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WinCAPICryptoKeyHMAC.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
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00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
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00016  *    notice, this list of conditions and the following disclaimer in
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00019  *
00020  * 3. The end-user documentation included with the redistribution,
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00024  *    Alternately, this acknowledgment may appear in the software itself,
00025  *    if and wherever such third-party acknowledgments normally appear.
00026  *
00027  * 4. The names "<WebSig>" and "Apache Software Foundation" must
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00032  * 5. Products derived from this software may not be called "Apache",
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00048  * ====================================================================
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00059 
00060 /*
00061  * XSEC
00062  *
00063  * WinCAPICryptoKeyHMAC := HMAC Keys
00064  *
00065  * Author(s): Berin Lautenbach
00066  *
00067  * $Id: WinCAPICryptoKeyHMAC.hpp,v 1.1 2003/04/07 12:13:35 blautenb Exp $
00068  *
00069  */
00070 
00071 #ifndef WINCAPICRYPTOKEYHMAC_INCLUDE
00072 #define WINCAPICRYPTOKEYHMAC_INCLUDE
00073 
00074 #include <xsec/enc/XSECCryptoKeyHMAC.hpp>
00075 
00076 #if !defined(_WIN32_WINNT)
00077 #   define _WIN32_WINNT 0x0400
00078 #endif
00079 
00080 #include <wincrypt.h>
00081 
00082 class DSIG_EXPORT WinCAPICryptoKeyHMAC : public XSECCryptoKeyHMAC {
00083 
00084 public :
00085 
00086     // Constructors/Destructors
00087     
00088     WinCAPICryptoKeyHMAC();
00089     virtual ~WinCAPICryptoKeyHMAC() {};
00090     virtual XSECCryptoKey * clone();
00091 
00092     // Generic key functions
00093 
00094     virtual XSECCryptoKey::KeyType getKeyType() {return KEY_HMAC;}
00095     virtual const XMLCh * getProviderName() {return DSIGConstants::s_unicodeStrPROVWinCAPI;}
00096 
00097     // HMAC Key functions
00098 
00099     virtual void setKey(unsigned char * inBuf, unsigned int inLength);
00100     virtual unsigned int getKey(safeBuffer &outBuf);
00101 
00102     // Windows specific Key Functions
00103     void setWinKey(HCRYPTKEY k);
00104     HCRYPTKEY getWinKey(void);
00105 
00106 private:
00107 
00108     safeBuffer          m_keyBuf;
00109     unsigned int        m_keyLen;
00110 
00111     HCRYPTKEY           m_k;
00112 };
00113 
00114 #endif /* WINCAPICRYPTOKEYHMAC_INCLUDE */

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