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-rw-r--r--xmlsecurity/source/xmlsec/nss/digestcontext.cxx94
1 files changed, 94 insertions, 0 deletions
diff --git a/xmlsecurity/source/xmlsec/nss/digestcontext.cxx b/xmlsecurity/source/xmlsec/nss/digestcontext.cxx
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index 000000000..63c128e70
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+++ b/xmlsecurity/source/xmlsec/nss/digestcontext.cxx
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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: */