@oracle/suitecloud-cli/src/utils/CryptoUtils.js

SuiteCloud CLI for Node.js

/*
** Copyright (c) 2024 Oracle and/or its affiliates.  All rights reserved.
** Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
*/

'use strict';

const crypto = require('crypto');
const ALGORITHM = 'aes-256-cbc';
const ENCRYPTION_KEY_BUFFER_LENGTH = 16;
const IV_LENGTH = 16;
const HEX = 'hex';
const DELIMITER = ':';

function encrypt(text, key) {
	const iv = crypto.randomBytes(IV_LENGTH);
	const cipher = crypto.createCipheriv(ALGORITHM, Buffer.from(key), iv);
	let encrypted = cipher.update(text);
	encrypted = Buffer.concat([encrypted, cipher.final()]);

	return iv.toString(HEX) + DELIMITER + encrypted.toString(HEX);
}

function decrypt(text, key) {
	const textParts = text.split(DELIMITER);
	const iv = Buffer.from(textParts.shift(), HEX);
	const encryptedText = Buffer.from(textParts.join(DELIMITER), HEX);
	const decipher = crypto.createDecipheriv(ALGORITHM, Buffer.from(key), iv);
	let decrypted = decipher.update(encryptedText);
	decrypted = Buffer.concat([decrypted, decipher.final()]);

	return decrypted.toString();
}

function generateRandomKey() {
	return crypto
		.randomBytes(ENCRYPTION_KEY_BUFFER_LENGTH)
		.toString(HEX)
		.substr(0, 32);
}

module.exports = { decrypt, encrypt, generateRandomKey };