/* * Copyright (C) 2001 Christian Hohnstaedt. * *  All rights reserved. * * *  Redistribution and use in source and binary forms, with or without  *  modification, are permitted provided that the following conditions are met: * *  - Redistributions of source code must retain the above copyright notice, *    this list of conditions and the following disclaimer. *  - Redistributions in binary form must reproduce the above copyright notice, *    this list of conditions and the following disclaimer in the documentation *    and/or other materials provided with the distribution. *  - Neither the name of the author nor the names of its contributors may be  *    used to endorse or promote products derived from this software without *    specific prior written permission. * * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * This program links to software with different licenses from: * *	http://www.openssl.org which includes cryptographic software * 	written by Eric Young (eay@cryptsoft.com)" * *	http://www.sleepycat.com * *	http://www.trolltech.com *  * * * http://www.hohnstaedt.de/xca * email: christian@hohnstaedt.de * * $Id: pki_key.h,v 1.24 2003/01/06 19:35:51 chris Exp $ * */                           #include <iostream>#include <string>#include <openssl/rand.h>#include <openssl/rsa.h>#include <openssl/bn.h>#include <openssl/pem.h>#include <openssl/bio.h>#include <openssl/evp.h>#include <openssl/x509.h>#include <openssl/pkcs12.h>#include "pki_base.h"#ifndef PKI_KEY_H#define PKI_KEY_H#define MAX_KEY_LENGTH 4096class pki_key: public pki_base{    friend class pki_x509req;    friend class pki_x509;    friend class pki_crl;    protected:	EVP_PKEY *key;	string BN2string(BIGNUM *bn);	int ucount; // usage counter    public:	static char passwd[40];			/* constructor to generate a key .....	 * d     is the description	 * bits  is the keylength in bits	 * cb    a callback for e.g. a progress bar	 */ 	pki_key(const string d, void (*cb)(int, int,void *),void *prog,int bits,int type = EVP_PKEY_RSA);   		/* constructor to load a key from a file	 * fname    = filename	 * pem_password_cb = password callback function	 */	pki_key(const string fname, pem_password_cb *cb,int type = EVP_PKEY_RSA);		// copy constructor	pki_key::pki_key(const pki_key *pk);		/* destructor */	~pki_key();		/* constructor from database 	 * p = pointer to data	 * size = size of datastruct	 */		pki_key(const string d, int type=EVP_PKEY_RSA);	pki_key(EVP_PKEY *pkey);	void init();	void fromData(unsigned char *p, int size);	unsigned char *toData(int *size);	bool compare(pki_base *ref);        string length();        string modulus();        string pubEx();        string privEx();	void writeKey(const string fname, const EVP_CIPHER *enc, 			pem_password_cb *cb, bool PEM);	void writePublic(const string fname, bool PEM);	void writePKCS8(const string fname, pem_password_cb *cb);	bool isPrivKey();	bool isPubKey();	int verify();	int getType();	EVP_PKEY *getKey(){ return key;}	int incUcount();	int decUcount();	int getUcount();};#endif