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/* -*- 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 <sal/config.h>
#include <com/sun/star/lang/DisposedException.hpp>
#include <pk11pub.h>
#include "digestcontext.hxx"
using namespace ::com::sun::star;
ODigestContext::~ODigestContext()
{
if ( m_pContext )
{
PK11_DestroyContext( m_pContext, PR_TRUE );
m_pContext = nullptr;
}
}
void SAL_CALL ODigestContext::updateDigest( const uno::Sequence< ::sal_Int8 >& aData )
{
std::scoped_lock aGuard( m_aMutex );
if ( m_bBroken )
throw uno::RuntimeException();
if ( m_bDisposed )
throw lang::DisposedException();
if (m_b1KData && m_nDigested >= 1024)
return;
uno::Sequence< sal_Int8 > aToDigest = aData;
if ( m_b1KData && m_nDigested + aData.getLength() > 1024 )
aToDigest.realloc( 1024 - m_nDigested );
if ( PK11_DigestOp( m_pContext, reinterpret_cast< const unsigned char* >( aToDigest.getConstArray() ), aToDigest.getLength() ) != SECSuccess )
{
PK11_DestroyContext( m_pContext, PR_TRUE );
m_pContext = nullptr;
m_bBroken = true;
throw uno::RuntimeException();
}
m_nDigested += aToDigest.getLength();
}
uno::Sequence< ::sal_Int8 > SAL_CALL ODigestContext::finalizeDigestAndDispose()
{
std::scoped_lock aGuard( m_aMutex );
if ( m_bBroken )
throw uno::RuntimeException();
if ( m_bDisposed )
throw lang::DisposedException();
uno::Sequence< sal_Int8 > aResult( m_nDigestLength );
unsigned int nResultLen = 0;
if ( PK11_DigestFinal( m_pContext, reinterpret_cast< unsigned char* >( aResult.getArray() ), &nResultLen, aResult.getLength() ) != SECSuccess )
{
PK11_DestroyContext( m_pContext, PR_TRUE );
m_pContext = nullptr;
m_bBroken = true;
throw uno::RuntimeException();
}
PK11_DestroyContext( m_pContext, PR_TRUE );
m_pContext = nullptr;
m_bDisposed = true;
aResult.realloc( nResultLen );
return aResult;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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