blob: 421bbeba3d04a15a53d743b4e750a8012ab45a6f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <biginteger.hxx>
#include <xmlsec-wrapper.h>
#include <com/sun/star/uno/Sequence.hxx>
using namespace ::com::sun::star::uno ;
namespace xmlsecurity
{
Sequence< sal_Int8 > numericStringToBigInteger ( const OUString& numeral )
{
xmlChar* chNumeral ;
const xmlSecByte* bnInteger ;
xmlSecSize length ;
xmlSecBn bn ;
OString onumeral = OUStringToOString( numeral , RTL_TEXTENCODING_ASCII_US ) ;
chNumeral = xmlStrndup( reinterpret_cast<const xmlChar*>(onumeral.getStr()), static_cast<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 == nullptr ) {
xmlSecBnFinalize( &bn ) ;
return Sequence< sal_Int8 >();
}
Sequence< sal_Int8 > integer( length ) ;
for( xmlSecSize i = 0 ; i < length ; i ++ )
{
integer[i] = *( bnInteger + i ) ;
}
xmlSecBnFinalize( &bn ) ;
return integer ;
}
OUString bigIntegerToNumericString ( const Sequence< sal_Int8 >& integer )
{
OUString aRet ;
if( integer.getLength() ) {
xmlSecBn bn ;
xmlChar* chNumeral ;
if( xmlSecBnInitialize( &bn, 0 ) < 0 )
return aRet ;
if( xmlSecBnSetData( &bn, reinterpret_cast<const unsigned char*>(integer.getConstArray()), integer.getLength() ) < 0 ) {
xmlSecBnFinalize( &bn ) ;
return aRet ;
}
chNumeral = xmlSecBnToDecString( &bn ) ;
if( chNumeral == nullptr ) {
xmlSecBnFinalize( &bn ) ;
return aRet ;
}
aRet = OUString::createFromAscii( reinterpret_cast<char*>(chNumeral) ) ;
xmlSecBnFinalize( &bn ) ;
xmlFree( chNumeral ) ;
}
return aRet ;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
