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 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 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