diff options
Diffstat (limited to 'models/Auth/OpenID/DiffieHellman.php')
-rw-r--r-- | models/Auth/OpenID/DiffieHellman.php | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/models/Auth/OpenID/DiffieHellman.php b/models/Auth/OpenID/DiffieHellman.php deleted file mode 100644 index 3e25b7dbb..000000000 --- a/models/Auth/OpenID/DiffieHellman.php +++ /dev/null @@ -1,113 +0,0 @@ -<?php - -/** - * The OpenID library's Diffie-Hellman implementation. - * - * PHP versions 4 and 5 - * - * LICENSE: See the COPYING file included in this distribution. - * - * @access private - * @package OpenID - * @author JanRain, Inc. <openid@janrain.com> - * @copyright 2005-2008 Janrain, Inc. - * @license http://www.apache.org/licenses/LICENSE-2.0 Apache - */ - -require_once 'Auth/OpenID.php'; -require_once 'Auth/OpenID/BigMath.php'; - -function Auth_OpenID_getDefaultMod() -{ - return '155172898181473697471232257763715539915724801'. - '966915404479707795314057629378541917580651227423'. - '698188993727816152646631438561595825688188889951'. - '272158842675419950341258706556549803580104870537'. - '681476726513255747040765857479291291572334510643'. - '245094715007229621094194349783925984760375594985'. - '848253359305585439638443'; -} - -function Auth_OpenID_getDefaultGen() -{ - return '2'; -} - -/** - * The Diffie-Hellman key exchange class. This class relies on - * {@link Auth_OpenID_MathLibrary} to perform large number operations. - * - * @access private - * @package OpenID - */ -class Auth_OpenID_DiffieHellman { - - var $mod; - var $gen; - var $private; - var $lib = null; - - function Auth_OpenID_DiffieHellman($mod = null, $gen = null, - $private = null, $lib = null) - { - if ($lib === null) { - $this->lib = Auth_OpenID_getMathLib(); - } else { - $this->lib = $lib; - } - - if ($mod === null) { - $this->mod = $this->lib->init(Auth_OpenID_getDefaultMod()); - } else { - $this->mod = $mod; - } - - if ($gen === null) { - $this->gen = $this->lib->init(Auth_OpenID_getDefaultGen()); - } else { - $this->gen = $gen; - } - - if ($private === null) { - $r = $this->lib->rand($this->mod); - $this->private = $this->lib->add($r, 1); - } else { - $this->private = $private; - } - - $this->public = $this->lib->powmod($this->gen, $this->private, - $this->mod); - } - - function getSharedSecret($composite) - { - return $this->lib->powmod($composite, $this->private, $this->mod); - } - - function getPublicKey() - { - return $this->public; - } - - function usingDefaultValues() - { - return ($this->mod == Auth_OpenID_getDefaultMod() && - $this->gen == Auth_OpenID_getDefaultGen()); - } - - function xorSecret($composite, $secret, $hash_func) - { - $dh_shared = $this->getSharedSecret($composite); - $dh_shared_str = $this->lib->longToBinary($dh_shared); - $hash_dh_shared = $hash_func($dh_shared_str); - - $xsecret = ""; - for ($i = 0; $i < Auth_OpenID::bytes($secret); $i++) { - $xsecret .= chr(ord($secret[$i]) ^ ord($hash_dh_shared[$i])); - } - - return $xsecret; - } -} - - |