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21 
22 
23 
24 #ifndef _ENCRYPTIONENGINE_HXX
25 #define _ENCRYPTIONENGINE_HXX
26 
27 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
28 #include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
29 #include <com/sun/star/xml/crypto/sax/XBlockerMonitor.hpp>
30 #include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
31 #include <com/sun/star/xml/crypto/sax/XMissionTaker.hpp>
32 #include <com/sun/star/xml/crypto/sax/XSAXEventKeeper.hpp>
33 #include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
34 #include <com/sun/star/xml/crypto/XXMLEncryption.hpp>
35 #include <cppuhelper/implbase1.hxx>
36 
37 #include "securityengine.hxx"
38 
39 class EncryptionEngine : public cppu::ImplInheritanceHelper1
40 <
41 	SecurityEngine,
42 	com::sun::star::xml::crypto::sax::XBlockerMonitor
43 >
44 /****** encryptionEngine.hxx/CLASS encryptionEngine ***************************
45  *
46  *   NAME
47  *	EncryptionEngine -- Base class of Encryptor and Decryptor
48  *
49  *   FUNCTION
50  *	Maintains common members and methods related with encryption.
51  *
52  *   HISTORY
53  *	05.01.2004 -	Interface supported: XBlockerMonitor
54  *
55  *   AUTHOR
56  *	Michael Mi
57  *	Email: michael.mi@sun.com
58  ******************************************************************************/
59 {
60 protected:
61 	/*
62 	 * the Encryption bridge component, which performs encrypt and decrypt
63 	 * operation based on xmlsec library.
64 	 */
65 	com::sun::star::uno::Reference<
66 		com::sun::star::xml::crypto::XXMLEncryption > m_xXMLEncryption;
67 
68 	/*
69 	 * the Id of template blocker.
70 	 */
71 	sal_Int32 m_nIdOfBlocker;
72 
73 protected:
74 	EncryptionEngine( );
~EncryptionEngine()75 	virtual ~EncryptionEngine(){};
76 
77 	virtual void tryToPerform( )
78 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
79 	virtual void clearUp( ) const;
80 	virtual bool checkReady() const;
81 
82 	/*
83 	 * starts the main function. This method will be implemented by any sub-class.
84 	 * For a Encryptor, it performs encryption operation;
85 	 * for a Decryptor, decryption operation is performed.
86 	 */
startEngine(const com::sun::star::uno::Reference<com::sun::star::xml::crypto::XXMLEncryptionTemplate> &)87 	virtual void startEngine( const com::sun::star::uno::Reference<
88 		com::sun::star::xml::crypto::XXMLEncryptionTemplate >&)
89 		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException)
90 		{};
91 
92 public:
93 	/* XBlockerMonitor */
94 	virtual void SAL_CALL setBlockerId( sal_Int32 id )
95     		throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
96 };
97 
98 #endif
99 
100