diff --git a/lam/HISTORY b/lam/HISTORY
index e2e5d3a6..4a7d1f4a 100644
--- a/lam/HISTORY
+++ b/lam/HISTORY
@@ -1,4 +1,6 @@
 August 2008 2.4.0
+  - requires PHP 5.1.2
+  - MHash dependendy replaced by Hash
   - save last selected server profile from login page
   - lamdaemon: allow to specify SSH port
   - lamdaemon: added Syslog logging
diff --git a/lam/INSTALL b/lam/INSTALL
index a4dc2cd6..e6149929 100644
--- a/lam/INSTALL
+++ b/lam/INSTALL
@@ -13,7 +13,6 @@ Installation Instructions for LAM
    - OpenLDAP (>2.0)
    - A web browser :-)
 
-   MHash is only needed for Samba password hashes.
    MCrypt will be used to store your LDAP password encrypted in the session file.
 
 
diff --git a/lam/docs/devel/login.htm b/lam/docs/devel/login.htm
index 2a03512a..8211cc57 100644
--- a/lam/docs/devel/login.htm
+++ b/lam/docs/devel/login.htm
@@ -56,8 +56,6 @@ LAM checks if all needed PHP extensions are installed.<br>
 <ul>
   <li><span style="font-weight: bold;">LDAP:</span> PHP needs LDAP
 support</li>
-  <li><span style="font-weight: bold;">MHash:</span> needed for
-password creation</li>
   <li><span style="font-weight: bold;">Gettext:</span> needed for
 translation<br>
   </li>
diff --git a/lam/docs/devel/mod_ext.htm b/lam/docs/devel/mod_ext.htm
index c36276c9..3df5c698 100644
--- a/lam/docs/devel/mod_ext.htm
+++ b/lam/docs/devel/mod_ext.htm
@@ -22,7 +22,7 @@ this for you and display an error message at the login page.<br>
  style="font-weight: bold; text-decoration: underline;">
 <br>
 The <span style="font-style: italic;">posixAccount</span> module needs
-to generate password hashes. Therefore it needs the MHash extension.<br>
+to generate password hashes. Therefore it needs the Hash extension.<br>
 <br>
 <table style="width: 100%; text-align: left;" class="mod-code"
  border="0" cellpadding="2" cellspacing="2">
@@ -39,7 +39,7 @@ get_metaData() {<br>
 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; $return = array();<br>
 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; // PHP extensions<br>
 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;$return["extensions"] =
-array("mhash");<br>
+array("hash");<br>
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [...]<br>
       </td>
     </tr>
diff --git a/lam/lib/baseModule.inc b/lam/lib/baseModule.inc
index 173cc493..0575dfbc 100644
--- a/lam/lib/baseModule.inc
+++ b/lam/lib/baseModule.inc
@@ -334,7 +334,7 @@ abstract class baseModule {
 	* <b>Key:</b> extensions<br>
 	* <b>Value:</b> array of extension names<br>
 	* <br>
-	* <b>Example:</b> "extensions" => array('mhash')
+	* <b>Example:</b> "extensions" => array('hash')
 	* <br><br>
 	* </li>
 	* 
@@ -1142,7 +1142,7 @@ abstract class baseModule {
 	}
 
 	/**
-	 * This function returns a list of PHP extensions (e.g. mhash) which are needed by this module.
+	 * This function returns a list of PHP extensions (e.g. hash) which are needed by this module.
 	 * 
 	 * Calling this method does not require the existence of an enclosing {@link accountContainer}.
 	 *
diff --git a/lam/lib/createntlm.inc b/lam/lib/createntlm.inc
index 9784f4cf..4a9a1413 100644
--- a/lam/lib/createntlm.inc
+++ b/lam/lib/createntlm.inc
@@ -349,7 +349,7 @@ private $sbox = array(array(array(14,  4, 13,  1,  2, 15, 11,  8,  3, 10,  6, 12
 	* @return string hash value
 	*/
 	public function nthash($password = "") {
-		return strtoupper(bin2hex(mhash(MHASH_MD4, iconv("UTF-8","UTF-16LE",$password))));
+		return strtoupper(hash('md4', iconv("UTF-8","UTF-16LE",$password)));
 	}
 
 	/**
diff --git a/lam/lib/modules/sambaAccount.inc b/lam/lib/modules/sambaAccount.inc
index e463ed7b..caf410eb 100644
--- a/lam/lib/modules/sambaAccount.inc
+++ b/lam/lib/modules/sambaAccount.inc
@@ -116,7 +116,7 @@ class sambaAccount extends baseModule {
 			'kickoffTime', 'pwdCanChange', 'pwdMustChange', 'acctFlags', 'displayName', 'smbHome', 'homeDrive',
 			'scriptPath', 'profilePath', 'userWorkstations', 'primaryGroupID', 'domain');
 		// PHP extensions
-		$return['extensions'] = array('mhash', 'iconv');
+		$return['extensions'] = array('hash', 'iconv');
 		// profile options
 		if ($this->get_scope() == 'user') {
 			// set Unix password for Samba
diff --git a/lam/lib/modules/sambaSamAccount.inc b/lam/lib/modules/sambaSamAccount.inc
index b60abb28..9d1d30b8 100644
--- a/lam/lib/modules/sambaSamAccount.inc
+++ b/lam/lib/modules/sambaSamAccount.inc
@@ -141,7 +141,7 @@ class sambaSamAccount extends baseModule {
 			'displayName', 'sambaHomePath', 'sambaHomeDrive', 'sambaLogonScript', 'sambaProfilePath',
 			'sambaUserWorkstations', 'sambaPrimaryGroupSID', 'sambaDomainName', 'sambaLogonHours', 'sambaMungedDial');
 		// PHP extensions
-		$return['extensions'] = array('mhash', 'iconv');
+		$return['extensions'] = array('hash', 'iconv');
 		// profile checks
 		$return['profile_checks']['sambaSamAccount_smbhome'] = array(
 			'type' => 'ext_preg',