--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwunsaf_protocols/unsaf_codec/inc/natfwunsaffingerprintattribute.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   
+*
+*/
+
+
+
+
+#ifndef CNATFWUNSAFFINGERPRINTATTRIBUTE_H
+#define CNATFWUNSAFFINGERPRINTATTRIBUTE_H
+
+// INCLUDES
+#include <in_sock.h>
+#include "natfwunsafattribute.h"
+#include "natfwinternaldefs.h"    //UNIT_TEST
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+/**
+ * Class for NATFWUNSAF FINGERPRINT attribute.
+ */
+class CNATFWUNSAFFingerprintAttribute : public CNATFWUNSAFAttribute
+    {
+
+public: // Constructors and destructor
+
+    /**
+    * Constructs a CNATFWUNSAFFingerprintAttribute from
+    * its value part's binary representation
+    * @param aValue a value part of a FINGERPRINT-attribute
+    * @return A new instance of CNATFWUNSAFFingerprintAttribute,
+    *          ownership is transferred.
+    */
+    static CNATFWUNSAFFingerprintAttribute* DecodeL(
+        const TDesC8& aValue);
+
+    /**
+    * Decodes a UNSAF attribute from a byte stream.
+    * This version is for lookup table.
+    * @param aByteStream Byte stream, containing attribute type, length and
+    *    value.
+    * @return Decoded UNSAF attribute, ownership is transferred.
+    */
+    static CNATFWUNSAFAttribute* DecodeAttributeL(
+        const TDesC8& aByteStream);
+
+    /**
+    * Creates a new instance of CNATFWUNSAFFingerprintAttribute
+    * @param aNATFWUNSAFMessage Message to be hashed
+    * @return A new instance of CNATFWUNSAFFingerprintAttribute,
+    *          ownership is transferred.
+    */
+    static CNATFWUNSAFFingerprintAttribute*
+        NewL(CBufBase& aNATFWUNSAFMessage);
+
+    /**
+    * Creates a new instance of CNATFWUNSAFFingerprintAttribute and
+    * pushes it to the CleanupStack.
+    * @param aNATFWUNSAFMessage Message to be hashed
+    * @return A new instance of CNATFWUNSAFFingerprintAttribute,
+    *          ownership is transferred.
+    */
+    static CNATFWUNSAFFingerprintAttribute*
+        NewLC(CBufBase& aNATFWUNSAFMessage);
+
+    /**
+    * Destructor, deletes the resources of
+    * CNATFWUNSAFFingerprintAttribute.
+    */
+    ~CNATFWUNSAFFingerprintAttribute();
+
+public: // From CNATFWUNSAFAttribute
+
+    CNATFWUNSAFAttribute::TType Type() const;
+
+    HBufC8* EncodeValueL() const;
+
+public: // New functions
+
+    /**
+    * Computes a XORed CRC-32 for aNATFWUNSAFMessage
+    * and compares the result with the value of this
+    * CNATFWUNSAFFingerprintAttribute instance.
+    * @param aNATFWUNSAFMessage UNSAF message as byte stream
+    * @return ETrue Fingerprint check passes
+    *         EFalse Otherwise, CRC-32 differs
+    */
+    IMPORT_C TBool CheckFingerprintL(
+        const TDesC8& aNATFWUNSAFMessage) const;
+
+protected: // New functions
+
+    /**
+    * Decodes the value part of the attribute and updates iHash
+    * accordingly.
+    * @param aValue value to be decoded
+    */
+    void DecodeValueL(const TDesC8& aValue);
+
+    /**
+    * Check the attribute's length field has a valid value.
+    * @param aByteStream Stream containing attribute in binary format,
+    *    starting from the type-field.
+    * @leave KErrCorrupt If the length field in aByteStream is invalid
+    */
+    static void CheckLengthL(const TDesC8& aByteStream);
+
+private: // Constructors
+
+    CNATFWUNSAFFingerprintAttribute();
+
+    /**
+    * Second phase constructor.
+    * @param aNATFWUNSAFMessage Message to be hashed
+    */
+    void ConstructL(CBufBase& aNATFWUNSAFMessage);
+
+private: // New functions, for internal use
+
+    /**
+    * Compute a CCITT CRC-32 checksum over aNATFWUNSAFMessage,
+    * Write the result into aCRC.
+    * @param aNATFWUNSAFMessage Message to be checked
+    * @param aCRC Resulting CRC-32 is written here
+    */
+    void ComputeCRC32(
+        CBufBase& aNATFWUNSAFMessage,
+        TUint32& aCRC) const;
+
+private: // Data
+
+    enum TEncodedValue
+        {
+        //Size in bytes of the attribute value
+        EAttributeValueSize = 4,
+        EXORedValue = 0x5354554e
+        };
+
+    TUint32 iCRC;
+
+private: // For testing purposes
+
+    UNIT_TEST(UT_CNATFWUNSAFFingerprintAttribute)
+    };
+
+#endif // CNATFWUNSAFFINGERPRINTATTRIBUTE_H
+
+