81 lines
3.3 KiB
PHP
81 lines
3.3 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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declare(strict_types=1);
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namespace phpseclib3\Tests\Unit\Crypt;
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use phpseclib3\Crypt\Twofish;
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use phpseclib3\Tests\PhpseclibTestCase;
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class TwofishTest extends PhpseclibTestCase
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{
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public function testVectors(): void
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{
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$engines = [
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'PHP',
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'Eval',
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'OpenSSL',
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];
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foreach ($engines as $engine) {
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$tf = new Twofish('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 $engine engine");
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}
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$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 $engine engine");
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$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 $engine engine");
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// key size = 192
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$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 $engine engine");
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}
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$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 $engine engine");
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$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 $engine engine");
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// key size = 256
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$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 $engine engine");
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}
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$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 $engine engine");
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$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 $engine engine");
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}
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}
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}
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