Index: topia-security/src/java/org/codelutin/topia/security/entities/user/TopiaUserImpl.java
diff -u /dev/null topia-security/src/java/org/codelutin/topia/security/entities/user/TopiaUserImpl.java:1.1
--- /dev/null	Wed Sep 13 08:45:16 2006
+++ topia-security/src/java/org/codelutin/topia/security/entities/user/TopiaUserImpl.java	Wed Sep 13 08:45:10 2006
@@ -0,0 +1,34 @@
+package org.codelutin.topia.security.entities.user;
+
+import static org.codelutin.topia.security.TopiaSecurityUtil.hash;
+
+import org.codelutin.topia.security.entities.user.TopiaUser;
+import org.codelutin.topia.security.entities.user.TopiaUserAbstract;
+
+public class TopiaUserImpl extends TopiaUserAbstract implements TopiaUser {
+
+    private static final long serialVersionUID = 1L;
+
+    public boolean isCorrectPassword(String password) {
+        if (this.password == null) {
+            if (password != null) {
+                return false;
+            }
+        } else if (!this.password.equals(hash(password))) {
+            return false;
+        }
+        return true;
+    }
+
+    public void setPassword(String newPassword) {
+        password = hash(newPassword);
+    }
+
+    public void setPassword(String oldPassword, String newPassword) {
+        if (!isCorrectPassword(oldPassword)) {
+            return;
+        }
+        setPassword(newPassword);
+    }
+
+}