index.php

<?php
if (empty($argv[1]) || !in_array($argv[1], ['encrypt', 'decrypt'])) {
	exit("Unknown command, encrypt or decrypt is required.\n");
}
if (empty($argv[2]) || !is_file($argv[2])) {
	exit("Drag a file on encrypt.cmd or decrypt.cmd to work with.\n");
}

ini_set('memory_limit', -1);

require_once __DIR__ . '/packman.php';

try {
	$algorythm = 'sha3-512';
	$randomBytesLength = 64;

	if (!empty($argv[3])) {
		$password = $argv[3];
		echo "Using password from given arguments...\n";
	} else {
		$password = Packman::readPassword("Password:\n");
	}

	$started = microtime(true);

	switch ($argv[1]) {
		case 'encrypt': {
			Packman::encryptFile($argv[2], $password, $algorythm, $randomBytesLength);
		} break;
		case 'decrypt': {
			Packman::decryptFile($argv[2], $password);
		} break;
	}

	$finished = microtime(true);
	
	$time = number_format(($finished - $started), 3);
	$memory = memory_get_peak_usage(true);

	echo "Time: {$time} sec\n";
	echo "Memory: {$memory} bytes\n";
} catch (Exception|Error $e) {
	echo "Error: {$e->getMessage()}\n";
}