1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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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
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11 * http://www.apache.org/licenses/LICENSE-2.0
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14 * software distributed under the License is distributed on an
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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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 {
42 ::osl::MutexGuard aGuard( m_aMutex );
43
44 if ( m_bBroken )
45 throw uno::RuntimeException();
46
47 if ( m_bDisposed )
48 throw lang::DisposedException();
49
50 if ( !m_b1KData || m_nDigested < 1024 )
51 {
52 uno::Sequence< sal_Int8 > aToDigest = aData;
53 if ( m_b1KData && m_nDigested + aData.getLength() > 1024 )
54 aToDigest.realloc( 1024 - m_nDigested );
55
56 if ( PK11_DigestOp( m_pContext, reinterpret_cast< const unsigned char* >( aToDigest.getConstArray() ), aToDigest.getLength() ) != SECSuccess )
57 {
58 PK11_DestroyContext( m_pContext, PR_TRUE );
59 m_pContext = NULL;
60 m_bBroken = true;
61 throw uno::RuntimeException();
62 }
63
64 m_nDigested += aToDigest.getLength();
65 }
66 }
67
finalizeDigestAndDispose()68 uno::Sequence< ::sal_Int8 > SAL_CALL ODigestContext::finalizeDigestAndDispose()
69 {
70 ::osl::MutexGuard aGuard( m_aMutex );
71
72 if ( m_bBroken )
73 throw uno::RuntimeException();
74
75 if ( m_bDisposed )
76 throw lang::DisposedException();
77
78 uno::Sequence< sal_Int8 > aResult( m_nDigestLength );
79 unsigned int nResultLen = 0;
80 if ( PK11_DigestFinal( m_pContext, reinterpret_cast< unsigned char* >( aResult.getArray() ), &nResultLen, aResult.getLength() ) != SECSuccess )
81 {
82 PK11_DestroyContext( m_pContext, PR_TRUE );
83 m_pContext = NULL;
84 m_bBroken = true;
85 throw uno::RuntimeException();
86 }
87
88 PK11_DestroyContext( m_pContext, PR_TRUE );
89 m_pContext = NULL;
90 m_bDisposed = true;
91
92 aResult.realloc( nResultLen );
93 return aResult;
94 }
95