1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_xmlsecurity.hxx" 30 31 #include <xmlsecurity/biginteger.hxx> 32 33 #include <sal/types.h> 34 //For reasons that escape me, this is what xmlsec does when size_t is not 4 35 #if SAL_TYPES_SIZEOFPOINTER != 4 36 # define XMLSEC_NO_SIZE_T 37 #endif 38 #include <xmlsec/xmlsec.h> 39 #include <xmlsec/bn.h> 40 #include <com/sun/star/uno/Sequence.hxx> 41 42 using namespace ::com::sun::star::uno ; 43 using ::rtl::OUString ; 44 45 Sequence< sal_Int8 > numericStringToBigInteger ( OUString numeral ) 46 { 47 if( numeral.getStr() != NULL ) 48 { 49 xmlChar* chNumeral ; 50 const xmlSecByte* bnInteger ; 51 xmlSecSize length ; 52 xmlSecBn bn ; 53 54 rtl::OString onumeral = rtl::OUStringToOString( numeral , RTL_TEXTENCODING_ASCII_US ) ; 55 56 chNumeral = xmlStrndup( ( const xmlChar* )onumeral.getStr(), ( int )onumeral.getLength() ) ; 57 58 if( xmlSecBnInitialize( &bn, 0 ) < 0 ) { 59 xmlFree( chNumeral ) ; 60 return Sequence< sal_Int8 >(); 61 } 62 63 if( xmlSecBnFromDecString( &bn, chNumeral ) < 0 ) { 64 xmlFree( chNumeral ) ; 65 xmlSecBnFinalize( &bn ) ; 66 return Sequence< sal_Int8 >(); 67 } 68 69 xmlFree( chNumeral ) ; 70 71 length = xmlSecBnGetSize( &bn ) ; 72 if( length <= 0 ) { 73 xmlSecBnFinalize( &bn ) ; 74 return Sequence< sal_Int8 >(); 75 } 76 77 bnInteger = xmlSecBnGetData( &bn ) ; 78 if( bnInteger == NULL ) { 79 xmlSecBnFinalize( &bn ) ; 80 return Sequence< sal_Int8 >(); 81 } 82 83 Sequence< sal_Int8 > integer( length ) ; 84 for( unsigned int i = 0 ; i < length ; i ++ ) 85 { 86 integer[i] = *( bnInteger + i ) ; 87 } 88 89 xmlSecBnFinalize( &bn ) ; 90 return integer ; 91 } 92 93 return Sequence< sal_Int8 >(); 94 } 95 96 OUString bigIntegerToNumericString ( Sequence< sal_Int8 > integer ) 97 { 98 OUString aRet ; 99 100 if( integer.getLength() ) { 101 xmlSecBn bn ; 102 xmlChar* chNumeral ; 103 104 if( xmlSecBnInitialize( &bn, 0 ) < 0 ) 105 return aRet ; 106 107 if( xmlSecBnSetData( &bn, ( const unsigned char* )&integer[0], integer.getLength() ) < 0 ) { 108 xmlSecBnFinalize( &bn ) ; 109 return aRet ; 110 } 111 112 chNumeral = xmlSecBnToDecString( &bn ) ; 113 if( chNumeral == NULL ) { 114 xmlSecBnFinalize( &bn ) ; 115 return aRet ; 116 } 117 118 aRet = OUString::createFromAscii( ( const char* )chNumeral ) ; 119 120 xmlSecBnFinalize( &bn ) ; 121 xmlFree( chNumeral ) ; 122 } 123 124 return aRet ; 125 } 126 127