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https://github.com/danog/phpseclib.git
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110 lines
3.2 KiB
PHP
110 lines
3.2 KiB
PHP
<?php
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/**
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* @author Andreas Fischer <bantu@phpbb.com>
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* @copyright MMXIII Andreas Fischer
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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*/
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require_once 'Crypt/AES.php';
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abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
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{
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protected static $engine;
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static public function setUpBeforeClass()
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{
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parent::setUpBeforeClass();
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}
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/**
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* Produces all combinations of test values.
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*
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* @return array
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*/
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public function continuousBufferCombos()
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{
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$modes = array(
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'CRYPT_AES_MODE_CTR',
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'CRYPT_AES_MODE_OFB',
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'CRYPT_AES_MODE_CFB',
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);
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$plaintexts = array(
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'',
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'12345678901234567', // https://github.com/phpseclib/phpseclib/issues/39
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"\xDE\xAD\xBE\xAF",
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':-):-):-):-):-):-)', // https://github.com/phpseclib/phpseclib/pull/43
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);
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$ivs = array(
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'',
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'test123',
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);
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$keys = array(
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'',
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':-8', // https://github.com/phpseclib/phpseclib/pull/43
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'FOOBARZ',
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);
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$result = array();
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// @codingStandardsIgnoreStart
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foreach ($modes as $mode)
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foreach ($plaintexts as $plaintext)
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foreach ($ivs as $iv)
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foreach ($keys as $key)
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$result[] = array($mode, $plaintext, $iv, $key);
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// @codingStandardsIgnoreEnd
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return $result;
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}
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/**
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* @dataProvider continuousBufferCombos
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*/
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public function testEncryptDecryptWithContinuousBuffer($mode, $plaintext, $iv, $key)
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{
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$aes = new Crypt_AES(constant($mode));
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$aes->setEngine(self::$engine);
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$aes->enableContinuousBuffer();
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$aes->setIV($iv);
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$aes->setKey($key);
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$actual = '';
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for ($i = 0, $strlen = strlen($plaintext); $i < $strlen; ++$i) {
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$actual .= $aes->decrypt($aes->encrypt($plaintext[$i]));
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}
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$this->assertEquals($plaintext, $actual);
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}
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/**
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* @group github451
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*/
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public function testKeyPaddingRijndael()
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{
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// this test case is from the following URL:
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// https://web.archive.org/web/20070209120224/http://fp.gladman.plus.com/cryptography_technology/rijndael/aesdvec.zip
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$aes = new Crypt_Rijndael();
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$aes->setEngine(self::$engine);
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$aes->disablePadding();
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$aes->setKey(pack('H*', '2b7e151628aed2a6abf7158809cf4f3c762e7160')); // 160-bit key. Valid in Rijndael.
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$ciphertext = $aes->encrypt(pack('H*', '3243f6a8885a308d313198a2e0370734'));
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$this->assertEquals($ciphertext, pack('H*', '231d844639b31b412211cfe93712b880'));
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}
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/**
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* @group github451
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*/
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public function testKeyPaddingAES()
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{
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// same as the above - just with a different ciphertext
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$aes = new Crypt_AES();
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$aes->setEngine(self::$engine);
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$aes->disablePadding();
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$aes->setKey(pack('H*', '2b7e151628aed2a6abf7158809cf4f3c762e7160')); // 160-bit key. AES should null pad to 192-bits
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$ciphertext = $aes->encrypt(pack('H*', '3243f6a8885a308d313198a2e0370734'));
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$this->assertEquals($ciphertext, pack('H*', 'c109292b173f841b88e0ee49f13db8c0'));
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}
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}
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