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1 /* |
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2 * Copyright (c) 2002-2009 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 @publishedPartner |
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22 @released |
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23 */ |
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24 |
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25 |
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26 #ifndef __PKCS12KDF_H__ |
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27 #define __PKCS12KDF_H__ |
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28 |
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29 #include <e32std.h> |
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30 |
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31 class PKCS12KDF |
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32 /** |
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33 Namespace class contains static functions which |
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34 are used to generate a key for PKCS#12 operations. |
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35 |
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36 See Section B from PKCS 12 v1.0. |
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37 */ |
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38 { |
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39 public: |
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40 enum TIDByteType |
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41 /** |
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42 ID byte value used to generate (en|de)cryption key, |
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43 IV, or MAC key. See SB.3 of spec. |
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44 */ |
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45 { |
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46 /** Generates a key for (en|de)cryption. */ |
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47 EIDByteEncryptKey = 1, |
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48 /** Generates an initialization vector. */ |
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49 EIDByteIV = 2, |
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50 /** Generates a key for MAC-ing. */ |
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51 EIDByteMACKey = 3 |
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52 }; |
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53 public: |
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54 IMPORT_C static void DeriveKeyL( |
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55 TDes8& aKey, TIDByteType aIDType, |
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56 const TDesC8& aPasswd, const TDesC8& aSalt, const TUint aIterations); |
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57 IMPORT_C static HBufC8* GeneratePasswordLC(const TDesC& aDes); |
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58 |
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59 private: |
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60 static void Process6cL(TDes8& Ij, const TDesC8& B, TInt v); |
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61 |
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62 #ifdef _DEBUG |
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63 enum TPanic |
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64 { |
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65 EDKEmptyPswd = 0x10, EDKOddPswdByteCount, EDKBadNullTerminator |
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66 }; |
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67 static void Panic(TPanic aPanic); |
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68 #endif |
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69 |
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70 // not implemented - prevents instantiation |
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71 PKCS12KDF(); |
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72 }; |
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73 |
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74 #endif // #ifndef __PKCS12KDF_H__ |
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75 |