1 files changed, 128 insertions, 0 deletions
diff --git a/xmlsecurity/source/xmlsec/biginteger.cxx b/xmlsecurity/source/xmlsec/biginteger.cxx
new file mode 100644
index 000000000000..100708938cdb
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+++ b/xmlsecurity/source/xmlsec/biginteger.cxx
@@ -0,0 +1,128 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_xmlsecurity.hxx"
+
+#include <xmlsecurity/biginteger.hxx>
+
+#include <sal/types.h>
+//For reasons that escape me, this is what xmlsec does when size_t is not 4
+#if SAL_TYPES_SIZEOFPOINTER != 4
+#    define XMLSEC_NO_SIZE_T
+#endif
+#include <xmlsec/xmlsec.h>
+#include <xmlsec/bn.h>
+#include <com/sun/star/uno/Sequence.hxx>
+
+using namespace ::com::sun::star::uno ;
+using ::rtl::OUString ;
+
+Sequence< sal_Int8 > numericStringToBigInteger ( OUString numeral )
+{
+    if( numeral.getStr() != NULL )
+    {
+        xmlChar* chNumeral ;
+        const xmlSecByte* bnInteger ;
+        xmlSecSize length ;
+        xmlSecBn bn ;
+
+        rtl::OString onumeral = rtl::OUStringToOString( numeral , RTL_TEXTENCODING_ASCII_US ) ;
+
+        chNumeral = xmlStrndup( ( const xmlChar* )onumeral.getStr(), ( int )onumeral.getLength() ) ;
+
+        if( xmlSecBnInitialize( &bn, 0 ) < 0 ) {
+            xmlFree( chNumeral ) ;
+            return Sequence< sal_Int8 >();
+        }
+
+        if( xmlSecBnFromDecString( &bn, chNumeral ) < 0 ) {
+            xmlFree( chNumeral ) ;
+            xmlSecBnFinalize( &bn ) ;
+            return Sequence< sal_Int8 >();
+        }
+
+        xmlFree( chNumeral ) ;
+
+        length = xmlSecBnGetSize( &bn ) ;
+        if( length <= 0 ) {
+            xmlSecBnFinalize( &bn ) ;
+            return Sequence< sal_Int8 >();
+        }
+
+        bnInteger = xmlSecBnGetData( &bn ) ;
+        if( bnInteger == NULL ) {
+            xmlSecBnFinalize( &bn ) ;
+            return Sequence< sal_Int8 >();
+        }
+
+        Sequence< sal_Int8 > integer( length ) ;
+        for( unsigned int i = 0 ; i < length ; i ++ )
+        {
+            integer[i] = *( bnInteger + i ) ;
+        }
+
+        xmlSecBnFinalize( &bn ) ;
+        return integer ;
+    }
+
+    return Sequence< sal_Int8 >();
+}
+
+OUString bigIntegerToNumericString ( Sequence< sal_Int8 > integer )
+{
+    OUString aRet ;
+
+    if( integer.getLength() ) {
+        xmlSecBn bn ;
+        xmlChar* chNumeral ;
+
+        if( xmlSecBnInitialize( &bn, 0 ) < 0 )
+            return aRet ;
+
+        if( xmlSecBnSetData( &bn, ( const unsigned char* )&integer[0], integer.getLength() ) < 0 ) {
+            xmlSecBnFinalize( &bn ) ;
+            return aRet ;
+        }
+
+        chNumeral = xmlSecBnToDecString( &bn ) ;
+        if( chNumeral == NULL ) {
+            xmlSecBnFinalize( &bn ) ;
+            return aRet ;
+        }
+
+        aRet = OUString::createFromAscii( ( const char* )chNumeral ) ;
+
+        xmlSecBnFinalize( &bn ) ;
+        xmlFree( chNumeral ) ;
+    }
+
+    return aRet ;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */