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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /xmlsecurity/source/xmlsec/biginteger.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xmlsecurity/source/xmlsec/biginteger.cxx')
-rw-r--r-- | xmlsecurity/source/xmlsec/biginteger.cxx | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/xmlsecurity/source/xmlsec/biginteger.cxx b/xmlsecurity/source/xmlsec/biginteger.cxx new file mode 100644 index 000000000..0bfcbd326 --- /dev/null +++ b/xmlsecurity/source/xmlsec/biginteger.cxx @@ -0,0 +1,108 @@ +/* -*- 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.hasElements() ) { + 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: */ |