130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: biginteger.cxx,v $
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*
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* $Revision: 1.6 $
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*
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* last change: $Author: ihi $ $Date: 2007-04-17 10:22:02 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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 <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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