mirror of
https://github.com/phpseclib/phpseclib.git
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f6e0c4b506
aside from the addition of OpenSSL support a few other changes have been included: - setEngine(), as added by petrich, is depricated (not that it was ever in trunk to begin with) it has been replaced with isValidEngine() and setPreferredEngine(). - replace _generate_xor() with increment_str() _increment_str() had extra functionality that wasn't being used. ie. it could concatenate multiple successive string increments to one another automatically. but not only was that functionality not used - it also made the function less versatile. _increment_str() can be used more easily for iterative brute forcing (for example) - rename Crypt_Base::_stringShift to Crypt_Base::_string_shift (for consistency) - more expansive unit test coverage
69 lines
2.8 KiB
PHP
69 lines
2.8 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/DES.php';
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// the AES tests establish the correctness of the modes of operation. this test is inteded to establish the consistency of
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// key and iv padding between the multiple engines
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class Unit_Crypt_DES_TestCase extends PhpseclibTestCase
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{
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public function testEncryptPadding()
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{
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$des = new Crypt_DES(CRYPT_MODE_CBC);
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$des->setKey('d');
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$des->setIV('d');
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$des->setPreferredEngine(CRYPT_MODE_INTERNAL);
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$internal = $des->encrypt('d');
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$des->setPreferredEngine(CRYPT_MODE_MCRYPT);
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if ($des->getEngine() == CRYPT_MODE_MCRYPT) {
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$mcrypt = $des->encrypt('d');
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$this->assertEquals($internal, $mcrypt, 'Failed asserting that the internal and mcrypt engines produce identical results');
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} else {
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self::markTestSkipped('Unable to initialize mcrypt engine');
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}
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$des->setPreferredEngine(CRYPT_MODE_OPENSSL);
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if ($des->getEngine() == CRYPT_MODE_OPENSSL) {
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$openssl = $des->encrypt('d');
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$this->assertEquals($internal, $openssl, 'Failed asserting that the internal and OpenSSL engines produce identical results');
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} else {
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self::markTestSkipped('Unable to initialize OpenSSL engine');
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}
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}
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// phpseclib null pads ciphertext's if they're not long enough and you're in ecb / cbc mode. this silent failure mode is consistent
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// with mcrypt's behavior. maybe throwing an exception would be better but whatever. this test is more intended to establish consistent
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// behavior between the various engine's
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public function testDecryptPadding()
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{
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$des = new Crypt_DES(CRYPT_MODE_CBC);
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// when the key and iv are not specified they should be null padded
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//$des->setKey();
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//$des->setIV();
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$des->setPreferredEngine(CRYPT_MODE_INTERNAL);
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$internal = $des->decrypt('d');
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$des->setPreferredEngine(CRYPT_MODE_MCRYPT);
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if ($des->getEngine() == CRYPT_MODE_MCRYPT) {
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$mcrypt = $des->decrypt('d');
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$this->assertEquals($internal, $mcrypt, 'Failed asserting that the internal and mcrypt engines produce identical results');
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} else {
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self::markTestSkipped('Unable to initialize mcrypt engine');
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}
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$des->setPreferredEngine(CRYPT_MODE_OPENSSL);
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if ($des->getEngine() == CRYPT_MODE_OPENSSL) {
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$openssl = $des->decrypt('d');
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$this->assertEquals($internal, $openssl, 'Failed asserting that the internal and OpenSSL engines produce identical results');
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} else {
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self::markTestSkipped('Unable to initialize OpenSSL engine');
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}
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}
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} |