WinCAPICryptoKeyHMAC.hpp

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/*
 * Copyright 2002-2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * XSEC
 *
 * WinCAPICryptoKeyHMAC := HMAC Keys
 *
 * Author(s): Berin Lautenbach
 *
 * $Id: WinCAPICryptoKeyHMAC.hpp,v 1.8 2005/06/04 11:30:26 blautenb Exp $
 *
 */

#ifndef WINCAPICRYPTOKEYHMAC_INCLUDE
#define WINCAPICRYPTOKEYHMAC_INCLUDE

#include <xsec/enc/XSECCryptoKeyHMAC.hpp>

#if !defined(_WIN32_WINNT)
#   define _WIN32_WINNT 0x0400
#endif

#include <wincrypt.h>

class DSIG_EXPORT WinCAPICryptoKeyHMAC : public XSECCryptoKeyHMAC {

public :

    WinCAPICryptoKeyHMAC(HCRYPTPROV prov);
    
    virtual ~WinCAPICryptoKeyHMAC() {};



    virtual XSECCryptoKey::KeyType getKeyType() {return KEY_HMAC;}
    
    virtual XSECCryptoKey * clone();

    virtual const XMLCh * getProviderName() {return DSIGConstants::s_unicodeStrPROVWinCAPI;}



    virtual void setKey(unsigned char * inBuf, unsigned int inLength);

    virtual unsigned int getKey(safeBuffer &outBuf);



    void setWinKey(HCRYPTKEY k);

    HCRYPTKEY getWinKey(void);

    HCRYPTPROV getWinKeyProv(void);


private:

    safeBuffer          m_keyBuf;
    unsigned int        m_keyLen;

    HCRYPTKEY           m_k;
    HCRYPTPROV          m_p;
};

#endif /* WINCAPICRYPTOKEYHMAC_INCLUDE */

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