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SymmetricKey: use strings for constructor and setPreferredEngine

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This commit is contained in:
terrafrost 2017-06-27 22:34:36 -05:00
parent 819a165246
commit 4171262b9e
19 changed files with 209 additions and 190 deletions
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8
phpseclib/Crypt/Common/Keys/PKCS1.php
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@ -17,10 +17,8 @@ namespace phpseclib\Crypt\Common\Keys;
use ParagonIE\ConstantTime\Base64;
use ParagonIE\ConstantTime\Hex;
use phpseclib\Crypt\Common\BlockCipher;
use phpseclib\Crypt\Random;
use phpseclib\Crypt\AES;
use phpseclib\Crypt\Base;
use phpseclib\Crypt\DES;
use phpseclib\Crypt\TripleDES;
use phpseclib\File\ASN1;
@ -65,15 +63,11 @@ abstract class PKCS1 extends PKCS
{
switch ($mode) {
case 'CBC':
return BlockCipher::MODE_CBC;
case 'ECB':
return BlockCipher::MODE_ECB;
case 'CFB':
return BlockCipher::MODE_CFB;
case 'OFB':
return BlockCipher::MODE_OFB;
case 'CTR':
return BlockCipher::MODE_CTR;
return $mode;
}
throw new \UnexpectedValueException('Unsupported block cipher mode of operation');
}

21
phpseclib/Crypt/Common/Keys/PKCS8.php
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@ -33,7 +33,6 @@ use phpseclib\Crypt\RC2;
use phpseclib\Crypt\RC4;
use phpseclib\Crypt\AES;
use phpseclib\Crypt\TripleDES;
use phpseclib\Crypt\Common\BlockCipher;
use phpseclib\Crypt\Random;
use phpseclib\Math\BigInteger;
use phpseclib\File\ASN1;
@ -151,24 +150,24 @@ abstract class PKCS8 extends PKCS
switch ($algo) {
case 'DES':
$cipher = new DES(BlockCipher::MODE_CBC);
$cipher = new DES('cbc');
break;
case 'RC2':
$cipher = new RC2(BlockCipher::MODE_CBC);
$cipher = new RC2('cbc');
break;
case '3-KeyTripleDES':
$cipher = new TripleDES(BlockCipher::MODE_CBC);
$cipher = new TripleDES('cbc');
break;
case '2-KeyTripleDES':
$cipher = new TripleDES(BlockCipher::MODE_CBC);
$cipher = new TripleDES('cbc');
$cipher->setKeyLength(128);
break;
case '128BitRC2':
$cipher = new RC2(BlockCipher::MODE_CBC);
$cipher = new RC2('cbc');
$cipher->setKeyLength(128);
break;
case '40BitRC2':
$cipher = new RC2(BlockCipher::MODE_CBC);
$cipher = new RC2('cbc');
$cipher->setKeyLength(40);
break;
case '128BitRC4':
@ -232,13 +231,13 @@ abstract class PKCS8 extends PKCS
{
switch ($algo) {
case 'desCBC':
$cipher = new TripleDES(BlockCipher::MODE_CBC);
$cipher = new TripleDES('cbc');
break;
case 'des-EDE3-CBC':
$cipher = new TripleDES(BlockCipher::MODE_CBC);
$cipher = new TripleDES('cbc');
break;
case 'rc2CBC':
$cipher = new RC2(BlockCipher::MODE_CBC);
$cipher = new RC2('cbc');
// in theory this can be changed
$cipher->setKeyLength(128);
break;
@ -247,7 +246,7 @@ abstract class PKCS8 extends PKCS
case 'aes128-CBC-PAD':
case 'aes192-CBC-PAD':
case 'aes256-CBC-PAD':
$cipher = new AES(BlockCipher::MODE_CBC);
$cipher = new AES('cbc');
$cipher->setKeyLength(substr($algo, 3, 3));
break;
default:

4
phpseclib/Crypt/Common/Keys/PuTTY.php
View File

@ -131,7 +131,7 @@ abstract class PuTTY
switch ($encryption) {
case 'aes256-cbc':
$symkey = self::generateSymmetricKey($password, 32);
$crypto = new AES(AES::MODE_CBC);
$crypto = new AES('cbc');
}
$hashkey = 'putty-private-key-file-mac-key';
@ -190,7 +190,7 @@ abstract class PuTTY
} else {
$private.= Random::string(16 - (strlen($private) & 15));
$source.= Strings::packSSH2('s', $private);
$crypto = new AES(AES::MODE_CBC);
$crypto = new AES('cbc');
$crypto->setKey(self::generateSymmetricKey($password, 32));
$crypto->setIV(str_repeat("\0", $crypto->getBlockLength() >> 3));

73
phpseclib/Crypt/Common/SymmetricKey.php
View File

@ -92,6 +92,21 @@ abstract class SymmetricKey
const MODE_STREAM = 5;
/**#@-*/
/**
* Mode Map
*
* @access private
* @see \phpseclib\Crypt\Common\SymmetricKey::__construct()
*/
const MODE_MAP = [
'ctr' => self::MODE_CTR,
'ecb' => self::MODE_ECB,
'cbc' => self::MODE_CBC,
'cfb' => self::MODE_CFB,
'ofb' => self::MODE_OFB,
'stream' => self::MODE_STREAM
];
/**#@+
* @access private
* @see \phpseclib\Crypt\Common\SymmetricKey::__construct()
@ -114,6 +129,19 @@ abstract class SymmetricKey
const ENGINE_OPENSSL = 4;
/**#@-*/
/**
* Engine Reverse Map
*
* @access private
* @see \phpseclib\Crypt\Common\SymmetricKey::getEngine()
*/
const ENGINE_MAP = [
self::ENGINE_INTERNAL => 'PHP',
self::ENGINE_EVAL => 'Eval',
self::ENGINE_MCRYPT => 'mcrypt',
self::ENGINE_OPENSSL => 'OpenSSL'
];
/**
* The Encryption Mode
*
@ -319,6 +347,7 @@ abstract class SymmetricKey
* Currently available $engines are:
* - self::ENGINE_OPENSSL (very fast, php-extension: openssl, extension_loaded('openssl') required)
* - self::ENGINE_MCRYPT (fast, php-extension: mcrypt, extension_loaded('mcrypt') required)
* - self::ENGINE_EVAL (medium, pure php-engine, no php-extension required)
* - self::ENGINE_INTERNAL (slower, pure php-engine, no php-extension required)
*
* @see self::setEngine()
@ -442,15 +471,15 @@ abstract class SymmetricKey
*
* $mode could be:
*
* - self::MODE_ECB
* - ecb
*
* - self::MODE_CBC
* - cbc
*
* - self::MODE_CTR
* - ctr
*
* - self::MODE_CFB
* - cfb
*
* - self::MODE_OFB
* - ofb
*
* @param int $mode
* @access public
@ -458,6 +487,15 @@ abstract class SymmetricKey
*/
public function __construct($mode)
{
$mode = strtolower($mode);
// necessary because of 5.6 compatability; we can't do isset(self::MODE_MAP[$mode]) in 5.6
$map = self::MODE_MAP;
if (!isset($map[$mode])) {
throw new \InvalidArgumentException('No valid mode has been specified');
}
$mode = self::MODE_MAP[$mode];
// $mode dependent settings
switch ($mode) {
case self::MODE_ECB:
@ -1723,13 +1761,13 @@ abstract class SymmetricKey
*
* Currently, $engine could be:
*
* - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_OPENSSL [very fast]
* - OpenSSL [very fast]
*
* - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_MCRYPT [fast]
* - mcrypt [fast]
*
* - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_EVAL [slow]
* - Eval [slow]
*
* - \phpseclib\Crypt\Common\SymmetricKey::ENGINE_INTERNAL [slowest]
* - PHP [slowest]
*
* If the preferred crypt engine is not available the fastest available one will be used
*
@ -1739,16 +1777,13 @@ abstract class SymmetricKey
*/
public function setPreferredEngine($engine)
{
switch ($engine) {
//case self::ENGINE_OPENSSL;
case self::ENGINE_MCRYPT:
case self::ENGINE_INTERNAL:
case self::ENGINE_EVAL:
$this->preferredEngine = $engine;
break;
default:
$this->preferredEngine = self::ENGINE_OPENSSL;
static $reverseMap;
if (!isset($reverseMap)) {
$reverseMap = array_map('strtolower', self::ENGINE_MAP);
$reverseMap = array_flip($reverseMap);
}
$engine = strtolower($engine);
$this->preferredEngine = isset($reverseMap[$engine]) ? $reverseMap[$engine] : self::ENGINE_OPENSSL;
$this->setEngine();
}
@ -1761,7 +1796,7 @@ abstract class SymmetricKey
*/
public function getEngine()
{
return $this->engine;
return self::ENGINE_MAP[$this->engine];
}
/**

2
phpseclib/Crypt/RC4.php
View File

@ -129,7 +129,7 @@ class RC4 extends StreamCipher
*/
public function __construct()
{
parent::__construct(self::MODE_STREAM);
parent::__construct('stream');
}
/**

12
phpseclib/Crypt/Random.php
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@ -24,8 +24,6 @@
namespace phpseclib\Crypt;
use phpseclib\Crypt\Common\BlockCipher;
/**
* Pure-PHP Random Number Generator
*
@ -141,19 +139,19 @@ abstract class Random
// http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives
switch (true) {
case class_exists('\phpseclib\Crypt\AES'):
$crypto = new AES(BlockCipher::MODE_CTR);
$crypto = new AES('ctr');
break;
case class_exists('\phpseclib\Crypt\Twofish'):
$crypto = new Twofish(BlockCipher::MODE_CTR);
$crypto = new Twofish('ctr');
break;
case class_exists('\phpseclib\Crypt\Blowfish'):
$crypto = new Blowfish(BlockCipher::MODE_CTR);
$crypto = new Blowfish('ctr');
break;
case class_exists('\phpseclib\Crypt\TripleDES'):
$crypto = new TripleDES(BlockCipher::MODE_CTR);
$crypto = new TripleDES('ctr');
break;
case class_exists('\phpseclib\Crypt\DES'):
$crypto = new DES(BlockCipher::MODE_CTR);
$crypto = new DES('ctr');
break;
case class_exists('\phpseclib\Crypt\RC4'):
$crypto = new RC4();

29
phpseclib/Crypt/TripleDES.php
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@ -122,17 +122,19 @@ class TripleDES extends DES
*
* $mode could be:
*
* - \phpseclib\Crypt\Common\BlockCipher::MODE_ECB
* - ecb
*
* - \phpseclib\Crypt\Common\BlockCipher::MODE_CBC
* - cbc
*
* - \phpseclib\Crypt\Common\BlockCipher::MODE_CTR
* - ctr
*
* - \phpseclib\Crypt\Common\BlockCipher::MODE_CFB
* - cfb
*
* - \phpseclib\Crypt\Common\BlockCipher::MODE_OFB
* - ofb
*
* - \phpseclib\Crypt\TripleDES::MODE_3CB
* - 3cbc
*
* - cbc3 (same as cbc)
*
* @see \phpseclib\Crypt\DES::__construct()
* @see \phpseclib\Crypt\Common\SymmetricKey::__construct()
@ -141,18 +143,19 @@ class TripleDES extends DES
*/
public function __construct($mode)
{
switch ($mode) {
switch (strtolower($mode)) {
// In case of self::MODE_3CBC, we init as CRYPT_DES_MODE_CBC
// and additional flag us internally as 3CBC
case self::MODE_3CBC:
parent::__construct(self::MODE_CBC);
case '3cbc':
$mode = self::MODE_3CBC;
parent::__construct('cbc');
$this->mode_3cbc = true;
// This three $des'es will do the 3CBC work (if $key > 64bits)
$this->des = [
new DES(self::MODE_CBC),
new DES(self::MODE_CBC),
new DES(self::MODE_CBC),
new DES('cbc'),
new DES('cbc'),
new DES('cbc'),
];
// we're going to be doing the padding, ourselves, so disable it in the \phpseclib\Crypt\DES objects
@ -160,6 +163,8 @@ class TripleDES extends DES
$this->des[1]->disablePadding();
$this->des[2]->disablePadding();
break;
case 'cbc3':
$mode = 'cbc';
// If not 3CBC, we init as usual
default:
parent::__construct($mode);

4
phpseclib/Net/SSH1.php
View File

@ -681,7 +681,7 @@ class SSH1
// $this->crypto = new \phpseclib\Crypt\Null();
// break;
case self::CIPHER_DES:
$this->crypto = new DES(DES::MODE_CBC);
$this->crypto = new DES('cbc');
$this->crypto->disablePadding();
$this->crypto->enableContinuousBuffer();
$this->crypto->setKey(substr($session_key, 0, 8));
@ -689,7 +689,7 @@ class SSH1
$this->crypto->setIV(str_repeat("\0", 8));
break;
case self::CIPHER_3DES:
$this->crypto = new TripleDES(TripleDES::MODE_3CBC);
$this->crypto = new TripleDES('3cbc');
$this->crypto->disablePadding();
$this->crypto->enableContinuousBuffer();
$this->crypto->setKey(substr($session_key, 0, 24));

23
phpseclib/Net/SSH2.php
View File

@ -50,7 +50,6 @@
namespace phpseclib\Net;
use ParagonIE\ConstantTime\Base64;
use phpseclib\Crypt\Common\BlockCipher;
use phpseclib\Crypt\Blowfish;
use phpseclib\Crypt\Hash;
use phpseclib\Crypt\Random;
@ -993,7 +992,7 @@ class SSH2
* Set Crypto Engine Mode
*
* Possible $engine values:
* CRYPT_MODE_INTERNAL, CRYPT_MODE_MCRYPT
* OpenSSL, mcrypt, Eval, PHP
*
* @param int $engine
* @access private
@ -1698,7 +1697,7 @@ class SSH2
$this->encrypt = $this->encryption_algorithm_to_crypt_instance($encrypt);
if ($this->encrypt) {
if ($this->crypto_engine) {
$this->encrypt->setEngine($this->crypto_engine);
$this->encrypt->setPreferredEngine($this->crypto_engine);
}
if ($this->encrypt->getBlockLengthInBytes()) {
$this->encrypt_block_size = $this->encrypt->getBlockLengthInBytes();
@ -1724,7 +1723,7 @@ class SSH2
$this->decrypt = $this->encryption_algorithm_to_crypt_instance($decrypt);
if ($this->decrypt) {
if ($this->crypto_engine) {
$this->decrypt->setEngine($this->crypto_engine);
$this->decrypt->setPreferredEngine($this->crypto_engine);
}
if ($this->decrypt->getBlockLengthInBytes()) {
$this->decrypt_block_size = $this->decrypt->getBlockLengthInBytes();
@ -1905,30 +1904,30 @@ class SSH2
{
switch ($algorithm) {
case '3des-cbc':
return new TripleDES(BlockCipher::MODE_CBC);
return new TripleDES('cbc');
case '3des-ctr':
return new TripleDES(BlockCipher::MODE_CTR);
return new TripleDES('ctr');
case 'aes256-cbc':
case 'aes192-cbc':
case 'aes128-cbc':
return new Rijndael(BlockCipher::MODE_CBC);
return new Rijndael('cbc');
case 'aes256-ctr':
case 'aes192-ctr':
case 'aes128-ctr':
return new Rijndael(BlockCipher::MODE_CTR);
return new Rijndael('ctr');
case 'blowfish-cbc':
return new Blowfish(BlockCipher::MODE_CBC);
return new Blowfish('cbc');
case 'blowfish-ctr':
return new Blowfish(BlockCipher::MODE_CTR);
return new Blowfish('ctr');
case 'twofish128-cbc':
case 'twofish192-cbc':
case 'twofish256-cbc':
case 'twofish-cbc':
return new Twofish(BlockCipher::MODE_CBC);
return new Twofish('cbc');
case 'twofish128-ctr':
case 'twofish192-ctr':
case 'twofish256-ctr':
return new Twofish(BlockCipher::MODE_CTR);
return new Twofish('ctr');
case 'arcfour':
case 'arcfour128':
case 'arcfour256':

2
tests/Unit/Crypt/AES/EvalTest.php
View File

@ -11,6 +11,6 @@ class Unit_Crypt_AES_EvalTest extends Unit_Crypt_AES_TestCase
{
protected function setUp()
{
$this->engine = BlockCipher::ENGINE_EVAL;
$this->engine = 'Eval';
}
}

2
tests/Unit/Crypt/AES/InternalTest.php
View File

@ -11,6 +11,6 @@ class Unit_Crypt_AES_InternalTest extends Unit_Crypt_AES_TestCase
{
protected function setUp()
{
$this->engine = BlockCipher::ENGINE_INTERNAL;
$this->engine = 'PHP';
}
}

2
tests/Unit/Crypt/AES/McryptTest.php
View File

@ -11,6 +11,6 @@ class Unit_Crypt_AES_McryptTest extends Unit_Crypt_AES_TestCase
{
protected function setUp()
{
$this->engine = BlockCipher::ENGINE_MCRYPT;
$this->engine = 'mcrypt';
}
}

2
tests/Unit/Crypt/AES/OpenSSLTest.php
View File

@ -11,6 +11,6 @@ class Unit_Crypt_AES_OpenSSLTest extends Unit_Crypt_AES_TestCase
{
protected function setUp()
{
$this->engine = BlockCipher::ENGINE_OPENSSL;
$this->engine = 'OpenSSL';
}
}

42
tests/Unit/Crypt/AES/TestCase.php
View File

@ -16,15 +16,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
private function _checkEngine($aes)
{
if ($aes->getEngine() != $this->engine) {
$engine = 'internal';
switch ($this->engine) {
case BlockCipher::ENGINE_OPENSSL:
$engine = 'OpenSSL';
break;
case BlockCipher::ENGINE_MCRYPT:
$engine = 'mcrypt';
}
self::markTestSkipped('Unable to initialize ' . $engine . ' engine');
self::markTestSkipped('Unable to initialize ' . $this->engine . ' engine');
}
}
@ -36,9 +28,9 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
public function continuousBufferCombos()
{
$modes = array(
BlockCipher::MODE_CTR,
BlockCipher::MODE_OFB,
BlockCipher::MODE_CFB,
'ctr',
'ofb',
'cfb',
);
$plaintexts = array(
'',
@ -100,7 +92,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
// this test case is from the following URL:
// https://web.archive.org/web/20070209120224/http://fp.gladman.plus.com/cryptography_technology/rijndael/aesdvec.zip
$aes = new Rijndael(BlockCipher::MODE_CBC);
$aes = new Rijndael('cbc');
$aes->setPreferredEngine($this->engine);
$aes->disablePadding();
$aes->setKey(pack('H*', '2b7e151628aed2a6abf7158809cf4f3c762e7160')); // 160-bit key. Valid in Rijndael.
@ -118,7 +110,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
{
// same as the above - just with a different ciphertext
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$aes->setPreferredEngine($this->engine);
$aes->disablePadding();
$aes->setKey(pack('H*', '2b7e151628aed2a6abf7158809cf4f3c762e7160')); // 160-bit key. supported by Rijndael - not AES
@ -136,9 +128,9 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
public function continuousBufferBatteryCombos()
{
$modes = array(
BlockCipher::MODE_CTR,
BlockCipher::MODE_OFB,
BlockCipher::MODE_CFB,
'ctr',
'ofb',
'cfb',
);
$combos = array(
@ -267,7 +259,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
// from http://csrc.nist.gov/groups/STM/cavp/documents/aes/AESAVS.pdf#page=16
public function testGFSBox128()
{
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$aes->setKey(pack('H*', '00000000000000000000000000000000'));
$aes->setIV(pack('H*', '00000000000000000000000000000000'));
@ -294,7 +286,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
public function testGFSBox192()
{
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$aes->setKey(pack('H*', '000000000000000000000000000000000000000000000000'));
$aes->setIV(pack('H*', '00000000000000000000000000000000'));
@ -319,7 +311,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
public function testGFSBox256()
{
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$aes->setKey(pack('H*', '00000000000000000000000000000000' . '00000000000000000000000000000000'));
$aes->setIV(pack('H*', '00000000000000000000000000000000'));
@ -342,13 +334,13 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
public function testGetKeyLengthDefault()
{
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$this->assertSame($aes->getKeyLength(), 128);
}
public function testGetKeyLengthWith192BitKey()
{
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$aes->setKey(str_repeat('a', 24));
$this->assertSame($aes->getKeyLength(), 192);
}
@ -358,7 +350,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
*/
public function testSetKeyLengthWithLargerKey()
{
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$aes->setKeyLength(128);
$aes->setKey(str_repeat('a', 24));
$aes->setIV(str_repeat("\0", 16));
@ -373,7 +365,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
*/
public function testSetKeyLengthWithSmallerKey()
{
$aes = new AES(BlockCipher::MODE_CBC);
$aes = new AES('cbc');
$aes->setKeyLength(256);
$aes->setKey(str_repeat('a', 16));
$aes->setIV(str_repeat("\0", 16));
@ -388,7 +380,7 @@ abstract class Unit_Crypt_AES_TestCase extends PhpseclibTestCase
*/
public function testContinuousBuffer()
{
$aes = new AES(AES::MODE_CBC);
$aes = new AES('cbc');
$aes->disablePadding();
$aes->enableContinuousBuffer();
$aes->setIV(pack('H*', '0457bdb4a6712986688349a29eb82535'));

37
tests/Unit/Crypt/BlowfishTest.php
View File

@ -5,7 +5,6 @@
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
use phpseclib\Crypt\Common\BlockCipher;
use phpseclib\Crypt\Blowfish;
use phpseclib\Crypt\Random;
@ -14,10 +13,10 @@ class Unit_Crypt_BlowfishTest extends PhpseclibTestCase
public function engineVectors()
{
$engines = array(
BlockCipher::ENGINE_INTERNAL => 'internal',
BlockCipher::ENGINE_EVAL => 'eval',
BlockCipher::ENGINE_MCRYPT => 'mcrypt',
BlockCipher::ENGINE_OPENSSL => 'OpenSSL',
'PHP',
'Eval',
'mcrypt',
'OpenSSL',
);
// tests from https://www.schneier.com/code/vectors.txt
@ -61,9 +60,9 @@ class Unit_Crypt_BlowfishTest extends PhpseclibTestCase
$result = array();
foreach ($engines as $engine => $engineName) {
foreach ($engines as $engine) {
foreach ($tests as $test) {
$result[] = array($engine, $engineName, $test[0], $test[1], $test[2]);
$result[] = array($engine, $test[0], $test[1], $test[2]);
}
}
@ -73,39 +72,39 @@ class Unit_Crypt_BlowfishTest extends PhpseclibTestCase
/**
* @dataProvider engineVectors
*/
public function testVectors($engine, $engineName, $key, $plaintext, $expected)
public function testVectors($engine, $key, $plaintext, $expected)
{
$bf = new Blowfish(Blowfish::MODE_CBC);
$bf = new Blowfish('cbc');
$bf->setKey($key);
$bf->setIV(str_repeat("\0", $bf->getBlockLength() >> 3));
if (!$bf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
self::markTestSkipped("Unable to initialize $engine engine");
}
$bf->setPreferredEngine($engine);
$bf->disablePadding();
$result = $bf->encrypt($plaintext);
$plaintext = bin2hex($plaintext);
$this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engineName engine");
$this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
}
public function testKeySizes()
{
$objects = $engines = array();
$temp = new Blowfish(Blowfish::MODE_CTR);
$temp->setPreferredEngine(Blowfish::ENGINE_INTERNAL);
$temp = new Blowfish('ctr');
$temp->setPreferredEngine('PHP');
$objects[] = $temp;
$engines[] = 'internal';
if ($temp->isValidEngine(Blowfish::ENGINE_MCRYPT)) {
$temp = new Blowfish(Blowfish::MODE_CTR);
$temp->setPreferredEngine(Blowfish::ENGINE_MCRYPT);
if ($temp->isValidEngine('mcrypt')) {
$temp = new Blowfish('ctr');
$temp->setPreferredEngine('mcrypt');
$objects[] = $temp;
$engines[] = 'mcrypt';
}
if ($temp->isValidEngine(Blowfish::ENGINE_OPENSSL)) {
$temp = new Blowfish(Blowfish::MODE_CTR);
$temp->setPreferredEngine(Blowfish::ENGINE_OPENSSL);
if ($temp->isValidEngine('OpenSSL')) {
$temp = new Blowfish('ctr');
$temp->setPreferredEngine('OpenSSL');
$objects[] = $temp;
$engines[] = 'OpenSSL';
}

35
tests/Unit/Crypt/RC2Test.php
View File

@ -5,16 +5,15 @@
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
use phpseclib\Crypt\Common\BlockCipher;
use phpseclib\Crypt\RC2;
class Unit_Crypt_RC2Test extends PhpseclibTestCase
{
var $engines = array(
BlockCipher::ENGINE_INTERNAL => 'internal',
BlockCipher::ENGINE_EVAL => 'eval',
BlockCipher::ENGINE_MCRYPT => 'mcrypt',
BlockCipher::ENGINE_OPENSSL => 'OpenSSL',
'PHP',
'Eval',
'mcrypt',
'OpenSSL',
);
public function engineVectors()
@ -34,9 +33,9 @@ class Unit_Crypt_RC2Test extends PhpseclibTestCase
$result = array();
foreach ($this->engines as $engine => $engineName) {
foreach ($this->engines as $engine) {
foreach ($tests as $test) {
$result[] = array($engine, $engineName, $test[0], $test[1], $test[2], $test[3]);
$result[] = array($engine, $test[0], $test[1], $test[2], $test[3]);
}
}
@ -46,7 +45,7 @@ class Unit_Crypt_RC2Test extends PhpseclibTestCase
// this test is just confirming RC2's key expansion
public function testEncryptPadding()
{
$rc2 = new RC2(BlockCipher::MODE_ECB);
$rc2 = new RC2('ecb');
// unlike Crypt_AES / Crypt_Rijndael, when you tell Crypt_RC2 that the key length is 128-bits the key isn't null padded to that length.
// instead, RC2 key expansion is used to extend it out to that length. this isn't done for AES / Rijndael since that doesn't define any
@ -83,22 +82,22 @@ class Unit_Crypt_RC2Test extends PhpseclibTestCase
$rc2->setKey(str_repeat('d', 16), 128);
$rc2->setPreferredEngine(BlockCipher::ENGINE_INTERNAL);
$rc2->setPreferredEngine('PHP');
$internal = $rc2->encrypt('d');
$result = pack('H*', 'e3b36057f4821346');
$this->assertEquals($result, $internal, 'Failed asserting that the internal engine produced the correct result');
$rc2->setPreferredEngine(BlockCipher::ENGINE_MCRYPT);
if ($rc2->getEngine() == BlockCipher::ENGINE_MCRYPT) {
$rc2->setPreferredEngine('mcrypt');
if ($rc2->getEngine() == 'mcrypt') {
$mcrypt = $rc2->encrypt('d');
$this->assertEquals($result, $mcrypt, 'Failed asserting that the mcrypt engine produced the correct result');
} else {
self::markTestSkipped('Unable to initialize mcrypt engine');
}
$rc2->setPreferredEngine(BlockCipher::ENGINE_OPENSSL);
if ($rc2->getEngine() == BlockCipher::ENGINE_OPENSSL) {
$rc2->setPreferredEngine('OpenSSL');
if ($rc2->getEngine() == 'OpenSSL') {
$openssl = $rc2->encrypt('d');
$this->assertEquals($result, $openssl, 'Failed asserting that the OpenSSL engine produced the correct result');
} else {
@ -109,22 +108,22 @@ class Unit_Crypt_RC2Test extends PhpseclibTestCase
/**
* @dataProvider engineVectors
*/
public function testVectors($engine, $engineName, $key, $keyLen, $plaintext, $ciphertext)
public function testVectors($engine, $key, $keyLen, $plaintext, $ciphertext)
{
$rc2 = new RC2(RC2::MODE_CBC);
$rc2 = new RC2('cbc');
$rc2->disablePadding();
$rc2->setKeyLength($keyLen);
$rc2->setKey(pack('H*', $key)); // could also do $rc2->setKey(pack('H*', $key), $keyLen)
$rc2->setIV(str_repeat("\0", $rc2->getBlockLength() >> 3));
if (!$rc2->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
self::markTestSkipped("Unable to initialize $engine engine");
}
$rc2->setPreferredEngine($engine);
$result = bin2hex($rc2->encrypt(pack('H*', $plaintext)));
$this->assertEquals($result, $ciphertext, "Failed asserting that $plaintext yielded expected output in $engineName engine");
$this->assertEquals($result, $ciphertext, "Failed asserting that $plaintext yielded expected output in $engine engine");
$result = bin2hex($rc2->decrypt(pack('H*', $ciphertext)));
$this->assertEquals($result, $plaintext, "Failed asserting that decrypted result yielded $plaintext as a result in $engineName engine");
$this->assertEquals($result, $plaintext, "Failed asserting that decrypted result yielded $plaintext as a result in $engine engine");
}
}

18
tests/Unit/Crypt/RC4Test.php
View File

@ -5,7 +5,6 @@
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
use phpseclib\Crypt\Common\StreamCipher;
use phpseclib\Crypt\RC4;
use phpseclib\Crypt\Random;
@ -14,9 +13,10 @@ class Unit_Crypt_RC4Test extends PhpseclibTestCase
public function engineVectors()
{
$engines = array(
StreamCipher::ENGINE_INTERNAL => 'internal',
StreamCipher::ENGINE_MCRYPT => 'mcrypt',
StreamCipher::ENGINE_OPENSSL => 'OpenSSL',
'PHP',
'Eval',
'mcrypt',
'OpenSSL',
);
// tests from https://tools.ietf.org/html/rfc6229
$tests = array(
@ -185,10 +185,10 @@ class Unit_Crypt_RC4Test extends PhpseclibTestCase
$result = array();
foreach ($engines as $engine => $engineName) {
foreach ($engines as $engine) {
foreach ($tests as $test) {
foreach ($test['output'] as $output) {
$result[] = array($engine, $engineName, $test['key'], $output['offset'], $output['result']);
$result[] = array($engine, $test['key'], $output['offset'], $output['result']);
}
}
}
@ -199,16 +199,16 @@ class Unit_Crypt_RC4Test extends PhpseclibTestCase
/**
* @dataProvider engineVectors
*/
public function testVectors($engine, $engineName, $key, $offset, $expected)
public function testVectors($engine, $key, $offset, $expected)
{
$rc4 = new RC4();
$rc4->setPreferredEngine($engine);
$rc4->setKey($key);
if ($rc4->getEngine() != $engine) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine for ' . (strlen($key) * 8) . '-bit key');
self::markTestSkipped('Unable to initialize ' . $engine . ' engine for ' . (strlen($key) * 8) . '-bit key');
}
$result = $rc4->encrypt(str_repeat("\0", $offset + 16));
$this->assertEquals(bin2hex(substr($result, -16)), $expected, "Failed asserting that key $key yielded expected output at offset $offset in $engineName engine");
$this->assertEquals(bin2hex(substr($result, -16)), $expected, "Failed asserting that key $key yielded expected output at offset $offset in $engine engine");
}
public function testKeySizes()

52
tests/Unit/Crypt/TripleDESTest.php
View File

@ -5,16 +5,15 @@
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
use phpseclib\Crypt\Common\BlockCipher;
use phpseclib\Crypt\TripleDES;
class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
{
var $engines = array(
BlockCipher::ENGINE_INTERNAL => 'internal',
BlockCipher::ENGINE_EVAL => 'eval',
BlockCipher::ENGINE_MCRYPT => 'mcrypt',
BlockCipher::ENGINE_OPENSSL => 'OpenSSL',
'PHP',
'Eval',
'mcrypt',
'OpenSSL',
);
public function engineVectors()
@ -91,9 +90,9 @@ class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
$result = array();
foreach ($this->engines as $engine => $engineName) {
foreach ($this->engines as $engine) {
foreach ($tests as $test) {
$result[] = array($engine, $engineName, $test[0], $test[1], $test[2]);
$result[] = array($engine, $test[0], $test[1], $test[2]);
}
}
@ -103,11 +102,11 @@ class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
/**
* @dataProvider engineVectors
*/
public function testVectors($engine, $engineName, $key, $plaintext, $expected)
public function testVectors($engine, $key, $plaintext, $expected)
{
$des = new TripleDES(TripleDES::MODE_CBC);
$des = new TripleDES('cbc');
if (!$des->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
self::markTestSkipped("Unable to initialize $engine engine");
}
$des->setPreferredEngine($engine);
$des->setKey($key);
@ -115,15 +114,16 @@ class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
$des->disablePadding();
$result = $des->encrypt($plaintext);
$plaintext = bin2hex($plaintext);
$this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engineName engine");
$this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
}
public function engineIVVectors()
{
$engines = array(
BlockCipher::ENGINE_INTERNAL => 'internal',
BlockCipher::ENGINE_MCRYPT => 'mcrypt',
BlockCipher::ENGINE_OPENSSL => 'OpenSSL',
'PHP',
'Eval',
'mcrypt',
'OpenSSL',
);
// tests from http://csrc.nist.gov/groups/STM/cavp/documents/des/DESMMT.pdf
@ -143,9 +143,9 @@ class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
$result = array();
foreach ($engines as $engine => $engineName) {
foreach ($engines as $engine) {
foreach ($tests as $test) {
$result[] = array($engine, $engineName, $test[0], $test[1], $test[2], $test[3]);
$result[] = array($engine, $test[0], $test[1], $test[2], $test[3]);
}
}
@ -155,11 +155,11 @@ class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
/**
* @dataProvider engineIVVectors
*/
public function testVectorsWithIV($engine, $engineName, $key, $iv, $plaintext, $expected)
public function testVectorsWithIV($engine, $key, $iv, $plaintext, $expected)
{
$des = new TripleDES(TripleDES::MODE_CBC);
$des = new TripleDES('cbc');
if (!$des->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
self::markTestSkipped("Unable to initialize $engine engine");
}
$des->setPreferredEngine($engine);
$des->setKey($key);
@ -167,7 +167,7 @@ class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
$des->disablePadding();
$result = $des->encrypt($plaintext);
$plaintext = bin2hex($plaintext);
$this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engineName engine");
$this->assertEquals($result, $expected, "Failed asserting that $plaintext yielded expected output in $engin engine");
}
public function testInnerChaining()
@ -176,25 +176,25 @@ class Unit_Crypt_TripleDESTest extends PhpseclibTestCase
// e089b6d84708c6bc80be6c2da82bd19a79ffe11f02933ac1
$expected = 'e089b6d84708c6bc6f04c8971121603d7be2861efae0f3f5';
$des = new TripleDES(TripleDES::MODE_3CBC);
$des = new TripleDES('3cbc');
$des->setKey('abcdefghijklmnopqrstuvwx');
$des->setIV(str_repeat("\0", $des->getBlockLength() >> 3));
foreach ($this->engines as $engine => $engineName) {
foreach ($this->engines as $engine) {
$des->setPreferredEngine($engine);
if (!$des->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $engineName . ' engine');
self::markTestSkipped("Unable to initialize $engine engine");
}
$result = bin2hex($des->encrypt(str_repeat('a', 16)));
$this->assertEquals($result, $expected, "Failed asserting inner chainin worked correctly in $engineName engine");
$this->assertEquals($result, $expected, "Failed asserting inner chainin worked correctly in $engine engine");
}
}
// test special case lambda function error
public function testCorrectSelfUseInLambda()
{
$td = new TripleDES( TripleDES::MODE_ECB );
$td->setPreferredEngine( TripleDES::ENGINE_INTERNAL );
$td = new TripleDES('ecb');
$td->setPreferredEngine('Eval');
for ( $i = 0; $i < 20; $i++ ) {
$td->setKey( str_repeat( 'a', 20 ) . pack( 'V', mt_rand() ) );
$td->encrypt( str_repeat( 'a', 32 ) );

31
tests/Unit/Crypt/TwofishTest.php
View File

@ -5,7 +5,6 @@
* @license http://www.opensource.org/licenses/mit-license.html MIT License
*/
use phpseclib\Crypt\Common\BlockCipher;
use phpseclib\Crypt\Twofish;
class Unit_Crypt_TwofishTest extends PhpseclibTestCase
@ -13,14 +12,14 @@ class Unit_Crypt_TwofishTest extends PhpseclibTestCase
public function testVectors()
{
$engines = array(
BlockCipher::ENGINE_INTERNAL => 'internal',
BlockCipher::ENGINE_EVAL => 'eval',
BlockCipher::ENGINE_MCRYPT => 'mcrypt',
BlockCipher::ENGINE_OPENSSL => 'OpenSSL',
'PHP',
'Eval',
'mcrypt',
'OpenSSL',
);
foreach ($engines as $engine => $name) {
$tf = new Twofish(Twofish::MODE_CBC);
foreach ($engines as $engine) {
$tf = new Twofish('cbc');
$tf->setIV(str_repeat("\0", $tf->getBlockLength() >> 3));
$tf->disablePadding();
@ -30,47 +29,47 @@ class Unit_Crypt_TwofishTest extends PhpseclibTestCase
$key = pack('H*', '00000000000000000000000000000000');
$tf->setKey($key);
if (!$tf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $name . ' engine');
self::markTestSkipped('Unable to initialize $engine 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");
$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
$expected = bin2hex($plaintext);
$plaintext = bin2hex($tf->decrypt($ciphertext));
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
// key size = 192
$key = pack('H*', '0123456789ABCDEFFEDCBA98765432100011223344556677');
$tf->setKey($key);
if (!$tf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $name . ' engine');
self::markTestSkipped("Unable to initialize $engine 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");
$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
$expected = bin2hex($plaintext);
$plaintext = bin2hex($tf->decrypt($ciphertext));
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
// key size = 256
$key = pack('H*', '0123456789ABCDEFFEDCBA987654321000112233445566778899AABBCCDDEEFF');
$tf->setKey($key);
if (!$tf->isValidEngine($engine)) {
self::markTestSkipped('Unable to initialize ' . $name . ' engine');
self::markTestSkipped("Unable to initialize $engine 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");
$this->assertEquals(bin2hex($ciphertext), $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
$expected = bin2hex($plaintext);
$plaintext = bin2hex($tf->decrypt($ciphertext));
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $name engine");
$this->assertEquals($plaintext, $expected, "Failed asserting that $plaintext yielded expected output in $engine engine");
}
}
}