(testPriv
);

async function main() {

    const encrypted = await EthCrypto.encryptWithPublicKey(
        pubKey, // publicKey
        message // message
    );

    console.log({encrypted});

    const decryptedMessage = await EthCrypto.decryptWithPrivateKey(
        privKey, // privateKey
        encrypted
        // encrypted-data
    );