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authorthomascube <thomas@roundcube.net>2005-10-03 20:25:31 +0000
committerthomascube <thomas@roundcube.net>2005-10-03 20:25:31 +0000
commit627330f670ad7921044592ca72819f7ee6ed3fa0 (patch)
tree04ded4bf0ce5d33448e62cf3bfc2bce8eaf3e28f /program/lib/Auth/SASL/Common.php
parent52c1f289c288253148bbdb742ff72104c5950dd0 (diff)
Minor bugfixes and SMTP support
Diffstat (limited to 'program/lib/Auth/SASL/Common.php')
-rwxr-xr-xprogram/lib/Auth/SASL/Common.php74
1 files changed, 74 insertions, 0 deletions
diff --git a/program/lib/Auth/SASL/Common.php b/program/lib/Auth/SASL/Common.php
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+++ b/program/lib/Auth/SASL/Common.php
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+<?php
+// +-----------------------------------------------------------------------+
+// | Copyright (c) 2002-2003 Richard Heyes |
+// | All rights reserved. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | o Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | o Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution.|
+// | o The names of the authors may not be used to endorse or promote |
+// | products derived from this software without specific prior written |
+// | permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+// | |
+// +-----------------------------------------------------------------------+
+// | Author: Richard Heyes <richard@php.net> |
+// +-----------------------------------------------------------------------+
+//
+// $Id$
+
+/**
+* Common functionality to SASL mechanisms
+*
+* @author Richard Heyes <richard@php.net>
+* @access public
+* @version 1.0
+* @package Auth_SASL
+*/
+
+class Auth_SASL_Common
+{
+ /**
+ * Function which implements HMAC MD5 digest
+ *
+ * @param string $key The secret key
+ * @param string $data The data to protect
+ * @return string The HMAC MD5 digest
+ */
+ function _HMAC_MD5($key, $data)
+ {
+ if (strlen($key) > 64) {
+ $key = pack('H32', md5($key));
+ }
+
+ if (strlen($key) < 64) {
+ $key = str_pad($key, 64, chr(0));
+ }
+
+ $k_ipad = substr($key, 0, 64) ^ str_repeat(chr(0x36), 64);
+ $k_opad = substr($key, 0, 64) ^ str_repeat(chr(0x5C), 64);
+
+ $inner = pack('H32', md5($k_ipad . $data));
+ $digest = md5($k_opad . $inner);
+
+ return $digest;
+ }
+}
+?>