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diff --git a/offapi/com/sun/star/xml/crypto/XDigestContext.idl b/offapi/com/sun/star/xml/crypto/XDigestContext.idl
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef __com_sun_star_xml_crypto_xdigestcontext_idl_
+#define __com_sun_star_xml_crypto_xdigestcontext_idl_
+
+#ifndef __com_sun_star_uno_XInterface_idl__
+#include <com/sun/star/uno/XInterface.idl>
+#endif
+
+#ifndef __com_sun_star_lang_DisposedException_idl__
+#include <com/sun/star/lang/DisposedException.idl>
+#endif
+
+//============================================================================
+
+ module com {  module sun {  module star {  module xml { module crypto {
+
+//============================================================================
+/** This interface allows to generate the digest.
+    <p>
+    The algorithm to generate the digest is specified on object creation.
+    </p>
+
+    @see <type>XDigestContextSupplier</type>
+    @since OOo 3.4
+ */
+interface XDigestContext : com::sun::star::uno::XInterface
+{
+    //------------------------------------------------------------------------
+    /** update the digest with the given data.
+
+        @param aData
+            data that should be used to update the digest
+     */
+    void updateDigest( [in] sequence< byte > aData )
+        raises( ::com::sun::star::lang::DisposedException );
+
+    //------------------------------------------------------------------------
+    /** finalizes digest and disposes context.
+     */
+    sequence<byte> finalizeDigestAndDispose()
+        raises( ::com::sun::star::lang::DisposedException );
+};
+
+//============================================================================
+
+}; }; }; }; };
+
+#endif
+