office-gobmx/xmlsecurity/source/xmlsec/biginteger.cxx
Sebastian Spaeth ead7290449 Add vim/emacs modelines to all source files
Fixes #fdo30794
Based on bin/add-modelines script (originally posted in mail
1286706307.1871.1399280959@webmail.messagingengine.com)

Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
2010-10-13 10:57:23 +02:00

128 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// 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: */