diff --git a/phpgwapi/inc/class.smbhash.inc.php b/phpgwapi/inc/class.smbhash.inc.php
new file mode 100644
index 0000000000..e5d8389035
--- /dev/null
+++ b/phpgwapi/inc/class.smbhash.inc.php
@@ -0,0 +1,663 @@
+<?php
+	/*
+	$Id$
+
+	This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
+	Copyright (C) 2004 Roland Gruber
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+	*/
+
+	/**
+	* This class provides functions to calculate Samba NT and LM hashes.
+	*
+	* The code is a conversion from createntlm.pl (Benjamin Kuit) and smbdes.c/md4.c (Andrew Tridgell).
+	*
+	* @author Roland Gruber
+	*
+	* @package modules
+	*/
+
+	/**
+	* Calculates NT and LM hashes.
+	*
+	* The important functions are lmhash($password) and nthash($password).
+	*
+	* @package modules
+	*/
+	class smbHash
+	{
+		# Contants used in lanlam hash calculations
+		# Ported from SAMBA/source/libsmb/smbdes.c:perm1[56]
+
+		var $perm1 = array(
+			57, 49, 41, 33, 25, 17, 9,
+			1, 58, 50, 42, 34, 26, 18,
+			10, 2, 59, 51, 43, 35, 27,
+			19, 11, 3, 60, 52, 44, 36,
+			63, 55, 47, 39, 31, 23, 15,
+			7, 62, 54, 46, 38, 30, 22,
+			14, 6, 61, 53, 45, 37, 29,
+			21, 13, 5, 28, 20, 12, 4
+		);
+		# Ported from SAMBA/source/libsmb/smbdes.c:perm2[48]
+
+		var $perm2 = array(
+			14, 17, 11, 24, 1, 5,
+			3, 28, 15, 6, 21, 10,
+			23, 19, 12, 4, 26, 8,
+			16, 7, 27, 20, 13, 2,
+			41, 52, 31, 37, 47, 55,
+			30, 40, 51, 45, 33, 48,
+			44, 49, 39, 56, 34, 53,
+			46, 42, 50, 36, 29, 32
+		);
+		# Ported from SAMBA/source/libsmb/smbdes.c:perm3[64]
+
+		var $perm3 = array(
+			58, 50, 42, 34, 26, 18, 10, 2,
+			60, 52, 44, 36, 28, 20, 12, 4,
+			62, 54, 46, 38, 30, 22, 14, 6,
+			64, 56, 48, 40, 32, 24, 16, 8,
+			57, 49, 41, 33, 25, 17, 9, 1,
+			59, 51, 43, 35, 27, 19, 11, 3,
+			61, 53, 45, 37, 29, 21, 13, 5,
+			63, 55, 47, 39, 31, 23, 15, 7
+		);
+		# Ported from SAMBA/source/libsmb/smbdes.c:perm4[48]
+
+		var $perm4 = array(
+			32, 1, 2, 3, 4, 5,
+			4, 5, 6, 7, 8, 9,
+			8, 9, 10, 11, 12, 13,
+			12, 13, 14, 15, 16, 17,
+			16, 17, 18, 19, 20, 21,
+			20, 21, 22, 23, 24, 25,
+			24, 25, 26, 27, 28, 29,
+			28, 29, 30, 31, 32, 1
+		);
+		# Ported from SAMBA/source/libsmb/smbdes.c:perm5[32]
+
+		var $perm5 = array(
+			16, 7, 20, 21,
+			29, 12, 28, 17,
+			1, 15, 23, 26,
+			5, 18, 31, 10,
+			2, 8, 24, 14,
+			32, 27, 3, 9,
+			19, 13, 30, 6,
+			22, 11, 4, 25
+		);
+		# Ported from SAMBA/source/libsmb/smbdes.c:perm6[64]
+
+		var $perm6 = array(
+			40, 8, 48, 16, 56, 24, 64, 32,
+			39, 7, 47, 15, 55, 23, 63, 31,
+			38, 6, 46, 14, 54, 22, 62, 30,
+			37, 5, 45, 13, 53, 21, 61, 29,
+			36, 4, 44, 12, 52, 20, 60, 28,
+			35, 3, 43, 11, 51, 19, 59, 27,
+			34, 2, 42, 10, 50, 18, 58, 26,
+			33, 1, 41, 9, 49, 17, 57, 25
+		);
+		# Ported from SAMBA/source/libsmb/smbdes.c:sc[16]
+
+		var $sc = array(1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1);
+		# Ported from SAMBA/source/libsmb/smbdes.c:sbox[8][4][16]
+		# Side note, I used cut and paste for all these numbers, I did NOT
+		# type them all in =)
+
+		var $sbox = array(
+			array(
+				array(14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7),
+				array( 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8),
+				array( 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0),
+				array(15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13)
+			),
+			array(
+				array(15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10),
+				array( 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5),
+				array( 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15),
+				array(13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9)
+			),
+			array(
+				array(10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8),
+				array(13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1),
+				array(13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7),
+				array( 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12)
+			),
+			array(
+				array( 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15),
+				array(13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9),
+				array(10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4),
+				array( 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14)
+			),
+			array(
+				array( 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9),
+				array(14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6),
+				array( 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14),
+				array(11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3)
+			),
+			array(
+				array(12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11),
+				array(10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8),
+				array( 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6),
+				array( 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13)
+			),
+			array(
+				array( 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1),
+				array(13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6),
+				array( 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2),
+				array( 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12)
+			),
+			array(
+				array(13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7),
+				array( 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2),
+				array( 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8),
+				array( 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11)
+			)
+		);
+
+		/**
+		* @param integer count
+		* @param array $data
+		* @return array
+		*/
+		function lshift($count, $data)
+		{
+			$ret = array();
+			for($i = 0; $i < sizeof($data); $i++)
+			{
+				$ret[$i] = $data[($i + $count)%sizeof($data)];
+			}
+			return $ret;
+		}
+
+		/**
+		* @param array in input data
+		* @param array p permutation
+		* @return array
+		*/
+		function permute($in, $p, $n)
+		{
+			$ret = array();
+			for($i = 0; $i < $n; $i++)
+			{
+				$ret[$i] = $in[$p[$i] - 1]?1:0;
+			}
+			return $ret;
+		}
+
+		/**
+		* @param array $in1
+		* @param array $in2
+		* @return array
+		*/
+		function mxor($in1, $in2)
+		{
+			$ret = array();
+			for($i = 0; $i < sizeof($in1); $i++)
+			{
+				$ret[$i] = $in1[$i] ^ $in2[$i];
+			}
+			return $ret;
+		}
+
+		/**
+		* @param array $in
+		* @param array $key
+		* @param boolean $forw
+		* @return array
+		*/
+		function doHash($in, $key, $forw)
+		{
+			$ki = array();
+
+			$pk1 = $this->permute($key, $this->perm1, 56);
+
+			$c = array();
+			$d = array();
+			for($i = 0; $i < 28; $i++)
+			{
+				$c[$i] = $pk1[$i];
+				$d[$i] = $pk1[28 + $i];
+			}
+
+			for($i = 0; $i < 16; $i++)
+			{
+				$c = $this->lshift($this->sc[$i], $c);
+				$d = $this->lshift($this->sc[$i], $d);
+
+				$cd = $c;
+				for($k = 0; $k < sizeof($d); $k++)
+				{
+					$cd[] = $d[$k];
+				}
+				$ki[$i] = $this->permute($cd, $this->perm2, 48);
+			}
+
+			$pd1 = $this->permute($in, $this->perm3, 64);
+
+			$l = array();
+			$r = array();
+			for($i = 0; $i < 32; $i++)
+			{
+				$l[$i] = $pd1[$i];
+				$r[$i] = $pd1[32 + $i];
+			}
+
+			for($i = 0; $i < 16; $i++)
+			{
+				$er = $this->permute($r, $this->perm4, 48);
+				if($forw)
+				{
+					$erk = $this->mxor($er, $ki[$i]);
+				}
+				else
+				{
+					$erk = $this->mxor($er, $ki[15 - $i]);
+				}
+
+				for($j = 0; $j < 8; $j++)
+				{
+					for($k = 0; $k < 6; $k++)
+					{
+						$b[$j][$k] = $erk[($j * 6) + $k];
+					}
+				}
+				for($j = 0; $j < 8; $j++)
+				{
+					$m = array();
+					$n = array();
+					$m = ($b[$j][0] << 1) | $b[$j][5];
+					$n = ($b[$j][1] << 3) | ($b[$j][2] << 2) | ($b[$j][3] << 1) | $b[$j][4];
+
+					for($k = 0; $k < 4; $k++)
+					{
+						$b[$j][$k]=($this->sbox[$j][$m][$n] & (1 << (3-$k)))?1:0;
+					}
+				}
+
+				for($j = 0; $j < 8; $j++)
+				{
+					for($k = 0; $k < 4; $k++)
+					{
+						$cb[($j * 4) + $k] = $b[$j][$k];
+					}
+				}
+				$pcb = $this->permute($cb, $this->perm5, 32);
+				$r2 = $this->mxor($l, $pcb);
+				for($k = 0; $k < 32; $k++)
+				{
+					$l[$k] = $r[$k];
+				}
+				for($k = 0; $k < 32; $k++)
+				{
+					$r[$k] = $r2[$k];
+				}
+			}
+			$rl = $r;
+			for($i = 0; $i < sizeof($l); $i++)
+			{
+				$rl[] = $l[$i];
+			}
+			return $this->permute($rl, $this->perm6, 64);
+		}
+
+		function str_to_key($str)
+		{
+			$key[0] = $this->unsigned_shift_r($str[0], 1);
+			$key[1] = (($str[0]&0x01)<<6) | $this->unsigned_shift_r($str[1], 2);
+			$key[2] = (($str[1]&0x03)<<5) | $this->unsigned_shift_r($str[2], 3);
+			$key[3] = (($str[2]&0x07)<<4) | $this->unsigned_shift_r($str[3], 4);
+			$key[4] = (($str[3]&0x0F)<<3) | $this->unsigned_shift_r($str[4], 5);
+			$key[5] = (($str[4]&0x1F)<<2) | $this->unsigned_shift_r($str[5], 6);
+			$key[6] = (($str[5]&0x3F)<<1) | $this->unsigned_shift_r($str[6], 7);
+			$key[7] = $str[6]&0x7F;
+			for($i = 0; $i < 8; $i++)
+			{
+				$key[$i] = ($key[$i] << 1);
+			}
+			return $key;
+		}
+
+		function smb_hash($in, $key, $forw)
+		{
+			$key2 = $this->str_to_key($key);
+
+			for($i = 0; $i < 64; $i++)
+			{
+				$inb[$i] = ($in[$i/8] & (1<<(7-($i%8)))) ? 1:0;
+				$keyb[$i] = ($key2[$i/8] & (1<<(7-($i%8)))) ? 1:0;
+				$outb[$i] = 0;
+			}
+			$outb = $this->dohash($inb, $keyb, $forw);
+			for($i = 0; $i < 8; $i++)
+			{
+				$out[$i] = 0;
+			}
+			for($i = 0; $i < 65; $i++)
+			{
+				if(isset($outb[$i]) && $outb[$i])
+				{
+					$out[$i/8] |= (1<<(7-($i%8)));
+				}
+			}
+			return $out;
+		}
+
+		function E_P16($in)
+		{
+			$p14 = array_values(unpack("C*",$in));
+			$sp8 = array(0x4b, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25);
+			$p14_1 = array();
+			$p14_2 = array();
+			for($i = 0; $i < 7; $i++)
+			{
+				$p14_1[$i] = $p14[$i];
+				$p14_2[$i] = $p14[$i + 7];
+			}
+			$p16_1 = $this->smb_hash($sp8, $p14_1, true);
+			$p16_2 = $this->smb_hash($sp8, $p14_2, true);
+			$p16 = $p16_1;
+			for($i = 0; $i < sizeof($p16_2); $i++)
+			{
+				$p16[] = $p16_2[$i];
+			}
+			return $p16;
+		}
+
+		/**
+		* Calculates the LM hash of a given password.
+		*
+		* @param string $password password
+		* @return string hash value
+		*/
+		function lmhash($password='')
+		{
+			$password = strtoupper($password);
+			$password = substr($password,0,14);
+			$password = str_pad($password, 14, chr(0));
+			$p16 = $this->E_P16($password);
+			for($i = 0; $i < sizeof($p16); $i++)
+			{
+				$p16[$i] = sprintf("%02X", $p16[$i]);
+			}
+			return join('', $p16);
+		}
+
+		/**
+		* Calculates the NT hash of a given password.
+		*
+		* @param string $password password
+		* @return string hash value
+		*/
+		function nthash($password='')
+		{
+			$password = substr($password,0,128);
+			$password2 = '';
+			for($i = 0; $i < strlen($password); $i++)
+			{
+				$password2 .= $password[$i] . chr(0);
+			}
+			$password = $password2;
+			$hex = $this->mdfour($password);
+			for($i = 0; $i < sizeof($hex); $i++)
+			{
+				$hex[$i] = sprintf("%02X", $hex[$i]);
+			}
+			return join('', $hex);
+		}
+
+		# Support functions
+		# Ported from SAMBA/source/lib/md4.c:F,G and H respectfully
+
+		function F($X, $Y, $Z)
+		{
+			return($X&$Y) | ((~$X)&$Z);
+		}
+
+		function G($X, $Y, $Z)
+		{
+			return($X&$Y) | ($X&$Z) | ($Y&$Z);
+		}
+
+		function H($X, $Y, $Z)
+		{
+			return $X^$Y^$Z;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:mdfour
+
+		function mdfour($in)
+		{
+			$in = unpack("C*",$in);
+			$in = array_values($in);
+			$b = sizeof($in) * 8;
+			$A = array(0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476);
+			while(sizeof($in) > 64)
+			{
+				$M = $this->copy64($in);
+				$this->mdfour64($A[0], $A[1], $A[2], $A[3], $M);
+				$new_in = array();
+				for($i = 64; $i < sizeof($in); $i++)
+				{
+					$new_in[] = $in[$i];
+				}
+				$in = $new_in;
+			}
+			$buf = $in;
+			$buf[] = 0x80;
+			for($i = sizeof($buf) - 1; $i < 127; $i++)
+			{
+				$buf[] = 0;
+			}
+			if(sizeof($in) <= 55)
+			{
+				$temp = $this->copy4($b);
+				$buf[56] = $temp[0];
+				$buf[57] = $temp[1];
+				$buf[58] = $temp[2];
+				$buf[59] = $temp[3];
+				$M = $this->copy64($buf);
+				$this->mdfour64($A[0], $A[1], $A[2], $A[3], $M);
+			}
+			else
+			{
+				$temp = $this->copy4($b);
+				$buf[120] = $temp[0];
+				$buf[121] = $temp[1];
+				$buf[122] = $temp[2];
+				$buf[123] = $temp[3];
+				$M = $this->copy64($buf);
+				$this->mdfour64($A[0], $A[1], $A[2], $A[3], $M);
+				$temp = array();
+				for($i = 64; $i < sizeof($buf); $i++)
+				{
+					$temp[] = $buf[$i];
+				}
+				$M = $this->copy64($temp);
+				$this->mdfour64($A[0], $A[1], $A[2], $A[3], $M);
+			}
+			$out = array();
+			$temp = $this->copy4($A[0]);
+			for($i = 0; $i < 4; $i++)
+			{
+				$out[] = $temp[$i];
+			}
+			$temp = $this->copy4($A[1]);
+			for($i = 0; $i < 4; $i++)
+			{
+				$out[] = $temp[$i];
+			}
+			$temp = $this->copy4($A[2]);
+			for($i = 0; $i < 4; $i++)
+			{
+				$out[] = $temp[$i];
+			}
+			$temp = $this->copy4($A[3]);
+			for($i = 0; $i < 4; $i++)
+			{
+				$out[] = $temp[$i];
+			}
+			return $out;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:copy4
+
+		function copy4($x)
+		{
+			$out = array();
+			$out[0] = $x&0xFF;
+			$out[1] = $this->unsigned_shift_r($x, 8)&0xFF;
+			$out[2] = $this->unsigned_shift_r($x, 16)&0xFF;
+			$out[3] = $this->unsigned_shift_r($x, 24)&0xFF;
+			return $out;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:copy64
+
+		function copy64($in)
+		{
+			for($i = 0; $i < 16; $i++)
+			{
+				$M[$i] = ($in[$i*4+3]<<24) | ($in[$i*4+2]<<16) | ($in[$i*4+1]<<8) | ($in[$i*4+0]<<0);
+			}
+			return $M;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:mdfour64
+
+		function mdfour64(&$A, &$B, &$C, &$D, $M)
+		{
+			$X = array();
+			for($i = 0; $i < 16; $i++)
+			{
+				$X[] = $M[$i];
+			}
+			$AA=$A;
+			$BB=$B;
+			$CC=$C;
+			$DD=$D;
+			$this->ROUND1($A,$B,$C,$D, 0, 3, $X);
+			$this->ROUND1($D,$A,$B,$C, 1, 7, $X);
+			$this->ROUND1($C,$D,$A,$B, 2, 11, $X);
+			$this->ROUND1($B,$C,$D,$A, 3, 19, $X);
+			$this->ROUND1($A,$B,$C,$D, 4, 3, $X); $this->ROUND1($D,$A,$B,$C, 5, 7, $X);
+			$this->ROUND1($C,$D,$A,$B, 6, 11, $X); $this->ROUND1($B,$C,$D,$A, 7, 19, $X);
+			$this->ROUND1($A,$B,$C,$D, 8, 3, $X); $this->ROUND1($D,$A,$B,$C, 9, 7, $X);
+			$this->ROUND1($C,$D,$A,$B, 10, 11, $X); $this->ROUND1($B,$C,$D,$A, 11, 19, $X);
+			$this->ROUND1($A,$B,$C,$D, 12, 3, $X); $this->ROUND1($D,$A,$B,$C, 13, 7, $X);
+			$this->ROUND1($C,$D,$A,$B, 14, 11, $X); $this->ROUND1($B,$C,$D,$A, 15, 19, $X);
+			$this->ROUND2($A,$B,$C,$D, 0, 3, $X); $this->ROUND2($D,$A,$B,$C, 4, 5, $X);
+			$this->ROUND2($C,$D,$A,$B, 8, 9, $X); $this->ROUND2($B,$C,$D,$A, 12, 13, $X);
+			$this->ROUND2($A,$B,$C,$D, 1, 3, $X); $this->ROUND2($D,$A,$B,$C, 5, 5, $X);
+			$this->ROUND2($C,$D,$A,$B, 9, 9, $X); $this->ROUND2($B,$C,$D,$A, 13, 13, $X);
+			$this->ROUND2($A,$B,$C,$D, 2, 3, $X); $this->ROUND2($D,$A,$B,$C, 6, 5, $X);
+			$this->ROUND2($C,$D,$A,$B, 10, 9, $X); $this->ROUND2($B,$C,$D,$A, 14, 13, $X);
+			$this->ROUND2($A,$B,$C,$D, 3, 3, $X); $this->ROUND2($D,$A,$B,$C, 7, 5, $X);
+			$this->ROUND2($C,$D,$A,$B, 11, 9, $X); $this->ROUND2($B,$C,$D,$A, 15, 13, $X);
+			$this->ROUND3($A,$B,$C,$D, 0, 3, $X); $this->ROUND3($D,$A,$B,$C, 8, 9, $X);
+			$this->ROUND3($C,$D,$A,$B, 4, 11, $X); $this->ROUND3($B,$C,$D,$A, 12, 15, $X);
+			$this->ROUND3($A,$B,$C,$D, 2, 3, $X); $this->ROUND3($D,$A,$B,$C, 10, 9, $X);
+			$this->ROUND3($C,$D,$A,$B, 6, 11, $X); $this->ROUND3($B,$C,$D,$A, 14, 15, $X);
+			$this->ROUND3($A,$B,$C,$D, 1, 3, $X); $this->ROUND3($D,$A,$B,$C, 9, 9, $X);
+			$this->ROUND3($C,$D,$A,$B, 5, 11, $X); $this->ROUND3($B,$C,$D,$A, 13, 15, $X);
+			$this->ROUND3($A,$B,$C,$D, 3, 3, $X); $this->ROUND3($D,$A,$B,$C, 11, 9, $X);
+			$this->ROUND3($C,$D,$A,$B, 7, 11, $X); $this->ROUND3($B,$C,$D,$A, 15, 15, $X);
+
+			$A = $this->add32(array($A, $AA)); $B = $this->add32(array($B, $BB));
+			$C = $this->add32(array($C, $CC)); $D = $this->add32(array($D, $DD));
+		}
+
+		# Needed? because perl seems to choke on overflowing when doing bitwise
+		# operations on numbers larger than 32 bits. Well, it did on my machine =)
+
+		function add32($v)
+		{
+			$sum = array();
+			for($i = 0; $i < sizeof($v); $i++)
+			{
+				$v[$i] = array($this->unsigned_shift_r(($v[$i]&0xffff0000), 16), ($v[$i]&0xffff));
+			}
+			for($i = 0; $i < sizeof($v); $i++)
+			{
+				@$sum[0] += $v[$i][0];
+				@$sum[1] += $v[$i][1];
+			}
+			$sum[0] += ($sum[1]&0xffff0000)>>16;
+			$sum[1] &= 0xffff;
+			$sum[0] &= 0xffff;
+			$ret = ($sum[0]<<16) | $sum[1];
+			return $ret;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:ROUND1
+
+		function ROUND1(&$a,$b,$c,$d,$k,$s,$X)
+		{
+			$a = $this->md4lshift($this->add32(array($a, $this->F($b,$c,$d), $X[$k])), $s);
+			return $a;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:ROUND2
+
+		function ROUND2(&$a,$b,$c,$d,$k,$s,$X)
+		{
+			$a = $this->md4lshift($this->add32(array($a, $this->G($b,$c,$d), $X[$k] + 0x5A827999)), $s);
+			return $a;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:ROUND3
+
+		function ROUND3(&$a,$b,$c,$d,$k,$s,$X)
+		{
+			$a = $this->md4lshift($this->add32(array($a + $this->H($b,$c,$d) + $X[$k] + 0x6ED9EBA1)), $s);
+			return $a;
+		}
+
+		# Ported from SAMBA/source/lib/md4.c:lshift
+		# Renamed to prevent clash with SAMBA/source/libsmb/smbdes.c:lshift
+
+		function md4lshift($x, $s)
+		{
+			$x &= 0xFFFFFFFF;
+			return((($x<<$s)&0xFFFFFFFF) | $this->unsigned_shift_r($x, (32-$s)));
+		}
+
+		/**
+		* Unsigned shift operation for 32bit values.
+		*
+		* PHP 4 only supports signed shifts by default.
+		*/
+		function unsigned_shift_r($a, $b)
+		{
+			$z = 0x80000000;
+			if($z & $a)
+			{
+				$a = ($a >> 1);
+				$a &= (~$z);
+				$a |= 0x40000000;
+				$a = ($a >> ($b - 1));
+			}
+			else
+			{
+				$a = ($a >> $b);
+			}
+			return $a;
+		}
+	}
+?>