--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/satsa/crypto/javasrc/java/security/MessageDigest.java	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,71 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+package java.security;
+
+import com.nokia.mj.impl.security.MessageDigestImpl;
+import java.security.PrivMessageDigestImpl;
+
+/**
+ * Refer JSR-177 Specification for details
+ */
+public abstract class MessageDigest
+{
+
+    // MessageDigest implementation
+    private MessageDigestImpl iDigest;
+
+    // Package private constructor.
+    MessageDigest(MessageDigestImpl aDigest)
+    {
+        iDigest = aDigest;
+    }
+
+    /**
+    * Refer JSR-177 Specification for details
+    */
+    static public MessageDigest getInstance(String aAlgorithm)
+    throws NoSuchAlgorithmException
+    {
+        MessageDigestImpl digest = new MessageDigestImpl(aAlgorithm);
+        return new PrivMessageDigestImpl(digest);
+    }
+
+    /**
+    * Refer JSR-177 Specification for details
+    */
+    public int digest(byte[] aBuf, int aOffset, int aLength)
+    throws DigestException
+    {
+        return iDigest.digest(aBuf, aOffset, aLength);
+    }
+
+    // Resets the digest for further use.
+    public void reset()
+    {
+        iDigest.reset();
+    }
+
+    /**
+    * Refer JSR-177 Specification for details
+    */
+    public void update(byte[] aInput, int aOffset, int aLength)
+    {
+        iDigest.update(aInput, aOffset, aLength);
+    }
+}