git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16564 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			141 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2006 Kungliga Tekniska Högskolan
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 * (Royal Institute of Technology, Stockholm, Sweden). 
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 * All rights reserved. 
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 *
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 * Redistribution and use in source and binary forms, with or without 
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 * modification, are permitted provided that the following conditions 
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 * are met: 
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 *
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 * 1. Redistributions of source code must retain the above copyright 
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 *    notice, this list of conditions and the following disclaimer. 
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright 
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 *    notice, this list of conditions and the following disclaimer in the 
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 *    documentation and/or other materials provided with the distribution. 
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 *
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 * 3. Neither the name of the Institute nor the names of its contributors 
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 *    may be used to endorse or promote products derived from this software 
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 *    without specific prior written permission. 
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
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 * SUCH DAMAGE. 
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 */
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/*
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 * $Id$
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 */
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#ifndef _HEIM_DSA_H
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#define _HEIM_DSA_H 1
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#include <hcrypto/bn.h>
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/* symbol renaming */
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#define DSA_null_method hc_DSA_null_method
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#define DSA_new hc_DSA_new
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#define DSA_free hc_DSA_free
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#define DSA_up_ref hc_DSA_up_ref
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#define DSA_set_default_method hc_DSA_set_default_method
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#define DSA_get_default_method hc_DSA_get_default_method
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#define DSA_set_method hc_DSA_set_method
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#define DSA_get_method hc_DSA_get_method
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#define DSA_set_app_data hc_DSA_set_app_data
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#define DSA_get_app_data hc_DSA_get_app_data
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#define DSA_size hc_DSA_size
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#define DSA_verify hc_DSA_verify
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/*
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 *
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 */
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typedef struct DSA DSA;
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typedef struct DSA_METHOD DSA_METHOD;
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typedef struct DSA_SIG DSA_SIG;
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struct DSA_SIG {
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    BIGNUM *r;
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    BIGNUM *s;
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};
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struct DSA_METHOD {
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    const char *name;
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    DSA_SIG * (*dsa_do_sign)(const unsigned char *, int, DSA *);
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    int (*dsa_sign_setup)(DSA *, BN_CTX *, BIGNUM **, BIGNUM **);
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    int (*dsa_do_verify)(const unsigned char *, int, DSA_SIG *, DSA *);
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    int (*dsa_mod_exp)(DSA *, BIGNUM *, BIGNUM *, BIGNUM *,
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		       BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *,
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		       BN_MONT_CTX *);
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    int (*bn_mod_exp)(DSA *, BIGNUM *, BIGNUM *, const BIGNUM *,
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		      const BIGNUM *, BN_CTX *,
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		      BN_MONT_CTX *);
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    int (*init)(DSA *);
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    int (*finish)(DSA *);
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    int flags;
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    void *app_data;
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};
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struct DSA {
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    int pad;
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    long version;
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    int write_params;
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    BIGNUM *p;
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    BIGNUM *q;
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    BIGNUM *g;
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    BIGNUM *pub_key;
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    BIGNUM *priv_key;
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    BIGNUM *kinv;
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    BIGNUM *r;
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    int flags;
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    void *method_mont_p;
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    int references;
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    struct dsa_CRYPTO_EX_DATA {
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	void *sk;
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	int dummy;
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    } ex_data;
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    const DSA_METHOD *meth;
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    void *engine;
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};
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/*
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 *
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 */
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const DSA_METHOD *DSA_null_method(void);
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/*
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 *
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 */
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DSA *	DSA_new(void);
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void	DSA_free(DSA *);
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int	DSA_up_ref(DSA *);
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void	DSA_set_default_method(const DSA_METHOD *);
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const DSA_METHOD * DSA_get_default_method(void);
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const DSA_METHOD * DSA_get_method(const DSA *);
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int DSA_set_method(DSA *, const DSA_METHOD *);
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void	DSA_set_app_data(DSA *, void *arg);
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void *	DSA_get_app_data(DSA *);
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int	DSA_size(const DSA *);
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int	DSA_verify(int, const unsigned char *, int,
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		   const unsigned char *, int, DSA *);
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#endif /* _HEIM_DSA_H */
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