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Tests: add twofish unit test

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terrafrost 2015-01-19 20:52:25 -06:00
parent c90010297c
commit b852e8c6cb
1 changed files with 72 additions and 0 deletions
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tests/Unit/Crypt/TwofishTest.php Normal file
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<?php
/**
* @author Andreas Fischer <bantu@phpbb.com>
* @copyright MMXIII Andreas Fischer
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
require_once 'Crypt/Twofish.php';
class Unit_Crypt_TwofishTest extends PhpseclibTestCase
{
public function testVectors()
{
$engines = array(
CRYPT_ENGINE_INTERNAL => 'internal',
CRYPT_ENGINE_MCRYPT => 'mcrypt',
CRYPT_ENGINE_OPENSSL => 'OpenSSL',
);
foreach ($engines as $engine=>$name) {
$tf = new Crypt_Twofish();
// tests from https://www.schneier.com/code/ecb_ival.txt
// key size = 128
$key = pack('H*', '00000000000000000000000000000000');
$tf->setKey($key);
if (!$bf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $name . ' engine');
}
$plaintext = pack('H*', '00000000000000000000000000000000');
$ciphertext = $tf->encrypt($plaintext);
$expected = strtolower('9F589F5CF6122C32B6BFEC2F2AE8C35A');
$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
$expected = bin2hex($plaintext);
$plaintext = bin2hex($tf->decrypt($ciphertext));
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
// key size = 192
$key = pack('H*', '0123456789ABCDEFFEDCBA98765432100011223344556677');
$tf->setKey($key);
if (!$bf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $name . ' engine');
}
$plaintext = pack('H*', '00000000000000000000000000000000');
$ciphertext = $tf->encrypt($plaintext);
$expected = strtolower('CFD1D2E5A9BE9CDF501F13B892BD2248');
$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
$expected = bin2hex($plaintext);
$plaintext = bin2hex($tf->decrypt($ciphertext));
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
// key size = 256
$key = pack('H*', '0123456789ABCDEFFEDCBA987654321000112233445566778899AABBCCDDEEFF');
$tf->setKey($key);
if (!$bf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $name . ' engine');
}
$plaintext = pack('H*', '00000000000000000000000000000000');
$ciphertext = $tf->encrypt($plaintext);
$expected = strtolower('37527BE0052334B89F0CFCCAE87CFA20');
$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
$expected = bin2hex($plaintext);
$plaintext = bin2hex($tf->decrypt($ciphertext));
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
}
}
}