PHP Class phpseclib\Crypt\Twofish

Author: Jim Wigginton ([email protected])

Author: Hans-Juergen Petrich ([email protected])

Inheritance: extends phpseclib\Crypt\Common\BlockCipher

Show file Open project: phpseclib/phpseclib Class Usage Examples

Public Properties

Property	Type	Description
$K	array	The Key Schedule Array
$S0	array	The Key depended S-Table 0
$S1	array	The Key depended S-Table 1
$S2	array	The Key depended S-Table 2
$S3	array	The Key depended S-Table 3
$cfb_init_len	integer	Optimizing value while CFB-encrypting
$cipher_name_mcrypt	string	The mcrypt specific name of the cipher
$key_length	integer	The Key Length (in bytes)
$kl	array	Holds the last used key
$m0	array	M-Table
$m1	array	M-Table
$m2	array	M-Table
$m3	array	M-Table
$q0	array	Q-Table
$q1	array	Q-Table

Public Methods

Method	Description
__construct ( integer $mode )	Default Constructor.
_decryptBlock ( string $in ) : string	Decrypts a block
_encryptBlock ( string $in ) : string	Encrypts a block
_mdsrem ( string $A, string $B ) : array	_mdsrem function using by the twofish cipher algorithm
_setupInlineCrypt ( )	Setup the performance-optimized function for de/encrypt()
_setupKey ( )	Setup the key (expansion)
setKey ( string $key )	Sets the key.
setKeyLength ( integer $length )	Sets the key length.

Method Details

__construct() public method

Default Constructor.

public __construct ( integer $mode )
$mode	integer

_decryptBlock() public method

Decrypts a block

public _decryptBlock ( string $in ) : string
$in	string
return	string

_encryptBlock() public method

Encrypts a block

public _encryptBlock ( string $in ) : string
$in	string
return	string

_mdsrem() public method

_mdsrem function using by the twofish cipher algorithm

public _mdsrem ( string $A, string $B ) : array
$A	string
$B	string
return	array

_setupInlineCrypt() public method

Setup the performance-optimized function for de/encrypt()

See also: phpseclib\Crypt\Common\SymmetricKey::_setupInlineCrypt()

public _setupInlineCrypt ( )

_setupKey() public method

Setup the key (expansion)

See also: phpseclib\Crypt\Common\SymmetricKey::_setupKey()

public _setupKey ( )

setKey() public method

Rijndael supports five different key lengths

setKeyLength() public method

Valid key lengths are 128, 192 or 256 bits

public setKeyLength ( integer $length )
$length	integer

Property Details

$K public property

The Key Schedule Array

public array $K
return	array

$S0 public property

The Key depended S-Table 0

public array $S0
return	array

$S1 public property

The Key depended S-Table 1

public array $S1
return	array

$S2 public property

The Key depended S-Table 2

public array $S2
return	array

$S3 public property

The Key depended S-Table 3

public array $S3
return	array

$cfb_init_len public property

Optimizing value while CFB-encrypting

See also: phpseclib\Crypt\Common\SymmetricKey::cfb_init_len

public int $cfb_init_len
return	integer

$cipher_name_mcrypt public property

The mcrypt specific name of the cipher

See also: phpseclib\Crypt\Common\SymmetricKey::cipher_name_mcrypt

public string $cipher_name_mcrypt
return	string

$key_length public property

The Key Length (in bytes)

$kl public property

Holds the last used key

public array $kl
return	array

$m0 public property

M-Table

public array $m0
return	array

$m1 public property

M-Table

public array $m1
return	array

$m2 public property

M-Table

public array $m2
return	array

$m3 public property

M-Table

public array $m3
return	array

$q0 public property

Q-Table

public array $q0
return	array

$q1 public property

Q-Table

public array $q1
return	array