PHP Class phpseclib\Crypt\Blowfish

Author: Jim Wigginton ([email protected])

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

Inheritance: extends phpseclib\Crypt\Base

Show file Open project: phpseclib/phpseclib Class Usage Examples

Public Properties

Property	Type	Description
$bctx	array	Holds the expanded key [p] and the key-depended s-boxes [sb]
$block_size	integer	Block Length of the cipher
$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
$parray	array	P-Array consists of 18 32-bit subkeys
$sbox0	array	S-Box 0
$sbox1	array	S-Box 1
$sbox2	array	S-Box 2
$sbox3	array	S-Box 3

Public Methods

Method	Description
__construct ( integer $mode )	Default Constructor.
_decryptBlock ( string $in ) : string	Decrypts a block
_encryptBlock ( string $in ) : string	Encrypts a block
_setupInlineCrypt ( )	Setup the performance-optimized function for de/encrypt()
_setupKey ( )	Setup the key (expansion)
isValidEngine ( integer $engine ) : boolean	Test for engine validity
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

_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 ( )

isValidEngine() public method

This is mainly just a wrapper to set things up for \phpseclib\Crypt\Common\SymmetricKey::isValidEngine()

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

public isValidEngine ( integer $engine ) : boolean
$engine	integer
return	boolean

setKeyLength() public method

Key lengths can be between 32 and 448 bits.

public setKeyLength ( integer $length )
$length	integer

Property Details

$bctx public property

Holds the expanded key [p] and the key-depended s-boxes [sb]

public array $bctx
return	array

$block_size public property

Block Length of the cipher

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

public int $block_size
return	integer

$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)

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

public int $key_length
return	integer

$kl public property

Holds the last used key

public array $kl
return	array

$parray public property

P-Array consists of 18 32-bit subkeys

public array $parray
return	array

$sbox0 public property

S-Box 0

public array $sbox0
return	array

$sbox1 public property

S-Box 1

public array $sbox1
return	array

$sbox2 public property

S-Box 2

public array $sbox2
return	array

$sbox3 public property

S-Box 3

public array $sbox3
return	array