1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptoservices/certificateandkeymgmt/pkcs10/keyhelper.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,156 @@
     1.4 +/*
     1.5 +* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* Declares key helper classes for PKCS#10 that perform the algorithm dependant work.
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +/**
    1.24 + @file
    1.25 + @internalComponent
    1.26 + @released 
    1.27 +*/
    1.28 +
    1.29 +#ifndef __PKCS10KEYHELPER_H__
    1.30 +#define __PKCS10KEYHELPER_H__
    1.31 +
    1.32 +#include <mctkeystore.h>
    1.33 +#include <x509keys.h>
    1.34 +#include "x509keyencoder.h"
    1.35 +
    1.36 +class CASN1EncBase;
    1.37 +class CASN1EncSequence;
    1.38 +class CASN1EncBitString;
    1.39 +
    1.40 +/**
    1.41 + * Abstract base class defines the interface for PKCS#10 key helpers.
    1.42 + *
    1.43 + * This class is fairly dumb, and provides a generic interface for various
    1.44 + * keystore functionality.  The methods are called from the RunL of
    1.45 + * CPKCS10Request.
    1.46 + *
    1.47 + * The implementation decodes the public key to create a public key object -
    1.48 + * this is pretty wasteful, as the first thing we're going to do is re-encode it
    1.49 + * again, mostly in exactly the same format.  However it's simpler and less
    1.50 + * error-prome to do it this way.
    1.51 + */
    1.52 +class CPKCS10KeyHelper : public CBase
    1.53 +	{
    1.54 + public:
    1.55 +
    1.56 +	/**
    1.57 +	 * Create appropriate subclass of CPKCS10KeyHelper depending on key
    1.58 +	 * alogorithm.
    1.59 +	 *
    1.60 +	 * @param aKeyStore The keystore to use - this object takes ownership.
    1.61 +	 * @param aKeyInfo The key to use.
    1.62 +	 */	
    1.63 +	static CPKCS10KeyHelper* CreateKeyHelperL(MCTKeyStore& aKeyStore,
    1.64 +											  const CCTKeyInfo& aKeyInfo,
    1.65 +											  const TDesC8& aExportedKey,
    1.66 +											  const TAlgorithmId aDigestId);
    1.67 +
    1.68 +	virtual ~CPKCS10KeyHelper();
    1.69 +
    1.70 + public:
    1.71 +
    1.72 +	void FetchPublicKey(TRequestStatus& aStatus);
    1.73 +	void CancelFetchPublicKey();
    1.74 +
    1.75 +	virtual void OpenSigner(TRequestStatus& aStatus) = 0;
    1.76 +	virtual void CancelOpenSigner() = 0;
    1.77 +
    1.78 +	virtual void SignDigestL(const TDesC8& aDigest, TRequestStatus& aStatus) = 0;
    1.79 +	virtual void CancelSignDigest() = 0;
    1.80 +
    1.81 +	virtual CASN1EncBase* EncodeKeyLC();
    1.82 +	virtual CASN1EncSequence* EncodeSignatureAlgorithmLC();
    1.83 +	virtual CASN1EncBitString* EncodeSignatureLC() = 0;
    1.84 +	
    1.85 + protected:
    1.86 +
    1.87 +	CPKCS10KeyHelper(MCTKeyStore& aKeyStore, const CCTKeyInfo& aKeyInfo);
    1.88 +
    1.89 +	virtual void CreateKeyEncoderL(const TDesC8& aExportedKey,
    1.90 +								   const TAlgorithmId aDigestId) = 0;
    1.91 +	
    1.92 +	CASN1EncBase* DigestInfoLC(const TDesC8& digest);
    1.93 +
    1.94 + protected:
    1.95 +
    1.96 +	MCTKeyStore&		iKeyStore;
    1.97 +	const CCTKeyInfo&	iKeyInfo;
    1.98 +	TX509KeyEncoder*	iKeyEncoder;
    1.99 +	};
   1.100 +
   1.101 +/**
   1.102 + * Implementation of PKCS#10 key helper for RSA keys.
   1.103 + */
   1.104 +class CPKCS10RSAKeyHelper : public CPKCS10KeyHelper
   1.105 +	{
   1.106 + public:
   1.107 +
   1.108 +	CPKCS10RSAKeyHelper(MCTKeyStore& aKeyStore, const CCTKeyInfo& aKeyInfo);
   1.109 +	virtual ~CPKCS10RSAKeyHelper();
   1.110 +
   1.111 + private:
   1.112 +
   1.113 +	virtual void OpenSigner(TRequestStatus& aStatus);
   1.114 +	virtual void CancelOpenSigner();
   1.115 +
   1.116 +	virtual void SignDigestL(const TDesC8& aDigest, TRequestStatus& aStatus);
   1.117 +	virtual void CancelSignDigest();	
   1.118 +
   1.119 +	virtual void CreateKeyEncoderL(const TDesC8& aExportedKey, const TAlgorithmId aDigestId);
   1.120 +	virtual CASN1EncBitString* EncodeSignatureLC();
   1.121 +
   1.122 +private:
   1.123 +
   1.124 +	CRSAPublicKey*		iPublicKey;
   1.125 +	MRSASigner*			iRSASigner;
   1.126 +	CRSASignature*		iRSASignature;
   1.127 +	HBufC8* 			iDigestBuf;
   1.128 +	};
   1.129 +
   1.130 +/**
   1.131 + * Implementation of PKCS#10 key helper for DSA keys.
   1.132 + */
   1.133 +class CPKCS10DSAKeyHelper : public CPKCS10KeyHelper
   1.134 +	{
   1.135 + public:
   1.136 +
   1.137 +	CPKCS10DSAKeyHelper(MCTKeyStore& aKeyStore, const CCTKeyInfo& aKeyInfo);
   1.138 +	virtual ~CPKCS10DSAKeyHelper();
   1.139 +
   1.140 + private:
   1.141 +	
   1.142 +	virtual void OpenSigner(TRequestStatus& aStatus);
   1.143 +	virtual void CancelOpenSigner();
   1.144 +
   1.145 +	virtual void SignDigestL(const TDesC8& aDigest, TRequestStatus& aStatus);
   1.146 +	virtual void CancelSignDigest();	
   1.147 +
   1.148 +	virtual void CreateKeyEncoderL(const TDesC8& aExportedKey, const TAlgorithmId aDigestId);
   1.149 +	virtual CASN1EncSequence* EncodeSignatureAlgorithmLC();
   1.150 +	virtual CASN1EncBitString* EncodeSignatureLC();
   1.151 +
   1.152 + private:
   1.153 +
   1.154 + 	CDSAPublicKey* 		iPublicKey;
   1.155 +	MDSASigner*			iDSASigner;
   1.156 +	CDSASignature*		iDSASignature;
   1.157 +	};
   1.158 +
   1.159 +#endif