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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @publishedPartner |
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19 @released |
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20 */ |
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21 |
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22 #include <e32base.h> |
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23 |
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24 #ifndef KEYASSOCIATION_H |
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25 #define KEYASSOCIATION_H |
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26 |
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27 namespace StreamAccess |
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28 { |
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29 /** |
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30 Defines the key association abstraction. In streaming protection, keys can be used slightly differently |
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31 for different protection layers. In IPSec they are used as a part of SA (Security Associations), while in SRTP they |
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32 are used as the Master Key - used for deriving the decryption and the authentication keys. |
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33 */ |
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34 class CKeyAssociation : public CBase |
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35 { |
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36 public: |
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37 IMPORT_C virtual ~CKeyAssociation(); |
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38 }; |
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39 |
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40 |
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41 /** |
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42 Defines a key association for the IPSec protocol. |
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43 */ |
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44 class CIpSecKeyAssociation : public CKeyAssociation |
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45 { |
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46 friend class CIpSecKeyStreamSink; |
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47 public: |
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48 /** Constructs a new key association for IPSec. |
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49 @param aSpi The SPI (security parameter index) to be used. |
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50 @param aEncryptionKey The encryption key to be used in this association. Please note that the ownership on aEncryptionKey is passed to the newly created object. |
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51 @param aAuthenticationKey The authentication key to be used in this association. Please note that the ownership on aAuthenticationKey is passed to the newly created object. |
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52 @leave One of the system-wide error codes. |
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53 */ |
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54 IMPORT_C static CIpSecKeyAssociation* NewL(TInt32 aSpi, HBufC8* aEncryptionKey, HBufC8* aAuthenticationKey); |
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55 |
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56 /** |
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57 @see CIpSecKeyAssociation::NewL |
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58 */ |
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59 IMPORT_C static CIpSecKeyAssociation* NewLC(TInt32 aSpi, HBufC8* aEncryptionKey, HBufC8* aAuthenticationKey); |
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60 |
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61 private: |
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62 TInt32 GetSpiL() const; |
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63 const HBufC8* GetEncryptionKeyL() const; |
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64 const HBufC8* GetAuthenticationKeyL() const; |
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65 private: |
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66 CIpSecKeyAssociation(TInt32 aSpi, HBufC8* aEncryptionKey, HBufC8* aAuthenticationKey); |
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67 private: |
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68 TInt32 iSpi; |
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69 HBufC8 *iEncryptionKey; |
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70 HBufC8 *iAuthenticationKey; |
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71 }; |
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72 |
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73 } // namespace StreamAccess |
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74 #endif // KEYASSOCIATION_H |
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75 |