126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_xmlsecurity.hxx"
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#include <xmlsecurity/biginteger.hxx>
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#include <sal/types.h>
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//For reasons that escape me, this is what xmlsec does when size_t is not 4
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#if SAL_TYPES_SIZEOFPOINTER != 4
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# define XMLSEC_NO_SIZE_T
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#endif
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#include <xmlsec/xmlsec.h>
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#include <xmlsec/bn.h>
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#include <com/sun/star/uno/Sequence.hxx>
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using namespace ::com::sun::star::uno ;
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using ::rtl::OUString ;
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Sequence< sal_Int8 > numericStringToBigInteger ( OUString numeral )
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{
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if( numeral.getStr() != NULL )
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{
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xmlChar* chNumeral ;
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const xmlSecByte* bnInteger ;
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xmlSecSize length ;
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xmlSecBn bn ;
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rtl::OString onumeral = rtl::OUStringToOString( numeral , RTL_TEXTENCODING_ASCII_US ) ;
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chNumeral = xmlStrndup( ( const xmlChar* )onumeral.getStr(), ( int )onumeral.getLength() ) ;
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if( xmlSecBnInitialize( &bn, 0 ) < 0 ) {
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xmlFree( chNumeral ) ;
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return Sequence< sal_Int8 >();
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}
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if( xmlSecBnFromDecString( &bn, chNumeral ) < 0 ) {
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xmlFree( chNumeral ) ;
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xmlSecBnFinalize( &bn ) ;
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return Sequence< sal_Int8 >();
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}
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xmlFree( chNumeral ) ;
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length = xmlSecBnGetSize( &bn ) ;
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if( length <= 0 ) {
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xmlSecBnFinalize( &bn ) ;
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return Sequence< sal_Int8 >();
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}
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bnInteger = xmlSecBnGetData( &bn ) ;
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if( bnInteger == NULL ) {
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xmlSecBnFinalize( &bn ) ;
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return Sequence< sal_Int8 >();
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}
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Sequence< sal_Int8 > integer( length ) ;
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for( unsigned int i = 0 ; i < length ; i ++ )
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{
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integer[i] = *( bnInteger + i ) ;
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}
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xmlSecBnFinalize( &bn ) ;
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return integer ;
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}
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return Sequence< sal_Int8 >();
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}
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OUString bigIntegerToNumericString ( Sequence< sal_Int8 > integer )
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{
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OUString aRet ;
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if( integer.getLength() ) {
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xmlSecBn bn ;
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xmlChar* chNumeral ;
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if( xmlSecBnInitialize( &bn, 0 ) < 0 )
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return aRet ;
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if( xmlSecBnSetData( &bn, ( const unsigned char* )&integer[0], integer.getLength() ) < 0 ) {
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xmlSecBnFinalize( &bn ) ;
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return aRet ;
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}
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chNumeral = xmlSecBnToDecString( &bn ) ;
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if( chNumeral == NULL ) {
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xmlSecBnFinalize( &bn ) ;
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return aRet ;
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}
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aRet = OUString::createFromAscii( ( const char* )chNumeral ) ;
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xmlSecBnFinalize( &bn ) ;
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xmlFree( chNumeral ) ;
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}
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return aRet ;
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}
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