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1 /* |
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2 * Copyright (c) 2006-2009 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 * Asymmetric cipher abstract interface |
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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 /** |
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21 @file |
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22 @publishedPartner |
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23 @released |
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24 */ |
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25 |
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26 #ifndef __CRYPTOAPI_ASYMMETRICCIPHER_H__ |
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27 #define __CRYPTOAPI_ASYMMETRICCIPHER_H__ |
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28 |
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29 #include <cryptospi/cryptoplugin.h> |
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30 |
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31 namespace CryptoSpi |
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32 { |
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33 /** |
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34 The Asymmetric Cipher Base definition. Intended to allow plug-ins |
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35 to implement extensible Asymmetric cipher functionality, and to work with all |
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36 known existing Asymmetric algorithms, e.g. RSA DSA etc |
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37 */ |
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38 class MAsymmetricCipherBase : public MPlugin |
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39 { |
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40 public: |
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41 |
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42 /** |
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43 Set the public key of this cipher. Reset() is called to reinitialise the cipher. |
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44 @param aKey The public key. |
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45 */ |
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46 virtual void SetKeyL(const CKey& aKey) = 0; |
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47 |
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48 /** |
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49 Set the crypto mode of this cipher. Reset() is called to reinitialise the cipher. |
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50 @param aCryptoMode The crypto mode |
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51 */ |
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52 virtual void SetCryptoModeL(TUid aCryptoMode) = 0; |
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53 |
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54 /** |
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55 Set padding Mode of this cipher. Reset() is called to reinitialise the cipher. |
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56 @param aPaddingMode The padding mode |
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57 */ |
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58 virtual void SetPaddingModeL(TUid aPaddingMode) = 0; |
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59 |
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60 /** |
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61 Gets the maximum size of input accepted by this object. |
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62 @return The maximum input length allowed in bytes. |
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63 */ |
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64 virtual TInt GetMaximumInputLengthL() const = 0; |
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65 |
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66 /** |
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67 Gets the maximum size of output that can be generated by this object. |
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68 @return The maximum output length in bytes. |
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69 */ |
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70 virtual TInt GetMaximumOutputLengthL() const = 0; |
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71 }; |
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72 |
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73 class MAsymmetricCipher : public MAsymmetricCipherBase |
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74 { |
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75 public: |
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76 /** |
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77 Encrypts or decrypts aInput and appends the result to aOutput. |
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78 @param aInput The input data to be processed. |
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79 @param aOutput The resulting processed data appended to aOutput. |
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80 */ |
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81 virtual void ProcessL(const TDesC8& aInput, TDes8& aOutput) = 0; |
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82 }; |
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83 |
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84 class MAsyncAsymmetricCipher : public MAsymmetricCipherBase |
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85 { |
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86 public: |
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87 |
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88 /** |
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89 Encrypts or decrypts aInput and appends the result to aOutput asynchronously |
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90 @param aInput The input data to be processed. |
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91 @param aOutput The resulting processed data appended to aOutput. |
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92 @param aRequestStatus |
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93 */ |
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94 virtual void ProcessL(const TDesC8& aInput, TDes8& aOutput, TRequestStatus& aRequestStatus) = 0; |
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95 |
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96 /** |
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97 Cancel the outstanding request |
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98 */ |
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99 virtual void Cancel() = 0; |
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100 }; |
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101 } |
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102 |
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103 #endif //__CRYPTOAPI_ASYMMETRICCIPHER_H__ |