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1 /* |
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2 * Copyright (c) 2003-2009 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 * PBE symmetric factory |
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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 @internalComponent |
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23 */ |
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24 |
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25 #ifndef __PBESYMMETRICFACTORY_H__ |
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26 #define __PBESYMMETRICFACTORY_H__ |
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27 |
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28 #include <symmetric.h> |
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29 #include <pbe.h> |
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30 |
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31 const TUint KAESBlockBytes = 16; |
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32 const TUint KAESKeyBytes128 = 16; |
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33 const TUint KAESKeyBytes192 = 24; |
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34 const TUint KAESKeyBytes256 = 32; |
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35 |
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36 const TUint KDESBlockBytes = 8; |
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37 const TUint KDESKeyBytes = 8; |
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38 const TUint K3DESKeyBytes = 24; |
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39 |
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40 const TUint K2Key3DESKeyBytes = 16; |
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41 const TUint KRC4KeyBytes128 = 16; |
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42 const TUint KRC4KeyBytes40 = 5; |
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43 |
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44 const TUint KRC2BlockBytes = 8; |
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45 const TUint KRC2KeyBytes40 = 5; |
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46 const TUint KRC2KeyBytes128 = 16; |
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47 |
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48 const TPBECipher KPBEDefaultStrongCipher = ECipherAES_CBC_128; |
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49 const TPBECipher KPBEDefaultWeakCipher = ECipherDES_CBC; |
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50 const TUint KPBEDefaultSaltBytes = 16; //pkcs5 recommends min 64 bits (8 bytes); |
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51 |
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52 const TUint KPBEMaxCipherIVBytes = KAESBlockBytes; |
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53 const TUint KPBEMaxCipherKeyBytes = KAESKeyBytes256; |
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54 const TUint KPBEMaxSaltBytes = 16; //pkcs5 recommends min 64 bits (8 bytes); |
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55 |
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56 class PBE |
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57 { |
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58 public: |
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59 static TUint GetKeyBytes(TPBECipher aCipher); |
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60 static TUint GetBlockBytes(TPBECipher aCipher); |
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61 |
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62 static CSymmetricCipher* MakeEncryptorL(TPBECipher aCipher, |
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63 const TDesC8& aKey, const TDesC8& aIV); |
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64 static CSymmetricCipher* MakeDecryptorL(TPBECipher aCipher, |
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65 const TDesC8& aKey, const TDesC8& aIV); |
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66 private: |
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67 PBE(void); |
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68 PBE(const PBE&); |
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69 PBE& operator=(const PBE&); |
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70 }; |
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71 |
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72 #endif |