Function generateChecksum

src/settings/backupRestore.js:38–45

* Generates a CRC32 checksum for data integrity verification * More robust than simple hash for detecting corrupted data * @param {string} data * @returns {string}

(data)

 * @returns {string}
 */
function generateChecksum(data) {
	let crc = 0xffffffff;
	for (let i = 0; i < data.length; i++) {
		const byte = data.charCodeAt(i) & 0xff;
		crc = CRC32_TABLE[(crc ^ byte) & 0xff] ^ (crc >>> 8);
	}
	return ((crc ^ 0xffffffff) >>> 0).toString(16).padStart(8, "0");
}

/**
 * Validates the structure of a backup object