@cenoa/waas-js-sdk/dist/esm/wallet-manager/encryption/EncryptionHelper.js

Official Cenoa Wallet as a Service SDK

import CryptoJS from 'crypto-js';
var EncryptionHelper;
(function (EncryptionHelper) {
    function generateKey(encryptionSecret) {
        const { kek, salt } = encryptionSecret;
        return CryptoJS.PBKDF2(kek, salt, {
            keySize: 32,
            iterations: 5000,
        }).toString();
    }
    // The encrypt function
    function encryptData(data, encryptionSecret) {
        const text = JSON.stringify(data);
        const derivedKey = generateKey(encryptionSecret);
        const iv = CryptoJS.lib.WordArray.random(16);
        const cipherText = CryptoJS.AES.encrypt(text, derivedKey, {
            iv,
        }).toString();
        const encryptedData = {
            cipherText,
            iv: iv.toString(),
        };
        return Buffer.from(JSON.stringify(encryptedData)).toString('base64');
    }
    EncryptionHelper.encryptData = encryptData;
    // The decrypt function
    function decryptData(encryptedText, encryptionSecret) {
        const decodedText = Buffer.from(encryptedText, 'base64').toString();
        const { cipherText, iv } = JSON.parse(decodedText);
        const derivedKey = generateKey(encryptionSecret);
        const data = CryptoJS.AES.decrypt(cipherText, derivedKey, { iv });
        const decryptedText = data.toString(CryptoJS.enc.Utf8);
        return JSON.parse(decryptedText);
    }
    EncryptionHelper.decryptData = decryptData;
})(EncryptionHelper || (EncryptionHelper = {}));
export default EncryptionHelper;