Crypto.php — NitroPack – Performance, Page Speed & Cache Plugin for Core Web Vitals, CDN & Image Optimization 1.19.8

nitropack / nitropack-sdk / NitroPack / SDK / Crypto.php

nitropack / nitropack-sdk / NitroPack / SDK Last commit date

Crypto.php

44 lines

1	<?php
2
3	namespace NitroPack\SDK;
4
5	class Crypto {
6	public static function generateKeyPair() {
7	$config = array(
8	"digest_alg" => "sha512",
9	"private_key_bits" => 4096,
10	"private_key_type" => OPENSSL_KEYTYPE_RSA,
11	);
12
13	$res = openssl_pkey_new($config);
14	openssl_pkey_export($res, $privKey);
15
16	$pubKey = openssl_pkey_get_details($res);
17	$pubKey = $pubKey["key"];
18
19	$result = new \stdClass;
20	$result->publicKey = $pubKey;
21	$result->privateKey = $privKey;
22
23	return $result;
24	}
25
26	public static function encrypt($data, $publicKey) {
27	if (openssl_seal($data, $encrypted, $envKeys, array($publicKey), "aes256", $iv)) {
28	return base64_encode($envKeys[0]) . "---END ENVKEY---" . base64_encode($encrypted) . "---END ENVKEY---" . base64_encode($iv);
29	}
30
31	return "";
32	}
33
34	public static function decrypt($data, $privateKey) {
35	list($envKey, $sealedData, $iv) = array_map('base64_decode', explode("---END ENVKEY---", $data));
36
37	if (openssl_open($sealedData, $decrypted, $envKey, $privateKey, "aes256", $iv)) {
38	return $decrypted;
39	}
40
41	return "";
42	}
43	}
44