xmlsecurity/source/xmlsec/nss/ciphercontext.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <com/sun/star/xml/crypto/XCipherContext.hpp>
  23
  24 #include <cppuhelper/implbase.hxx>
  25 #include <mutex>
  26 #include <seccomon.h>
  27 #include <secmodt.h>
  28
  29 class OCipherContext : public cppu::WeakImplHelper< css::xml::crypto::XCipherContext >
  30 {
  31 private:
  32     std::mutex m_aMutex;
  33
  34     PK11SlotInfo* m_pSlot;
  35     PK11SymKey* m_pSymKey;
  36     SECItem* m_pSecParam;
  37     PK11Context* m_pContext;
  38
  39     sal_Int32 m_nBlockSize;
  40     css::uno::Sequence< sal_Int8 > m_aLastBlock;
  41     css::uno::Sequence<sal_Int8> m_AESGCMIV;
  42
  43     bool m_bEncryption;
  44     bool m_bPadding;
  45     bool m_bW3CPadding;
  46     sal_Int64 m_nConverted;
  47
  48     bool m_bDisposed;
  49     bool m_bBroken;
  50
  51     void Dispose();
  52
  53     OCipherContext()
  54     : m_pSlot( nullptr )
  55     , m_pSymKey( nullptr )
  56     , m_pSecParam( nullptr )
  57     , m_pContext( nullptr )
  58     , m_nBlockSize( 0 )
  59     , m_bEncryption( false )
  60     , m_bPadding( false )
  61     , m_bW3CPadding( false )
  62     , m_nConverted( 0 )
  63     , m_bDisposed( false )
  64     , m_bBroken( false )
  65     {}
  66
  67 public:
  68
  69     virtual ~OCipherContext() override
  70     {
  71         Dispose();
  72     }
  73
  74     static css::uno::Reference< css::xml::crypto::XCipherContext > Create( CK_MECHANISM_TYPE nNSSCipherID, const css::uno::Sequence< ::sal_Int8 >& aKey, const css::uno::Sequence< ::sal_Int8 >& aInitializationVector, bool bEncryption, bool bW3CPadding );
  75
  76     // XCipherContext
  77     virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL convertWithCipherContext( const css::uno::Sequence< ::sal_Int8 >& aData ) override;
  78     virtual css::uno::Sequence< ::sal_Int8 > SAL_CALL finalizeCipherContextAndDispose(  ) override;
  79 };
  80
  81 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */