Index: topia-security/src/java/org/codelutin/topia/security/TopiaSecurityUtil.java
diff -u topia-security/src/java/org/codelutin/topia/security/TopiaSecurityUtil.java:1.3 topia-security/src/java/org/codelutin/topia/security/TopiaSecurityUtil.java:1.4
--- topia-security/src/java/org/codelutin/topia/security/TopiaSecurityUtil.java:1.3	Thu Sep 14 13:41:59 2006
+++ topia-security/src/java/org/codelutin/topia/security/TopiaSecurityUtil.java	Thu Sep 14 17:32:45 2006
@@ -24,10 +24,10 @@
 * Created: 15 févr. 2006
 *
 * @author Arnaud Thimel <thimel@codelutin.com>
-* @version $Revision: 1.3 $
+* @version $Revision: 1.4 $
 *
-* Mise a jour: $Date: 2006/09/14 13:41:59 $
-* par : $Author: ruchaud $
+* Mise a jour: $Date: 2006/09/14 17:32:45 $
+* par : $Author: bpoussin $
 */
 
 package org.codelutin.topia.security;
@@ -36,12 +36,17 @@
 import java.security.NoSuchAlgorithmException;
 import java.util.StringTokenizer;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.codelutin.topia.security.jaas.TopiaLoginModule;
 
 import sun.misc.BASE64Encoder;
 
 public class TopiaSecurityUtil {
 
+    /** to use log facility, just put in your code: log.info(\"...\"); */
+    static private Log log = LogFactory.getLog(TopiaSecurityUtil.class);
+    
     public static final int LOAD = 0x1;
     public static final String LOAD_TEXT = "LOAD";
     public static final int CREATE = 0x2;
@@ -55,13 +60,18 @@
 
     public static final String TOPIA_LOGIN_MODULE = TopiaLoginModule.class.getName();
 
+    public static String hash(String msg) {
+        return digestSHAHex(msg);
+    }
+        
+    
     /**
      * Applique un algorithme de hashage sur la chaine de caratère passée en
      * paramètre
      * @param msg la chaine de caratère sur laquelle on veut opérer le hashage
      * @return La chaine de caractère une fois l'algorithme appliqué
      */
-    public static String hash(String msg) {
+    public static String digestSHABase64(String msg) {
         if (msg == null) {
             return null;
         }
@@ -76,6 +86,36 @@
             return msg;
         }
     }
+    
+    /**
+     * Fait le checksum SHA de la chaine de caractere le resultat est retourne
+     * sous forme de chaine Hexadecimal.
+     */
+     static public String digestSHAHex(String ch){
+         if(ch == null){
+             return null;
+         }
+         try{
+             MessageDigest md = MessageDigest.getInstance("SHA");
+             md.update(ch.getBytes());
+             byte[] digest = md.digest();
+
+             StringBuffer result = new StringBuffer();
+             for (int i=0; i < digest.length; i++) {
+                 String hex = Integer.toHexString(0xFF & digest[i]);
+                 if (hex.length() == 1) {
+                     result.append("0" + hex);
+                 } else {
+                     result.append(hex);
+                 }
+             }
+
+             return result.toString();
+         }catch(NoSuchAlgorithmException eee){
+             log.warn("Impossible de trouve l'algo SHA", eee);
+             return ch;
+         }
+     }
 
     /**
      * Transforme actions en un entier.