Class Horde_Cipher_rc2

Description

The Cipher_rc2:: class implements the Cipher interface encryption data using the RC2 algorithm as described in RFC2268.

Based on the notes by Peter Gutmann <pgut01@cs.auckland.ac.nz> http://www.mirrors.wiretapped.net/security/cryptography/ algorithms/rc2/comments/gutman-960211

$Horde: framework/Cipher/Cipher/rc2.php,v 1.9.12.11 2009/01/06 15:22:57 jan Exp $

Copyright 2002-2009 The Horde Project (http://www.horde.org/)

See the enclosed file COPYING for license information (LGPL). If you did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.

Located in /Cipher/Cipher/rc2.php (line 21)

Horde_Cipher
   |
   --Horde_Cipher_rc2
Variable Summary
 array $_perm
Method Summary
 string decryptBlock (string $block, [string $key = null])
 string encryptBlock (string $block, [string $key = null])
 integer getBlockSize ()
 void setKey (string $key)
Variables
array $_keySchedule = array() (line 68)

Array to hold the key schedule

array $_perm = array(
0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED,
0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D,
0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E,
0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2,
0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13,
0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32,
0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B,
0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82,
0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C,
0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC,
0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1,
0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26,
0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57,
0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03,
0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7,
0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7,
0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7,
0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A,
0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74,
0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC,
0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC,
0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39,
0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A,
0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31,
0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE,
0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9,
0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C,
0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9,
0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0,
0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E,
0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77,
0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD
)
(line 28)

Permutations array

Inherited Variables

Inherited from Horde_Cipher

Horde_Cipher::$_blockMode
Horde_Cipher::$_iv
Methods
decryptBlock (line 167)

Decrypt a block of data.

  • return: The decrypted output.
string decryptBlock (string $block, [string $key = null])
  • string $block: The data to decrypt.
  • string $key: The key to use.
encryptBlock (line 121)

Encrypt a block of data.

  • return: The encrypted output.
string encryptBlock (string $block, [string $key = null])
  • string $block: The data to encrypt.
  • string $key: The key to use.
getBlockSize (line 108)

Return the size of the blocks that this cipher needs.

  • return: The number of characters per block.
integer getBlockSize ()
setKey (line 75)

Set the key to be used for en/decryption.

void setKey (string $key)
  • string $key: The key to use.

Inherited Methods

Inherited From Horde_Cipher

 Horde_Cipher::decrypt()
 Horde_Cipher::encrypt()
 Horde_Cipher::factory()
 Horde_Cipher::setBlockMode()
 Horde_Cipher::setIV()

Documentation generated on Sun, 30 Jan 2011 05:20:45 +0000 by phpDocumentor 1.4.3