Abel Hoogeveen
5df6b733d0
The following tests for classes have been implemented: - Security - Input - Encryption Library - Utf8 A mocking autoloader has been added (but is not yet configured correctly)
424 lines
17 KiB
PHP
424 lines
17 KiB
PHP
<?php
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/**
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* FuzeWorks.
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*
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* The FuzeWorks MVC PHP FrameWork
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*
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* Copyright (C) 2015 TechFuze
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @author TechFuze
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* @copyright Copyright (c) 2013 - 2016, Techfuze. (http://techfuze.net)
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* @copyright Copyright (c) 1996 - 2015, Free Software Foundation, Inc. (http://www.fsf.org/)
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* @license http://opensource.org/licenses/GPL-3.0 GPLv3 License
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*
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* @link http://fuzeworks.techfuze.net
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* @since Version 0.0.1
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*
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* @version Version 0.0.1
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*/
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use FuzeWorks\Factory;
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/**
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* Class FactoryTest.
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*
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* Will test the FuzeWorks Factory.
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*/
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class encryptionTest extends CoreTestAbstract
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{
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protected $factory;
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public function setUp()
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{
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$this->factory = Factory::getInstance();
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$this->factory->libraries->get('encryption');
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require_once('encryption/mock_encryption.php');
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$this->encryption = new Mock_Libraries_Encryption();
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}
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// --------------------------------------------------------------------
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/**
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* __construct test
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*
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* Covers behavior with $config['encryption_key'] set or not
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*/
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public function test___construct()
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{
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// Assume no configuration from set_up()
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$this->assertNull($this->encryption->get_key());
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// Try with an empty value
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$this->factory->config->getConfig('encryption')->encryption_key = '';
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$this->encrypt = new Mock_Libraries_Encryption();
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$this->assertNull($this->encrypt->get_key());
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$this->factory->config->getConfig('encryption')->encryption_key = str_repeat("\x0", 16);
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$this->encrypt = new Mock_Libraries_Encryption();
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$this->assertEquals(str_repeat("\x0", 16), $this->encrypt->get_key());
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}
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// --------------------------------------------------------------------
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/**
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* hkdf() test
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*
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* Applies test vectors described in Appendix A(1-3) RFC5869.
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* Described vectors 4-7 SHA-1, which we don't support and are
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* therefore excluded.
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*
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* Because our implementation is a single method instead of being
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* split into hkdf_extract() and hkdf_expand(), we cannot test for
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* the PRK value. As long as the OKM is correct though, it's fine.
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*
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* @link https://tools.ietf.org/rfc/rfc5869.txt
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*/
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public function test_hkdf()
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{
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$vectors = array(
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// A.1: Basic test case with SHA-256
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array(
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'digest' => 'sha256',
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'ikm' => "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
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'salt' => "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c",
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'length' => 42,
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'info' => "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9",
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// 'prk' => "\x07\x77\x09\x36\x2c\x2e\x32\xdf\x0d\xdc\x3f\x0d\xc4\x7b\xba\x63\x90\xb6\xc7\x3b\xb5\x0f\x9c\x31\x22\xec\x84\x4a\xd7\xc2\xb3\xe5",
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'okm' => "\x3c\xb2\x5f\x25\xfa\xac\xd5\x7a\x90\x43\x4f\x64\xd0\x36\x2f\x2a\x2d\x2d\x0a\x90\xcf\x1a\x5a\x4c\x5d\xb0\x2d\x56\xec\xc4\xc5\xbf\x34\x00\x72\x08\xd5\xb8\x87\x18\x58\x65"
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),
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// A.2: Test with SHA-256 and longer inputs/outputs
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array(
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'digest' => 'sha256',
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'ikm' => "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f",
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'salt' => "\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf",
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'length' => 82,
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'info' => "\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff",
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// 'prk' => "\x06\xa6\xb8\x8c\x58\x53\x36\x1a\x06\x10\x4c\x9c\xeb\x35\xb4\x5c\xef\x76\x00\x14\x90\x46\x71\x01\x4a\x19\x3f\x40\xc1\x5f\xc2\x44",
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'okm' => "\xb1\x1e\x39\x8d\xc8\x03\x27\xa1\xc8\xe7\xf7\x8c\x59\x6a\x49\x34\x4f\x01\x2e\xda\x2d\x4e\xfa\xd8\xa0\x50\xcc\x4c\x19\xaf\xa9\x7c\x59\x04\x5a\x99\xca\xc7\x82\x72\x71\xcb\x41\xc6\x5e\x59\x0e\x09\xda\x32\x75\x60\x0c\x2f\x09\xb8\x36\x77\x93\xa9\xac\xa3\xdb\x71\xcc\x30\xc5\x81\x79\xec\x3e\x87\xc1\x4c\x01\xd5\xc1\xf3\x43\x4f\x1d\x87",
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),
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// A.3: Test with SHA-256 and zero-length salt/info
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array(
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'digest' => 'sha256',
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'ikm' => "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
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'salt' => '',
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'length' => 42,
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'info' => '',
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// 'prk' => "\x19\xef\x24\xa3\x2c\x71\x7b\x16\x7f\x33\xa9\x1d\x6f\x64\x8b\xdf\x96\x59\x67\x76\xaf\xdb\x63\x77\xac\x43\x4c\x1c\x29\x3c\xcb\x04",
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'okm' => "\x8d\xa4\xe7\x75\xa5\x63\xc1\x8f\x71\x5f\x80\x2a\x06\x3c\x5a\x31\xb8\xa1\x1f\x5c\x5e\xe1\x87\x9e\xc3\x45\x4e\x5f\x3c\x73\x8d\x2d\x9d\x20\x13\x95\xfa\xa4\xb6\x1a\x96\xc8",
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)
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);
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foreach ($vectors as $test)
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{
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$this->assertEquals(
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$test['okm'],
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$this->encryption->hkdf(
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$test['ikm'],
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$test['digest'],
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$test['salt'],
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$test['length'],
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$test['info']
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)
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);
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}
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// Test default length, it must match the digest size
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$this->assertEquals(64, strlen($this->encryption->hkdf('foobar', 'sha512')));
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// Test maximum length (RFC5869 says that it must be up to 255 times the digest size)
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$this->assertEquals(12240, strlen($this->encryption->hkdf('foobar', 'sha384', NULL, 48 * 255)));
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$this->assertFalse($this->encryption->hkdf('foobar', 'sha224', NULL, 28 * 255 + 1));
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// CI-specific test for an invalid digest
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$this->assertFalse($this->encryption->hkdf('fobar', 'sha1'));
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}
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// --------------------------------------------------------------------
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/**
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* _get_params() test
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*/
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public function test__get_params()
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{
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$key = str_repeat("\x0", 16);
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// Invalid custom parameters
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$params = array(
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// No cipher, mode or key
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array('cipher' => 'aes-128', 'mode' => 'cbc'),
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array('cipher' => 'aes-128', 'key' => $key),
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array('mode' => 'cbc', 'key' => $key),
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// No HMAC key or not a valid digest
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array('cipher' => 'aes-128', 'mode' => 'cbc', 'key' => $key),
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array('cipher' => 'aes-128', 'mode' => 'cbc', 'key' => $key, 'hmac_digest' => 'sha1', 'hmac_key' => $key),
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// Invalid mode
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array('cipher' => 'aes-128', 'mode' => 'foo', 'key' => $key, 'hmac_digest' => 'sha256', 'hmac_key' => $key)
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);
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for ($i = 0, $c = count($params); $i < $c; $i++)
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{
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$this->assertFalse($this->encryption->__get_params($params[$i]));
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}
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// Valid parameters
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$params = array(
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'cipher' => 'aes-128',
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'mode' => 'cbc',
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'key' => str_repeat("\x0", 16),
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'hmac_key' => str_repeat("\x0", 16)
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);
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$this->assertTrue(is_array($this->encryption->__get_params($params)));
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$params['base64'] = TRUE;
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$params['hmac_digest'] = 'sha512';
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// Including all parameters
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$params = array(
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'cipher' => 'aes-128',
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'mode' => 'cbc',
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'key' => str_repeat("\x0", 16),
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'raw_data' => TRUE,
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'hmac_key' => str_repeat("\x0", 16),
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'hmac_digest' => 'sha256'
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);
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$output = $this->encryption->__get_params($params);
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unset($output['handle'], $output['cipher'], $params['raw_data'], $params['cipher']);
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$params['base64'] = FALSE;
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$this->assertEquals($params, $output);
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// HMAC disabled
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unset($params['hmac_key'], $params['hmac_digest']);
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$params['hmac'] = $params['raw_data'] = FALSE;
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$params['cipher'] = 'aes-128';
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$output = $this->encryption->__get_params($params);
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unset($output['handle'], $output['cipher'], $params['hmac'], $params['raw_data'], $params['cipher']);
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$params['base64'] = TRUE;
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$params['hmac_digest'] = $params['hmac_key'] = NULL;
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$this->assertEquals($params, $output);
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}
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// --------------------------------------------------------------------
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/**
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* initialize(), encrypt(), decrypt() test
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*
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* Testing the three methods separately is not realistic as they are
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* designed to work together. A more thorough test for initialize()
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* though is the OpenSSL/MCrypt compatibility test.
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*
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* @depends test_hkdf
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* @depends test__get_params
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*/
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public function test_initialize_encrypt_decrypt()
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{
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$message = 'This is a plain-text message.';
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$key = "\xd0\xc9\x08\xc4\xde\x52\x12\x6e\xf8\xcc\xdb\x03\xea\xa0\x3a\x5c";
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// Default state (AES-128/Rijndael-128 in CBC mode)
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$this->encryption->initialize(array('key' => $key));
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// Was the key properly set?
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$this->assertEquals($key, $this->encryption->get_key());
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$this->assertEquals($message, $this->encryption->decrypt($this->encryption->encrypt($message)));
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// Try DES in ECB mode, just for the sake of changing stuff
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$this->encryption->initialize(array('cipher' => 'des', 'mode' => 'ecb', 'key' => substr($key, 0, 8)));
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$this->assertEquals($message, $this->encryption->decrypt($this->encryption->encrypt($message)));
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}
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// --------------------------------------------------------------------
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/**
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* encrypt(), decrypt test with custom parameters
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*
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* @depends test__get_params
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*/
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public function test_encrypt_decrypt_custom()
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{
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$message = 'Another plain-text message.';
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// A random invalid parameter
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$this->assertFalse($this->encryption->encrypt($message, array('foo')));
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$this->assertFalse($this->encryption->decrypt($message, array('foo')));
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// No HMAC, binary output
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$params = array(
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'cipher' => 'tripledes',
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'mode' => 'cfb',
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'key' => str_repeat("\x1", 16),
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'base64' => FALSE,
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'hmac' => FALSE
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);
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$ciphertext = $this->encryption->encrypt($message, $params);
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$this->assertEquals($message, $this->encryption->decrypt($ciphertext, $params));
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}
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// --------------------------------------------------------------------
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/**
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* _mcrypt_get_handle() test
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*/
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public function test__mcrypt_get_handle()
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{
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if ($this->encryption->drivers['mcrypt'] === FALSE)
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{
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return $this->markTestSkipped('Cannot test MCrypt because it is not available.');
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}
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$this->assertTrue(is_resource($this->encryption->__driver_get_handle('mcrypt', 'rijndael-128', 'cbc')));
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}
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// --------------------------------------------------------------------
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/**
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* _openssl_get_handle() test
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*/
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public function test__openssl_mcrypt_get_handle()
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{
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if ($this->encryption->drivers['openssl'] === FALSE)
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{
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return $this->markTestSkipped('Cannot test OpenSSL because it is not available.');
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}
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$this->assertEquals('aes-128-cbc', $this->encryption->__driver_get_handle('openssl', 'aes-128', 'cbc'));
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$this->assertEquals('rc4-40', $this->encryption->__driver_get_handle('openssl', 'rc4-40', 'stream'));
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}
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// --------------------------------------------------------------------
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/**
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* OpenSSL/MCrypt portability test
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*
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* Amongst the obvious stuff, _cipher_alias() is also tested here.
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*/
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public function test_portability()
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{
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if ( ! $this->encryption->drivers['mcrypt'] OR ! $this->encryption->drivers['openssl'])
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{
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$this->markTestSkipped('Both MCrypt and OpenSSL support are required for portability tests.');
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return;
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}
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$message = 'This is a message encrypted via MCrypt and decrypted via OpenSSL, or vice-versa.';
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// Format is: <Cipher name>, <Cipher mode>, <Key size>
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$portable = array(
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array('aes-128', 'cbc', 16),
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array('aes-128', 'cfb', 16),
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array('aes-128', 'cfb8', 16),
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array('aes-128', 'ofb', 16),
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array('aes-128', 'ecb', 16),
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array('aes-128', 'ctr', 16),
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array('aes-192', 'cbc', 24),
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array('aes-192', 'cfb', 24),
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array('aes-192', 'cfb8', 24),
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array('aes-192', 'ofb', 24),
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array('aes-192', 'ecb', 24),
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array('aes-192', 'ctr', 24),
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array('aes-256', 'cbc', 32),
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array('aes-256', 'cfb', 32),
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array('aes-256', 'cfb8', 32),
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array('aes-256', 'ofb', 32),
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array('aes-256', 'ecb', 32),
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array('aes-256', 'ctr', 32),
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array('des', 'cbc', 7),
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array('des', 'cfb', 7),
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array('des', 'cfb8', 7),
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array('des', 'ofb', 7),
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array('des', 'ecb', 7),
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array('tripledes', 'cbc', 7),
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array('tripledes', 'cfb', 7),
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array('tripledes', 'cfb8', 7),
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array('tripledes', 'ofb', 7),
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array('tripledes', 'cbc', 14),
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array('tripledes', 'cfb', 14),
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array('tripledes', 'cfb8', 14),
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array('tripledes', 'ofb', 14),
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array('tripledes', 'cbc', 21),
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array('tripledes', 'cfb', 21),
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array('tripledes', 'cfb8', 21),
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array('tripledes', 'ofb', 21),
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array('blowfish', 'cbc', 16),
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array('blowfish', 'cfb', 16),
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array('blowfish', 'ofb', 16),
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array('blowfish', 'ecb', 16),
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array('blowfish', 'cbc', 56),
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array('blowfish', 'cfb', 56),
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array('blowfish', 'ofb', 56),
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array('blowfish', 'ecb', 56),
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array('cast5', 'cbc', 11),
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array('cast5', 'cfb', 11),
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array('cast5', 'ofb', 11),
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array('cast5', 'ecb', 11),
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array('cast5', 'cbc', 16),
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array('cast5', 'cfb', 16),
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array('cast5', 'ofb', 16),
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array('cast5', 'ecb', 16),
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array('rc4', 'stream', 5),
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array('rc4', 'stream', 8),
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array('rc4', 'stream', 16),
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array('rc4', 'stream', 32),
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array('rc4', 'stream', 64),
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array('rc4', 'stream', 128),
|
|
array('rc4', 'stream', 256)
|
|
);
|
|
$driver_index = array('mcrypt', 'openssl');
|
|
|
|
foreach ($portable as &$test)
|
|
{
|
|
// Add some randomness to the selected driver
|
|
$driver = mt_rand(0,1);
|
|
$params = array(
|
|
'driver' => $driver_index[$driver],
|
|
'cipher' => $test[0],
|
|
'mode' => $test[1],
|
|
'key' => openssl_random_pseudo_bytes($test[2])
|
|
);
|
|
|
|
$this->encryption->initialize($params);
|
|
$ciphertext = $this->encryption->encrypt($message);
|
|
|
|
$driver = (int) ! $driver;
|
|
$params['driver'] = $driver_index[$driver];
|
|
|
|
$this->encryption->initialize($params);
|
|
$this->assertEquals($message, $this->encryption->decrypt($ciphertext));
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------------
|
|
|
|
/**
|
|
* __get() test
|
|
*/
|
|
public function test_magic_get()
|
|
{
|
|
$this->assertNull($this->encryption->foo);
|
|
$this->assertEquals(array('mcrypt', 'openssl'), array_keys($this->encryption->drivers));
|
|
|
|
// 'stream' mode is translated into an empty string for OpenSSL
|
|
$this->encryption->initialize(array('cipher' => 'rc4', 'mode' => 'stream'));
|
|
$this->assertEquals('stream', $this->encryption->mode);
|
|
}
|
|
|
|
}
|