 6937d41a02
			
		
	
	6937d41a02
	
	
	
		
			
			git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23815 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			142 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2006 Kungliga Tekniska Högskolan
 | |
|  * (Royal Institute of Technology, Stockholm, Sweden).
 | |
|  * All rights reserved.
 | |
|  *
 | |
|  * Redistribution and use in source and binary forms, with or without
 | |
|  * modification, are permitted provided that the following conditions
 | |
|  * are met:
 | |
|  *
 | |
|  * 1. Redistributions of source code must retain the above copyright
 | |
|  *    notice, this list of conditions and the following disclaimer.
 | |
|  *
 | |
|  * 2. 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.
 | |
|  *
 | |
|  * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
 | |
|  */
 | |
| 
 | |
| /*
 | |
|  * $Id$
 | |
|  */
 | |
| 
 | |
| #ifndef _HEIM_DH_H
 | |
| #define _HEIM_DH_H 1
 | |
| 
 | |
| /* symbol renaming */
 | |
| #define DH_null_method hc_DH_null_method
 | |
| #define DH_imath_method hc_DH_imath_method
 | |
| #define DH_new hc_DH_new
 | |
| #define DH_new_method hc_DH_new_method
 | |
| #define DH_free hc_DH_free
 | |
| #define DH_up_ref hc_DH_up_ref
 | |
| #define DH_size hc_DH_size
 | |
| #define DH_set_default_method hc_DH_set_default_method
 | |
| #define DH_get_default_method hc_DH_get_default_method
 | |
| #define DH_set_method hc_DH_set_method
 | |
| #define DH_get_method hc_DH_get_method
 | |
| #define DH_set_ex_data hc_DH_set_ex_data
 | |
| #define DH_get_ex_data hc_DH_get_ex_data
 | |
| #define DH_generate_parameters_ex hc_DH_generate_parameters_ex
 | |
| #define DH_check_pubkey hc_DH_check_pubkey
 | |
| #define DH_generate_key hc_DH_generate_key
 | |
| #define DH_compute_key hc_DH_compute_key
 | |
| 
 | |
| /*
 | |
|  *
 | |
|  */
 | |
| 
 | |
| typedef struct DH DH;
 | |
| typedef struct DH_METHOD DH_METHOD;
 | |
| 
 | |
| #include <hcrypto/bn.h>
 | |
| #include <hcrypto/engine.h>
 | |
| 
 | |
| struct DH_METHOD {
 | |
|     const char *name;
 | |
|     int (*generate_key)(DH *);
 | |
|     int (*compute_key)(unsigned char *,const BIGNUM *,DH *);
 | |
|     int (*bn_mod_exp)(const DH *, BIGNUM *, const BIGNUM *,
 | |
| 		      const BIGNUM *, const BIGNUM *, BN_CTX *,
 | |
| 		      BN_MONT_CTX *);
 | |
|     int (*init)(DH *);
 | |
|     int (*finish)(DH *);
 | |
|     int flags;
 | |
|     void *app_data;
 | |
|     int (*generate_params)(DH *, int, int, BN_GENCB *);
 | |
| };
 | |
| 
 | |
| struct DH {
 | |
|     int pad;
 | |
|     int version;
 | |
|     BIGNUM *p;
 | |
|     BIGNUM *g;
 | |
|     long length;
 | |
|     BIGNUM *pub_key;
 | |
|     BIGNUM *priv_key;
 | |
|     int flags;
 | |
|     void *method_mont_p;
 | |
|     BIGNUM *q;
 | |
|     BIGNUM *j;
 | |
|     void *seed;
 | |
|     int seedlen;
 | |
|     BIGNUM *counter;
 | |
|     int references;
 | |
|     struct CRYPTO_EX_DATA {
 | |
| 	void *sk;
 | |
| 	int dummy;
 | |
|     } ex_data;
 | |
|     const DH_METHOD *meth;
 | |
|     ENGINE *engine;
 | |
| };
 | |
| 
 | |
| /* DH_check_pubkey return codes in `codes' argument. */
 | |
| #define DH_CHECK_PUBKEY_TOO_SMALL 1
 | |
| #define DH_CHECK_PUBKEY_TOO_LARGE 2
 | |
| 
 | |
| /*
 | |
|  *
 | |
|  */
 | |
| 
 | |
| const DH_METHOD *DH_null_method(void);
 | |
| const DH_METHOD *DH_imath_method(void);
 | |
| 
 | |
| DH *	DH_new(void);
 | |
| DH *	DH_new_method(ENGINE *);
 | |
| void	DH_free(DH *);
 | |
| int	DH_up_ref(DH *);
 | |
| 
 | |
| int	DH_size(const DH *);
 | |
| 
 | |
| 
 | |
| void	DH_set_default_method(const DH_METHOD *);
 | |
| const DH_METHOD *
 | |
| 	DH_get_default_method(void);
 | |
| int	DH_set_method(DH *, const DH_METHOD *);
 | |
| 
 | |
| int	DH_set_ex_data(DH *, int, void *);
 | |
| void *	DH_get_ex_data(DH *, int);
 | |
| 
 | |
| int	DH_generate_parameters_ex(DH *, int, int, BN_GENCB *);
 | |
| int	DH_check_pubkey(const DH *, const BIGNUM *, int *);
 | |
| int	DH_generate_key(DH *);
 | |
| int	DH_compute_key(unsigned char *,const BIGNUM *,DH *);
 | |
| 
 | |
| #endif /* _HEIM_DH_H */
 | |
| 
 |