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Merge branch 'continuous-buffer-1.0' into 1.0

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This commit is contained in:
terrafrost 2016-02-19 15:14:12 -06:00
commit 1e93192721
2 changed files with 24 additions and 2 deletions
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10
phpseclib/Crypt/Base.php
View File

@ -746,10 +746,13 @@ class Crypt_Base
return !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result;
case CRYPT_MODE_CBC:
$result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->encryptIV);
if (!defined('OPENSSL_RAW_DATA')) {
$result = substr($result, 0, -$this->block_size);
}
if ($this->continuousBuffer) {
$this->encryptIV = substr($result, -$this->block_size);
}
return !defined('OPENSSL_RAW_DATA') ? substr($result, 0, -$this->block_size) : $result;
return $result;
case CRYPT_MODE_CTR:
return $this->_openssl_ctr_process($plaintext, $this->encryptIV, $this->enbuffer);
case CRYPT_MODE_CFB:
@ -1052,10 +1055,13 @@ class Crypt_Base
if (!defined('OPENSSL_RAW_DATA')) {
$padding = str_repeat(chr($this->block_size), $this->block_size) ^ substr($ciphertext, -$this->block_size);
$ciphertext.= substr(openssl_encrypt($padding, $this->cipher_name_openssl_ecb, $this->key, true), 0, $this->block_size);
$offset = 2 * $this->block_size;
} else {
$offset = $this->block_size;
}
$plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, $this->openssl_options, $this->decryptIV);
if ($this->continuousBuffer) {
$this->decryptIV = substr($ciphertext, -$this->block_size);
$this->decryptIV = substr($ciphertext, -$offset, $this->block_size);
}
break;
case CRYPT_MODE_CTR:

16
tests/Unit/Crypt/AES/TestCase.php
View File

@ -369,4 +369,20 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
$this->assertSame($ciphertext, 'fd4250c0d234aa7e1aa592820aa8406b');
$this->assertSame($aes->getKeyLength(), 256);
}
/**
* @group github938
*/
public function testContinuousBuffer()
{
$aes = new Crypt_AES();
$aes->disablePadding();
$aes->enableContinuousBuffer();
$aes->setIV(pack('H*', '0457bdb4a6712986688349a29eb82535'));
$aes->setKey(pack('H*', '00d596e2c8189b2592fac358e7396ad2'));
$aes->decrypt(pack('H*', '9aa234ea7c750a8109a0f32d768b964e'));
$plaintext = $aes->decrypt(pack('H*', '0457bdb4a6712986688349a29eb82535'));
$expected = pack('H*', '6572617574689e1be8d2d8d43c594cf3');
$this->assertSame($plaintext, $expected);
}
}