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71 lines
1.7 KiB
71 lines
1.7 KiB
14 years ago
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// ---------------------------------------------------------------------------
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// Name: actIKeyDerivation.h
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// Product: cv act library
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// Purpose: IKeyDerivation for general prupose
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//
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// Copyright: (c) 2003-2010 cv cryptovision GmbH
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// all rights reserved
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// Licence: The conditions for the use of this software are regulated
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// in the cv act library licence agreement.
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//
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// Autor: Ulrich Birkenhauer
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// Markus Tesche
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// Date: 07/05/2010
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// ---------------------------------------------------------------------------
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#ifndef ACT_IKeyDerivation_h
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#define ACT_IKeyDerivation_h
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#include "actMove.h"
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#include "actMode.h"
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#include "actIParam.h"
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#include "actIRefCounted.h"
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namespace act
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{
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enum KDParam
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{
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KD_DATA = SALT,
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KD_HASH = HASH,
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KD_SERIAL = SERIALNR,
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KD_DERIVATOR = DERIVATOR,
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KD_MODE = BCMODE, // key configuration
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KD_PADDING = PADDING, // key configuration
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};
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enum KDMode
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{
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KD_MODE_DEFAULT = 0,
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KD_MODE_CARD_MANAGER,
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KD_MODE_LAST
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};
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class IKeyDerivation;
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class IBlockCipherKey;
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typedef void (*DerivationFunc)(IKeyDerivation* owner, const Blob& data,
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Blob& k_enc, Blob& k_mac, Blob& k_kek);
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//
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// IKeyDerivation
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class IKeyDerivation
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: public IParam
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, public IRefCounted
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{
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public:
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virtual Blob Derive(const Blob& deriveData) = 0;
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virtual void Derive(uint mode, const Blob& data, Blob& k_enc, Blob& k_mac) = 0;
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virtual void Derive(uint mode, const Blob& data, Blob& k_enc, Blob& k_mac, Blob& k_kek) = 0;
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virtual void SetKey(IBlockCipherKey* key) = 0;
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//
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// If mode already registered, it will be overwritten and the previous will be returned.
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virtual DerivationFunc Register(uint mode, DerivationFunc df) = 0;
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};
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} // namespace act
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#endif // ACT_IKeyDerivation_h
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