package/source/zipapi/sha1context.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #include <rtl/digest.h>
  21 #include <rtl/ref.hxx>
  22
  23 #include "sha1context.hxx"
  24
  25 using namespace ::com::sun::star;
  26
  27 // static
  28 uno::Reference< xml::crypto::XDigestContext > SHA1DigestContext::Create()
  29 {
  30     ::rtl::Reference< SHA1DigestContext > xResult = new SHA1DigestContext();
  31     xResult->m_pDigest = rtl_digest_createSHA1();
  32     if ( !xResult->m_pDigest )
  33         throw uno::RuntimeException("Can not create cipher!" );
  34
  35     return uno::Reference< xml::crypto::XDigestContext >( xResult.get() );
  36 }
  37
  38 SHA1DigestContext::~SHA1DigestContext()
  39 {
  40     if ( m_pDigest )
  41     {
  42         rtl_digest_destroySHA1( m_pDigest );
  43         m_pDigest = NULL;
  44     }
  45 }
  46
  47 void SAL_CALL SHA1DigestContext::updateDigest( const uno::Sequence< ::sal_Int8 >& aData )
  48     throw( lang::DisposedException, uno::RuntimeException, std::exception )
  49 {
  50     ::osl::MutexGuard aGuard( m_aMutex );
  51     if ( !m_pDigest )
  52         throw lang::DisposedException();
  53
  54     if ( rtl_Digest_E_None != rtl_digest_updateSHA1( m_pDigest, aData.getConstArray(), aData.getLength() ) )
  55     {
  56         rtl_digest_destroySHA1( m_pDigest );
  57         m_pDigest = NULL;
  58
  59         throw uno::RuntimeException();
  60     }
  61 }
  62
  63 uno::Sequence< ::sal_Int8 > SAL_CALL SHA1DigestContext::finalizeDigestAndDispose()
  64     throw( lang::DisposedException, uno::RuntimeException, std::exception )
  65 {
  66     ::osl::MutexGuard aGuard( m_aMutex );
  67     if ( !m_pDigest )
  68         throw lang::DisposedException();
  69
  70     uno::Sequence< sal_Int8 > aResult( RTL_DIGEST_LENGTH_SHA1 );
  71     if ( rtl_Digest_E_None != rtl_digest_getSHA1( m_pDigest, reinterpret_cast< sal_uInt8* >( aResult.getArray() ), aResult.getLength() ) )
  72     {
  73         rtl_digest_destroySHA1( m_pDigest );
  74         m_pDigest = NULL;
  75
  76         throw uno::RuntimeException();
  77     }
  78
  79     rtl_digest_destroySHA1( m_pDigest );
  80     m_pDigest = NULL;
  81
  82     return aResult;
  83 }
  84
  85 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */