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WinCAPICryptoKeyDSA.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights 
00006  * reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer. 
00014  *
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in
00017  *    the documentation and/or other materials provided with the
00018  *    distribution.
00019  *
00020  * 3. The end-user documentation included with the redistribution,
00021  *    if any, must include the following acknowledgment:  
00022  *       "This product includes software developed by the
00023  *        Apache Software Foundation (http://www.apache.org/)."
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
00028  *    not be used to endorse or promote products derived from this
00029  *    software without prior written permission. For written 
00030  *    permission, please contact apache@apache.org.
00031  *
00032  * 5. Products derived from this software may not be called "Apache",
00033  *    nor may "Apache" appear in their name, without prior written
00034  *    permission of the Apache Software Foundation.
00035  *
00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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00048  * ====================================================================
00049  *
00050  * This software consists of voluntary contributions made by many
00051  * individuals on behalf of the Apache Software Foundation and was
00052  * originally based on software copyright (c) 2001, Institute for
00053  * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
00054  * The development of this software was partly funded by the European 
00055  * Commission in the <WebSig> project in the ISIS Programme. 
00056  * For more information on the Apache Software Foundation, please see
00057  * <http://www.apache.org/>.
00058  */
00059 
00060 /*
00061  * XSEC
00062  *
00063  * WinCAPICryptoKeyDSA := DSA Keys
00064  *
00065  * Author(s): Berin Lautenbach
00066  *
00067  * $Id: WinCAPICryptoKeyDSA.hpp,v 1.4 2003/07/05 10:30:33 blautenb Exp $
00068  *
00069  */
00070 
00071 #ifndef WINCAPICRYPTOKEYDSA_INCLUDE
00072 #define WINCAPICRYPTOKEYDSA_INCLUDE
00073 
00074 #include <xsec/enc/XSECCryptoKeyDSA.hpp>
00075 
00076 #if !defined(_WIN32_WINNT)
00077 #   define _WIN32_WINNT 0x0400
00078 #endif
00079 
00080 #include <wincrypt.h>
00081 
00082 class WinCAPICryptoProvider;
00083 
00096 class DSIG_EXPORT WinCAPICryptoKeyDSA : public XSECCryptoKeyDSA {
00097 
00098 public :
00099 
00102     
00103     WinCAPICryptoKeyDSA(WinCAPICryptoProvider * owner);
00104     virtual ~WinCAPICryptoKeyDSA();
00105 
00119     WinCAPICryptoKeyDSA(WinCAPICryptoProvider * owner, HCRYPTKEY k, bool havePrivate = false);
00120 
00122 
00125 
00133     virtual XSECCryptoKey::KeyType getKeyType();
00134 
00139     virtual const XMLCh * getProviderName() {return DSIGConstants::s_unicodeStrPROVWinCAPI;}
00140     
00145     virtual XSECCryptoKey * clone();
00146 
00148 
00151 
00166     virtual unsigned int signBase64Signature(unsigned char * hashBuf,
00167                         unsigned int hashLen,
00168                         char * base64SignatureBuf,
00169                         unsigned int base64SignatureBufLen);
00170 
00183     virtual bool verifyBase64Signature(unsigned char * hashBuf, 
00184                          unsigned int hashLen,
00185                          char * base64Signature,
00186                          unsigned int sigLen);
00187 
00189 
00197 
00205     virtual void loadPBase64BigNums(const char * b64, unsigned int len);
00206 
00214     virtual void loadQBase64BigNums(const char * b64, unsigned int len);
00215 
00223     virtual void loadGBase64BigNums(const char * b64, unsigned int len);
00224     
00232     virtual void loadYBase64BigNums(const char * b64, unsigned int len);
00233     
00241     virtual void loadJBase64BigNums(const char * b64, unsigned int len);
00242 
00244 
00247 
00256     unsigned int getPBase64BigNums(char * b64, unsigned int len);
00257 
00266     unsigned int getQBase64BigNums(char * b64, unsigned int len);
00267 
00276     unsigned int getGBase64BigNums(char * b64, unsigned int len);
00277 
00286     unsigned int getYBase64BigNums(char * b64, unsigned int len);
00287 
00289 
00290 private:
00291 
00292     HCRYPTKEY                   m_key;  
00293     WinCAPICryptoProvider       * mp_ownerProvider;
00294     bool                        m_havePrivate;      // Do we have the private key?
00295 
00296     BYTE                        * mp_P;
00297     BYTE                        * mp_Q;
00298     BYTE                        * mp_G;
00299     BYTE                        * mp_Y;
00300 
00301     unsigned int                m_PLen;
00302     unsigned int                m_QLen;
00303     unsigned int                m_GLen;
00304     unsigned int                m_YLen;
00305 
00306     // Instruct to import from parameters
00307 
00308     void importKey(void);
00309     void loadParamsFromKey(void);
00310 
00311     // No default constructor
00312     WinCAPICryptoKeyDSA();
00313 };
00314 
00315 #endif /* WINCAPICRYPTOKEYDSA_INCLUDE */

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