3 * @copyright Copyright (C) 2010-2022, the Friendica project
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'
23 /// @todo Use right namespace - needs alternative way of mocking random_int()
24 namespace Friendica\Util;
26 use phpseclib\Crypt\RSA;
27 use phpseclib\Math\BigInteger;
28 use PHPUnit\Framework\TestCase;
30 class CryptoTest extends TestCase
32 public static function tearDownAfterClass(): void
38 parent::tearDownAfterClass();
42 * Replaces random_int results with given mocks
45 private function assertRandomInt($min, $max)
48 $phpMock['random_int'] = function ($mMin, $mMax) use ($min, $max) {
49 self::assertEquals($min, $mMin);
50 self::assertEquals($max, $mMax);
55 public function testRandomDigitsRandomInt()
57 self::assertRandomInt(0, 9);
59 $test = Crypto::randomDigits(1);
60 self::assertEquals(1, strlen($test));
61 self::assertEquals(1, $test);
63 $test = Crypto::randomDigits(8);
64 self::assertEquals(8, strlen($test));
65 self::assertEquals(11111111, $test);
68 public function dataRsa()
72 'key' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-rsa-base64'),
73 'expected' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-pem'),
79 * @dataProvider dataRsa
81 public function testPubRsaToMe(string $key, string $expected)
83 self::assertEquals($expected, Crypto::rsaToPem(base64_decode($key)));
87 public function dataPEM()
91 'key' => file_get_contents(__DIR__ . '/../../datasets/crypto/rsa/diaspora-public-pem'),
97 * @dataProvider dataPEM
99 public function testPemToMe(string $key)
101 Crypto::pemToMe($key, $m, $e);
103 $expectedRSA = new RSA();
104 $expectedRSA->loadKey([
105 'e' => new BigInteger($e, 256),
106 'n' => new BigInteger($m, 256)
109 self::assertEquals($expectedRSA->getPublicKey(), $key);
113 * @dataProvider dataPEM
115 public function testMeToPem(string $key)
117 Crypto::pemToMe($key, $m, $e);
119 $checkKey = Crypto::meToPem($m, $e);
121 self::assertEquals($key, $checkKey);
126 * A workaround to replace the PHP native random_int() (>= 7.0) with a mocked function
130 function random_int($min, $max)
133 if (isset($phpMock['random_int'])) {
134 return call_user_func_array($phpMock['random_int'], func_get_args());