WebSVN – oidplus – Diff – /trunk/vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.php



 *
 *    echo $twofish->decrypt($twofish->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   Twofish
 * @author    Jim Wigginton <terrafrost@php.net>
 * @author    Hans-Juergen Petrich <petrich@tronic-media.com>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net

use phpseclib3\Exception\BadModeException;
 
/**
 * Pure-PHP implementation of Twofish.
 *
 * @package Twofish
 * @author  Jim Wigginton <terrafrost@php.net>
 * @author  Hans-Juergen Petrich <petrich@tronic-media.com>
 * @access  public
 */
class Twofish extends BlockCipher
{
    /**
     * The mcrypt specific name of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'twofish';
 
    /**
     * Optimizing value while CFB-encrypting
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len
     * @var int
     * @access private
     */
    protected $cfb_init_len = 800;
 
    /**
     * Q-Table
     *
     * @var array
     * @access private
     */
    private static $q0 = [
        0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76,
        0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38,
        0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C,

 
    /**
     * Q-Table
     *
     * @var array
     * @access private
     */
    private static $q1 = [
        0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8,
        0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B,
        0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1,

 
    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m0 = [
        0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8,
        0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B,
        0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1,

 
    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m1 = [
        0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4,
        0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A,
        0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141,

 
    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m2 = [
        0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA,
        0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7,
        0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783,

 
    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m3 = [
        0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF,
        0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836,
        0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77,

 
    /**
     * The Key Schedule Array
     *
     * @var array
     * @access private
     */
    private $K = [];
 
    /**
     * The Key depended S-Table 0
     *
     * @var array
     * @access private
     */
    private $S0 = [];
 
    /**
     * The Key depended S-Table 1
     *
     * @var array
     * @access private
     */
    private $S1 = [];
 
    /**
     * The Key depended S-Table 2
     *
     * @var array
     * @access private
     */
    private $S2 = [];
 
    /**
     * The Key depended S-Table 3
     *
     * @var array
     * @access private
     */
    private $S3 = [];
 
    /**
     * Holds the last used key
     *
     * @var array
     * @access private
     */
    private $kl;
 
    /**
     * The Key Length (in bytes)
     *
     * @see Crypt_Twofish::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 16;
 
    /**
     * Default Constructor.
     *
     * @param string $mode
     * @access public
     * @throws BadModeException if an invalid / unsupported mode is provided
     */
    public function __construct($mode)
    {
        parent::__construct($mode);

    /**
     * Sets the key length.
     *
     * Valid key lengths are 128, 192 or 256 bits
     *
     * @access public
     * @param int $length
     */
    public function setKeyLength($length)
    {
        switch ($length) {

     * Sets the key.
     *
     * Rijndael supports five different key lengths
     *
     * @see setKeyLength()
     * @access public
     * @param string $key
     * @throws \LengthException if the key length isn't supported
     */
    public function setKey($key)
    {

 
    /**
     * Setup the key (expansion)
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::_setupKey()
     * @access private
     */
    protected function setupKey()
    {
        if (isset($this->kl['key']) && $this->key === $this->kl['key']) {
            // already expanded

    }
 
    /**
     * _mdsrem function using by the twofish cipher algorithm
     *
     * @access private
     * @param string $A
     * @param string $B
     * @return array
     */
    private function mdsrem($A, $B)

    }
 
    /**
     * Encrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function encryptBlock($in)
    {

    }
 
    /**
     * Decrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function decryptBlock($in)
    {

 
    /**
     * Setup the performance-optimized function for de/encrypt()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::_setupInlineCrypt()
     * @access private
     */
    protected function setupInlineCrypt()
    {
        $K = $this->K;
        $init_crypt = '

Rev 846	Rev 874
Line 24...	Line 24...
24	*	24	*
25	* echo $twofish->decrypt($twofish->encrypt($plaintext));	25	* echo $twofish->decrypt($twofish->encrypt($plaintext));
26	* ?>	26	* ?>
27	* </code>	27	* </code>
28	*	28	*
-		29	* @category Crypt
-		30	* @package Twofish
29	* @author Jim Wigginton <terrafrost@php.net>	31	* @author Jim Wigginton <terrafrost@php.net>
30	* @author Hans-Juergen Petrich <petrich@tronic-media.com>	32	* @author Hans-Juergen Petrich <petrich@tronic-media.com>
31	* @copyright 2007 Jim Wigginton	33	* @copyright 2007 Jim Wigginton
32	* @license http://www.opensource.org/licenses/mit-license.html MIT License	34	* @license http://www.opensource.org/licenses/mit-license.html MIT License
33	* @link http://phpseclib.sourceforge.net	35	* @link http://phpseclib.sourceforge.net
Line 39...	Line 41...
39	use phpseclib3\Exception\BadModeException;	41	use phpseclib3\Exception\BadModeException;
40		42
41	/**	43	/**
42	* Pure-PHP implementation of Twofish.	44	* Pure-PHP implementation of Twofish.
43	*	45	*
-		46	* @package Twofish
44	* @author Jim Wigginton <terrafrost@php.net>	47	* @author Jim Wigginton <terrafrost@php.net>
45	* @author Hans-Juergen Petrich <petrich@tronic-media.com>	48	* @author Hans-Juergen Petrich <petrich@tronic-media.com>
-		49	* @access public
46	*/	50	*/
47	class Twofish extends BlockCipher	51	class Twofish extends BlockCipher
48	{	52	{
49	/**	53	/**
50	* The mcrypt specific name of the cipher	54	* The mcrypt specific name of the cipher
51	*	55	*
52	* @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt	56	* @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
53	* @var string	57	* @var string
-		58	* @access private
54	*/	59	*/
55	protected $cipher_name_mcrypt = 'twofish';	60	protected $cipher_name_mcrypt = 'twofish';
56		61
57	/**	62	/**
58	* Optimizing value while CFB-encrypting	63	* Optimizing value while CFB-encrypting
59	*	64	*
60	* @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len	65	* @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len
61	* @var int	66	* @var int
-		67	* @access private
62	*/	68	*/
63	protected $cfb_init_len = 800;	69	protected $cfb_init_len = 800;
64		70
65	/**	71	/**
66	* Q-Table	72	* Q-Table
67	*	73	*
68	* @var array	74	* @var array
-		75	* @access private
69	*/	76	*/
70	private static $q0 = [	77	private static $q0 = [
71	0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76,	78	0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76,
72	0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38,	79	0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38,
73	0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C,	80	0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C,
Line 104...	Line 111...
104		111
105	/**	112	/**
106	* Q-Table	113	* Q-Table
107	*	114	*
108	* @var array	115	* @var array
-		116	* @access private
109	*/	117	*/
110	private static $q1 = [	118	private static $q1 = [
111	0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8,	119	0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8,
112	0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B,	120	0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B,
113	0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1,	121	0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1,
Line 144...	Line 152...
144		152
145	/**	153	/**
146	* M-Table	154	* M-Table
147	*	155	*
148	* @var array	156	* @var array
-		157	* @access private
149	*/	158	*/
150	private static $m0 = [	159	private static $m0 = [
151	0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8,	160	0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8,
152	0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B,	161	0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B,
153	0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1,	162	0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1,
Line 184...	Line 193...
184		193
185	/**	194	/**
186	* M-Table	195	* M-Table
187	*	196	*
188	* @var array	197	* @var array
-		198	* @access private
189	*/	199	*/
190	private static $m1 = [	200	private static $m1 = [
191	0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4,	201	0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4,
192	0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A,	202	0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A,
193	0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141,	203	0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141,
Line 224...	Line 234...
224		234
225	/**	235	/**
226	* M-Table	236	* M-Table
227	*	237	*
228	* @var array	238	* @var array
-		239	* @access private
229	*/	240	*/
230	private static $m2 = [	241	private static $m2 = [
231	0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA,	242	0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA,
232	0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7,	243	0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7,
233	0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783,	244	0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783,
Line 264...	Line 275...
264		275
265	/**	276	/**
266	* M-Table	277	* M-Table
267	*	278	*
268	* @var array	279	* @var array
-		280	* @access private
269	*/	281	*/
270	private static $m3 = [	282	private static $m3 = [
271	0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF,	283	0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF,
272	0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836,	284	0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836,
273	0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77,	285	0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77,
Line 304...	Line 316...
304		316
305	/**	317	/**
306	* The Key Schedule Array	318	* The Key Schedule Array
307	*	319	*
308	* @var array	320	* @var array
-		321	* @access private
309	*/	322	*/
310	private $K = [];	323	private $K = [];
311		324
312	/**	325	/**
313	* The Key depended S-Table 0	326	* The Key depended S-Table 0
314	*	327	*
315	* @var array	328	* @var array
-		329	* @access private
316	*/	330	*/
317	private $S0 = [];	331	private $S0 = [];
318		332
319	/**	333	/**
320	* The Key depended S-Table 1	334	* The Key depended S-Table 1
321	*	335	*
322	* @var array	336	* @var array
-		337	* @access private
323	*/	338	*/
324	private $S1 = [];	339	private $S1 = [];
325		340
326	/**	341	/**
327	* The Key depended S-Table 2	342	* The Key depended S-Table 2
328	*	343	*
329	* @var array	344	* @var array
-		345	* @access private
330	*/	346	*/
331	private $S2 = [];	347	private $S2 = [];
332		348
333	/**	349	/**
334	* The Key depended S-Table 3	350	* The Key depended S-Table 3
335	*	351	*
336	* @var array	352	* @var array
-		353	* @access private
337	*/	354	*/
338	private $S3 = [];	355	private $S3 = [];
339		356
340	/**	357	/**
341	* Holds the last used key	358	* Holds the last used key
342	*	359	*
343	* @var array	360	* @var array
-		361	* @access private
344	*/	362	*/
345	private $kl;	363	private $kl;
346		364
347	/**	365	/**
348	* The Key Length (in bytes)	366	* The Key Length (in bytes)
349	*	367	*
350	* @see Crypt_Twofish::setKeyLength()	368	* @see Crypt_Twofish::setKeyLength()
351	* @var int	369	* @var int
-		370	* @access private
352	*/	371	*/
353	protected $key_length = 16;	372	protected $key_length = 16;
354		373
355	/**	374	/**
356	* Default Constructor.	375	* Default Constructor.
357	*	376	*
358	* @param string $mode	377	* @param string $mode
-		378	* @access public
359	* @throws BadModeException if an invalid / unsupported mode is provided	379	* @throws BadModeException if an invalid / unsupported mode is provided
360	*/	380	*/
361	public function __construct($mode)	381	public function __construct($mode)
362	{	382	{
363	parent::__construct($mode);	383	parent::__construct($mode);
Line 370...	Line 390...
370	/**	390	/**
371	* Sets the key length.	391	* Sets the key length.
372	*	392	*
373	* Valid key lengths are 128, 192 or 256 bits	393	* Valid key lengths are 128, 192 or 256 bits
374	*	394	*
-		395	* @access public
375	* @param int $length	396	* @param int $length
376	*/	397	*/
377	public function setKeyLength($length)	398	public function setKeyLength($length)
378	{	399	{
379	switch ($length) {	400	switch ($length) {
Line 392...	Line 413...
392	* Sets the key.	413	* Sets the key.
393	*	414	*
394	* Rijndael supports five different key lengths	415	* Rijndael supports five different key lengths
395	*	416	*
396	* @see setKeyLength()	417	* @see setKeyLength()
-		418	* @access public
397	* @param string $key	419	* @param string $key
398	* @throws \LengthException if the key length isn't supported	420	* @throws \LengthException if the key length isn't supported
399	*/	421	*/
400	public function setKey($key)	422	public function setKey($key)
401	{	423	{
Line 413...	Line 435...
413		435
414	/**	436	/**
415	* Setup the key (expansion)	437	* Setup the key (expansion)
416	*	438	*
417	* @see \phpseclib3\Crypt\Common\SymmetricKey::_setupKey()	439	* @see \phpseclib3\Crypt\Common\SymmetricKey::_setupKey()
-		440	* @access private
418	*/	441	*/
419	protected function setupKey()	442	protected function setupKey()
420	{	443	{
421	if (isset($this->kl['key']) && $this->key === $this->kl['key']) {	444	if (isset($this->kl['key']) && $this->key === $this->kl['key']) {
422	// already expanded	445	// already expanded
Line 524...	Line 547...
524	}	547	}
525		548
526	/**	549	/**
527	* _mdsrem function using by the twofish cipher algorithm	550	* _mdsrem function using by the twofish cipher algorithm
528	*	551	*
-		552	* @access private
529	* @param string $A	553	* @param string $A
530	* @param string $B	554	* @param string $B
531	* @return array	555	* @return array
532	*/	556	*/
533	private function mdsrem($A, $B)	557	private function mdsrem($A, $B)
Line 571...	Line 595...
571	}	595	}
572		596
573	/**	597	/**
574	* Encrypts a block	598	* Encrypts a block
575	*	599	*
-		600	* @access private
576	* @param string $in	601	* @param string $in
577	* @return string	602	* @return string
578	*/	603	*/
579	protected function encryptBlock($in)	604	protected function encryptBlock($in)
580	{	605	{
Line 626...	Line 651...
626	}	651	}
627		652
628	/**	653	/**
629	* Decrypts a block	654	* Decrypts a block
630	*	655	*
-		656	* @access private
631	* @param string $in	657	* @param string $in
632	* @return string	658	* @return string
633	*/	659	*/
634	protected function decryptBlock($in)	660	protected function decryptBlock($in)
635	{	661	{
Line 682...	Line 708...
682		708
683	/**	709	/**
684	* Setup the performance-optimized function for de/encrypt()	710	* Setup the performance-optimized function for de/encrypt()
685	*	711	*
686	* @see \phpseclib3\Crypt\Common\SymmetricKey::_setupInlineCrypt()	712	* @see \phpseclib3\Crypt\Common\SymmetricKey::_setupInlineCrypt()
-		713	* @access private
687	*/	714	*/
688	protected function setupInlineCrypt()	715	protected function setupInlineCrypt()
689	{	716	{
690	$K = $this->K;	717	$K = $this->K;
691	$init_crypt = '	718	$init_crypt = '

Subversion Repositories oidplus

oidplus/trunk/vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.php – Rev 846 → 874