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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 /** |
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20 @file |
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21 @internalComponent |
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22 @released |
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23 */ |
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24 #ifndef CDUMMYECCIMPL_H |
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25 #define CDUMMYECCIMPL_H |
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26 |
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27 #include <e32base.h> |
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28 #include <e32cmn.h> |
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29 #include <cryptospi/cryptospidef.h> |
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30 #include "keys.h" |
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31 #include "asymmetriccipherplugin.h" |
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32 |
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33 namespace DummyEccHwCrypto |
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34 { |
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35 using namespace CryptoSpi; |
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36 |
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37 /** |
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38 * Implements the MAsymmetricCipher interface. |
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39 * |
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40 * This should be used to create the cipher object to perform |
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41 * encryption / decryption using ECC. |
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42 */ |
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43 NONSHARABLE_CLASS(CDummyECCCipherImpl) : public CBase, public MAsymmetricCipher |
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44 { |
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45 public: |
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46 static CDummyECCCipherImpl* NewL(const CKey& aKey, TUid aCryptoMode, TUid aPaddingMode); |
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47 static CDummyECCCipherImpl* NewLC(const CKey& aKey, TUid aCryptoMode, TUid aPaddingMode); |
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48 |
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49 // MPlugin Interface |
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50 void Close(); |
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51 void Reset(); |
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52 void GetCharacteristicsL(const TCharacteristics*& aPluginCharacteristics); |
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53 const CExtendedCharacteristics* GetExtendedCharacteristicsL(); |
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54 TAny* GetExtension(TUid aExtensionId); |
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55 // End of MPlugin Interface |
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56 |
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57 // MAsymmetricCipherBase Interface |
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58 void SetKeyL(const CKey& aKey); |
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59 void SetCryptoModeL(TUid aCryptoMode); |
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60 void SetPaddingModeL(TUid aPaddingMode); |
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61 TInt GetMaximumInputLengthL() const; |
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62 TInt GetMaximumOutputLengthL() const; |
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63 // End of MAsymmetricCipherBase Interface |
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64 |
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65 // MAsymmetricCipher Interface |
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66 void ProcessL(const TDesC8& aInput, TDes8& aOutput); |
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67 |
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68 TUid ImplementationUid() const; |
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69 // Destructor |
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70 ~CDummyECCCipherImpl(); |
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71 |
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72 private: |
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73 CDummyECCCipherImpl(TUid aCryptoMode, TUid aPaddingMode); |
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74 void ConstructL(const CKey& aKey); |
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75 void DecryptL(const TDesC8& aInput, TDes8& aOutput); |
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76 void EncryptL(const TDesC8& aInput, TDes8& aOutput); |
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77 |
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78 private: |
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79 /* The key extracted from a CKey object. This would just have |
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80 * a handle to the key stored in hardware. Hence the actual key |
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81 * would not be available to the user of this cryptoSPI plugin. |
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82 */ |
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83 CKey* iKey; |
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84 |
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85 /// encryption or decryption |
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86 TUid iCryptoMode; |
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87 |
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88 /* The current padding scheme. This is not being used in the |
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89 * reference implementation. |
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90 */ |
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91 TUid iPaddingMode; |
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92 }; |
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93 |
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94 |
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95 } |
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96 |
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97 #endif // CDUMMYECCIMPL_H |