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 12 * 13 * Unless required by applicable law or agreed to in writing, 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 17 * specific language governing permissions and limitations 18 * under the License. 19 * 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 31 ODigestContext::~ODigestContext() 32 { 33 if ( m_pContext ) 34 { 35 PK11_DestroyContext( m_pContext, PR_TRUE ); 36 m_pContext = NULL; 37 } 38 } 39 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 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