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[issue/39] Extend tests to cover other modes. Also IVs, keys, etc.

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This commit is contained in:
Andreas Fischer 2013-01-04 14:08:41 +01:00
parent f15bc38520
commit 6e597bfe25
1 changed files with 53 additions and 8 deletions
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61
tests/Crypt/AES/ContinuousBufferTest.php
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@ -7,20 +7,65 @@
class Crypt_AES_ContinuousBufferTest extends Crypt_AES_TestCase
{
// https://github.com/phpseclib/phpseclib/issues/39
public function testGithubIssue39EncryptDecrypt()
// String intented
protected $modes = array(
'CRYPT_AES_MODE_CTR',
'CRYPT_AES_MODE_OFB',
'CRYPT_AES_MODE_CFB',
);
protected $plaintexts = array(
'',
'12345678901234567', // https://github.com/phpseclib/phpseclib/issues/39
"\xDE\xAD\xBE\xAF",
':-):-):-):-):-):-)', // https://github.com/phpseclib/phpseclib/pull/43
);
protected $ivs = array(
'',
'test123',
);
protected $keys = array(
'',
':-8', // https://github.com/phpseclib/phpseclib/pull/43
'FOOBARZ',
);
/**
* Produces all combinations of test values.
*
* @return array
*/
public function allCombinations()
{
$aes = new Crypt_AES(CRYPT_AES_MODE_CFB);
$result = array();
foreach ($this->modes as $mode)
foreach ($this->plaintexts as $plaintext)
foreach ($this->ivs as $iv)
foreach ($this->keys as $key)
$result[] = array($mode, $plaintext, $iv, $key);
return $result;
}
/**
* @dataProvider allCombinations
*/
public function testEncryptDecrypt($mode, $plaintext, $iv, $key)
{
$aes = new Crypt_AES(constant($mode));
$aes->enableContinuousBuffer();
$aes->setIV($iv);
$aes->setKey($key);
$expected = '12345678901234567';
$actual = '';
for ($i = 0, $strlen = strlen($expected); $i < $strlen; ++$i)
for ($i = 0, $strlen = strlen($plaintext); $i < $strlen; ++$i)
{
$actual .= $aes->decrypt($aes->encrypt($expected[$i]));
$actual .= $aes->decrypt($aes->encrypt($plaintext[$i]));
}
$this->assertEquals($expected, $actual);
$this->assertEquals($plaintext, $actual);
}
}