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.
   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
  21 #include <rtl/digest.h>
  22 #include <rtl/ref.hxx>
  23
  24 #include "sha1context.hxx"
  25
  26 using namespace ::com::sun::star;
  27
  28 // static
  29 uno::Reference< xml::crypto::XDigestContext > SHA1DigestContext::Create()
  30 {
  31     ::rtl::Reference< SHA1DigestContext > xResult = new SHA1DigestContext();
  32     xResult->m_pDigest = rtl_digest_createSHA1();
  33     if ( !xResult->m_pDigest )
  34         throw uno::RuntimeException("Can not create cipher!",
  35                                      uno::Reference< XInterface >() );
  36
  37     return uno::Reference< xml::crypto::XDigestContext >( xResult.get() );
  38 }
  39
  40 SHA1DigestContext::~SHA1DigestContext()
  41 {
  42     if ( m_pDigest )
  43     {
  44         rtl_digest_destroySHA1( m_pDigest );
  45         m_pDigest = NULL;
  46     }
  47 }
  48
  49 void SAL_CALL SHA1DigestContext::updateDigest( const uno::Sequence< ::sal_Int8 >& aData )
  50     throw( lang::DisposedException, uno::RuntimeException )
  51 {
  52     ::osl::MutexGuard aGuard( m_aMutex );
  53     if ( !m_pDigest )
  54         throw lang::DisposedException();
  55
  56     if ( rtl_Digest_E_None != rtl_digest_updateSHA1( m_pDigest, aData.getConstArray(), aData.getLength() ) )
  57     {
  58         rtl_digest_destroySHA1( m_pDigest );
  59         m_pDigest = NULL;
  60
  61         throw uno::RuntimeException();
  62     }
  63 }
  64
  65 uno::Sequence< ::sal_Int8 > SAL_CALL SHA1DigestContext::finalizeDigestAndDispose()
  66     throw( lang::DisposedException, uno::RuntimeException )
  67 {
  68     ::osl::MutexGuard aGuard( m_aMutex );
  69     if ( !m_pDigest )
  70         throw lang::DisposedException();
  71
  72     uno::Sequence< sal_Int8 > aResult( RTL_DIGEST_LENGTH_SHA1 );
  73     if ( rtl_Digest_E_None != rtl_digest_getSHA1( m_pDigest, reinterpret_cast< sal_uInt8* >( aResult.getArray() ), aResult.getLength() ) )
  74     {
  75         rtl_digest_destroySHA1( m_pDigest );
  76         m_pDigest = NULL;
  77
  78         throw uno::RuntimeException();
  79     }
  80
  81     rtl_digest_destroySHA1( m_pDigest );
  82     m_pDigest = NULL;
  83
  84     return aResult;
  85 }
  86
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */