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https://github.com/danog/tgseclib.git
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d34a911402
Also add a new engine - ENGINE_EVAL. Previously ENGINE_INTERNAL had three different modes - a "hi-optimized" version, a "lo-optimized" version and a version that didn't depend on create_function and there wasn't a way to really isolate these modes and test them individually.
77 lines
3.4 KiB
PHP
77 lines
3.4 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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use phpseclib\Crypt\Common\BlockCipher;
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use phpseclib\Crypt\Twofish;
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class Unit_Crypt_TwofishTest extends PhpseclibTestCase
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{
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public function testVectors()
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{
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$engines = array(
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BlockCipher::ENGINE_INTERNAL => 'internal',
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BlockCipher::ENGINE_EVAL => 'eval',
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BlockCipher::ENGINE_MCRYPT => 'mcrypt',
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BlockCipher::ENGINE_OPENSSL => 'OpenSSL',
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);
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foreach ($engines as $engine => $name) {
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$tf = new Twofish(Twofish::MODE_CBC);
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$tf->setIV(str_repeat("\0", $tf->getBlockLength() >> 3));
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$tf->disablePadding();
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// tests from https://www.schneier.com/code/ecb_ival.txt
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// key size = 128
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$key = pack('H*', '00000000000000000000000000000000');
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$tf->setKey($key);
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if (!$tf->isValidEngine($engine)) {
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self::markTestSkipped('Unable to initialize ' . $name . ' engine');
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}
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$plaintext = pack('H*', '00000000000000000000000000000000');
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$ciphertext = $tf->encrypt($plaintext);
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$expected = strtolower('9F589F5CF6122C32B6BFEC2F2AE8C35A');
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$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
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$expected = bin2hex($plaintext);
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$plaintext = bin2hex($tf->decrypt($ciphertext));
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$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
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// key size = 192
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$key = pack('H*', '0123456789ABCDEFFEDCBA98765432100011223344556677');
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$tf->setKey($key);
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if (!$tf->isValidEngine($engine)) {
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self::markTestSkipped('Unable to initialize ' . $name . ' engine');
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}
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$plaintext = pack('H*', '00000000000000000000000000000000');
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$ciphertext = $tf->encrypt($plaintext);
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$expected = strtolower('CFD1D2E5A9BE9CDF501F13B892BD2248');
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$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
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$expected = bin2hex($plaintext);
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$plaintext = bin2hex($tf->decrypt($ciphertext));
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$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
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// key size = 256
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$key = pack('H*', '0123456789ABCDEFFEDCBA987654321000112233445566778899AABBCCDDEEFF');
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$tf->setKey($key);
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if (!$tf->isValidEngine($engine)) {
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self::markTestSkipped('Unable to initialize ' . $name . ' engine');
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}
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$plaintext = pack('H*', '00000000000000000000000000000000');
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$ciphertext = $tf->encrypt($plaintext);
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$expected = strtolower('37527BE0052334B89F0CFCCAE87CFA20');
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$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
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$expected = bin2hex($plaintext);
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$plaintext = bin2hex($tf->decrypt($ciphertext));
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$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
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}
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}
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}
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