mirror of
https://github.com/phpseclib/phpseclib.git
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79 lines
3.2 KiB
PHP
79 lines
3.2 KiB
PHP
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<?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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use phpseclib\Crypt\Base;
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use phpseclib\Crypt\DES;
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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_DESTest extends PhpseclibTestCase
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{
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public function testEncryptPadding()
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{
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$des = new DES(Base::MODE_CBC);
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$des->setKey('d');
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$des->setIV('d');
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$des->setPreferredEngine(Base::ENGINE_INTERNAL);
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$result = pack('H*', '3e7613642049af1e');
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$internal = $des->encrypt('d');
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$this->assertEquals($result, $internal, 'Failed asserting that the internal engine produced the correct result');
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$des->setPreferredEngine(Base::ENGINE_MCRYPT);
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if ($des->getEngine() == Base::ENGINE_MCRYPT) {
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$mcrypt = $des->encrypt('d');
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$this->assertEquals($result, $mcrypt, 'Failed asserting that the mcrypt engine produced the correct result');
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} else {
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self::markTestSkipped('Unable to initialize mcrypt engine');
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}
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$des->setPreferredEngine(Base::ENGINE_OPENSSL);
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if ($des->getEngine() == Base::ENGINE_OPENSSL) {
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$openssl = $des->encrypt('d');
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$this->assertEquals($result, $openssl, 'Failed asserting that the OpenSSL engine produced the correct result');
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} else {
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self::markTestSkipped('Unable to initialize OpenSSL engine');
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}
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}
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// phpseclib null pads ciphertext's if they're not long enough and you're in ecb / cbc mode. this silent failure mode is consistent
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// with mcrypt's behavior. maybe throwing an exception would be better but whatever. this test is more intended to establish consistent
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// behavior between the various engine's
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public function testDecryptPadding()
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{
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$des = new DES(Base::MODE_CBC);
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$des->disablePadding();
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// when the key and iv are not specified they should be null padded
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//$des->setKey();
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//$des->setIV();
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$des->setPreferredEngine(Base::ENGINE_INTERNAL);
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$internal = $des->decrypt('d');
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$result = pack('H*', '79b305d1ce555221');
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$this->assertEquals($result, $internal, 'Failed asserting that the internal engine produced the correct result');
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$des->setPreferredEngine(Base::ENGINE_MCRYPT);
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if ($des->getEngine() == Base::ENGINE_MCRYPT) {
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$mcrypt = $des->decrypt('d');
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$this->assertEquals($result, $mcrypt, 'Failed asserting that the mcrypt engine produced the correct result');
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} else {
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self::markTestSkipped('Unable to initialize mcrypt engine');
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}
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$des->setPreferredEngine(Base::ENGINE_OPENSSL);
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if ($des->getEngine() == Base::ENGINE_OPENSSL) {
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$openssl = $des->decrypt('d');
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$this->assertEquals($result, $openssl, 'Failed asserting that the OpenSSL engine produced the correct result');
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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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}
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