Calculating MD5 hash of a file in Swift

MD5.swift

import CryptoKit
import Foundation

func md5File(from url: URL, bufferSize: Int = 1024 * 1024) throws -> Data {
	let file = try FileHandle(forReadingFrom: url)
	defer {
		file.closeFile()
	}

	var md5 = CryptoKit.Insecure.MD5()

	while autoreleasepool(invoking: {
		let data = file.readData(ofLength: bufferSize)
		if data.isNotEmpty {
			md5.update(data: data)
			return true
		} else {
			return false
		}
	}) {

	}

	return Data(md5.finalize())
}