forked from amazingfate/loongoffice
91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svl/PasswordHelper.hxx>
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#include <rtl/digest.h>
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#include <boost/scoped_array.hpp>
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using namespace com::sun::star;
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void SvPasswordHelper::GetHashPassword(uno::Sequence<sal_Int8>& rPassHash, const sal_Char* pPass, sal_uInt32 nLen)
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{
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rPassHash.realloc(RTL_DIGEST_LENGTH_SHA1);
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rtlDigestError aError = rtl_digest_SHA1 (pPass, nLen, reinterpret_cast<sal_uInt8*>(rPassHash.getArray()), rPassHash.getLength());
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if (aError != rtl_Digest_E_None)
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{
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rPassHash.realloc(0);
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}
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}
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void SvPasswordHelper::GetHashPasswordLittleEndian(uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass)
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{
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sal_Int32 nSize(sPass.getLength());
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boost::scoped_array<sal_Char> pCharBuffer(new sal_Char[nSize * sizeof(sal_Unicode)]);
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for (sal_Int32 i = 0; i < nSize; ++i)
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{
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sal_Unicode ch(sPass[ i ]);
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pCharBuffer[2 * i] = static_cast< sal_Char >(ch & 0xFF);
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pCharBuffer[2 * i + 1] = static_cast< sal_Char >(ch >> 8);
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}
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GetHashPassword(rPassHash, pCharBuffer.get(), nSize * sizeof(sal_Unicode));
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}
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void SvPasswordHelper::GetHashPasswordBigEndian(uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass)
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{
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sal_Int32 nSize(sPass.getLength());
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boost::scoped_array<sal_Char> pCharBuffer(new sal_Char[nSize * sizeof(sal_Unicode)]);
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for (sal_Int32 i = 0; i < nSize; ++i)
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{
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sal_Unicode ch(sPass[ i ]);
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pCharBuffer[2 * i] = static_cast< sal_Char >(ch >> 8);
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pCharBuffer[2 * i + 1] = static_cast< sal_Char >(ch & 0xFF);
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}
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GetHashPassword(rPassHash, pCharBuffer.get(), nSize * sizeof(sal_Unicode));
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}
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void SvPasswordHelper::GetHashPassword(uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass)
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{
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GetHashPasswordLittleEndian(rPassHash, sPass);
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}
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bool SvPasswordHelper::CompareHashPassword(const uno::Sequence<sal_Int8>& rOldPassHash, const OUString& sNewPass)
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{
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bool bResult = false;
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uno::Sequence<sal_Int8> aNewPass(RTL_DIGEST_LENGTH_SHA1);
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GetHashPasswordLittleEndian(aNewPass, sNewPass);
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if (aNewPass == rOldPassHash)
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bResult = true;
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else
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{
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GetHashPasswordBigEndian(aNewPass, sNewPass);
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bResult = (aNewPass == rOldPassHash);
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}
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return bResult;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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