1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * Unless required by applicable law or agreed to in writing,
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15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
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18 * under the License.
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20 *************************************************************/
21
22
23
24 #include <precompiled_xmlsecurity.hxx>
25
26 #include <pk11pub.h>
27 #include "digestcontext.hxx"
28
29 using namespace ::com::sun::star;
30
~ODigestContext()31 ODigestContext::~ODigestContext()
32 {
33 if ( m_pContext )
34 {
35 PK11_DestroyContext( m_pContext, PR_TRUE );
36 m_pContext = NULL;
37 }
38 }
39
updateDigest(const uno::Sequence<::sal_Int8> & aData)40 void SAL_CALL ODigestContext::updateDigest( const uno::Sequence< ::sal_Int8 >& aData )
41 throw (lang::DisposedException, uno::RuntimeException)
42 {
43 ::osl::MutexGuard aGuard( m_aMutex );
44
45 if ( m_bBroken )
46 throw uno::RuntimeException();
47
48 if ( m_bDisposed )
49 throw lang::DisposedException();
50
51 if ( !m_b1KData || m_nDigested < 1024 )
52 {
53 uno::Sequence< sal_Int8 > aToDigest = aData;
54 if ( m_b1KData && m_nDigested + aData.getLength() > 1024 )
55 aToDigest.realloc( 1024 - m_nDigested );
56
57 if ( PK11_DigestOp( m_pContext, reinterpret_cast< const unsigned char* >( aToDigest.getConstArray() ), aToDigest.getLength() ) != SECSuccess )
58 {
59 PK11_DestroyContext( m_pContext, PR_TRUE );
60 m_pContext = NULL;
61 m_bBroken = true;
62 throw uno::RuntimeException();
63 }
64
65 m_nDigested += aToDigest.getLength();
66 }
67 }
68
finalizeDigestAndDispose()69 uno::Sequence< ::sal_Int8 > SAL_CALL ODigestContext::finalizeDigestAndDispose()
70 throw (lang::DisposedException, uno::RuntimeException)
71 {
72 ::osl::MutexGuard aGuard( m_aMutex );
73
74 if ( m_bBroken )
75 throw uno::RuntimeException();
76
77 if ( m_bDisposed )
78 throw lang::DisposedException();
79
80 uno::Sequence< sal_Int8 > aResult( m_nDigestLength );
81 unsigned int nResultLen = 0;
82 if ( PK11_DigestFinal( m_pContext, reinterpret_cast< unsigned char* >( aResult.getArray() ), &nResultLen, aResult.getLength() ) != SECSuccess )
83 {
84 PK11_DestroyContext( m_pContext, PR_TRUE );
85 m_pContext = NULL;
86 m_bBroken = true;
87 throw uno::RuntimeException();
88 }
89
90 PK11_DestroyContext( m_pContext, PR_TRUE );
91 m_pContext = NULL;
92 m_bDisposed = true;
93
94 aResult.realloc( nResultLen );
95 return aResult;
96 }
97
98