3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
20 * This is in the same namespace as Crypto for mocking 'rand' and 'random_init'
22 namespace Friendica\Util;
24 use phpseclib\Crypt\RSA;
25 use phpseclib\Math\BigInteger;
26 use PHPUnit\Framework\TestCase;
28 class CryptoTest extends TestCase
31 * Replaces random_int results with given mocks
34 private function assertRandomInt($min, $max)
37 $phpMock['random_int'] = function ($mMin, $mMax) use ($min, $max) {
38 self::assertEquals($min, $mMin);
39 self::assertEquals($max, $mMax);
44 public function testRandomDigitsRandomInt()
46 self::assertRandomInt(0, 9);
48 $test = Crypto::randomDigits(1);
49 self::assertEquals(1, strlen($test));
50 self::assertEquals(1, $test);
52 $test = Crypto::randomDigits(8);
53 self::assertEquals(8, strlen($test));
54 self::assertEquals(11111111, $test);
57 public function dataRsa()
61 'key' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-rsa-base64'),
62 'expected' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-pem'),
68 * @dataProvider dataRsa
70 public function testPubRsaToMe(string $key, string $expected)
72 self::assertEquals($expected, Crypto::rsaToPem(base64_decode($key)));
76 public function dataPEM()
80 'key' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-pem'),
86 * @dataProvider dataPEM
88 public function testPemToMe(string $key)
90 Crypto::pemToMe($key, $m, $e);
92 $expectedRSA = new RSA();
93 $expectedRSA->loadKey([
94 'e' => new BigInteger($e, 256),
95 'n' => new BigInteger($m, 256)
98 self::assertEquals($expectedRSA->getPublicKey(), $key);
102 * @dataProvider dataPEM
104 public function testMeToPem(string $key)
106 Crypto::pemToMe($key, $m, $e);
108 $checkKey = Crypto::meToPem($m, $e);
110 self::assertEquals($key, $checkKey);
115 * A workaround to replace the PHP native random_int() (>= 7.0) with a mocked function
119 function random_int($min, $max)
122 if (isset($phpMock['random_int'])) {
123 $result = call_user_func_array($phpMock['random_int'], func_get_args());