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/*
* 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: dsa.h,v 1.2 2006/01/13 15:26:52 lha Exp $
*/
#ifndef _HEIM_DSA_H
#define _HEIM_DSA_H 1
#include <hcrypto/bn.h>
/* symbol renaming */
#define DSA_null_method hc_DSA_null_method
#define DSA_new hc_DSA_new
#define DSA_free hc_DSA_free
#define DSA_up_ref hc_DSA_up_ref
#define DSA_set_default_method hc_DSA_set_default_method
#define DSA_get_default_method hc_DSA_get_default_method
#define DSA_set_method hc_DSA_set_method
#define DSA_get_method hc_DSA_get_method
#define DSA_set_app_data hc_DSA_set_app_data
#define DSA_get_app_data hc_DSA_get_app_data
#define DSA_size hc_DSA_size
#define DSA_verify hc_DSA_verify
/*
*
*/
typedef struct DSA DSA;
typedef struct DSA_METHOD DSA_METHOD;
typedef struct DSA_SIG DSA_SIG;
struct DSA_SIG {
BIGNUM *r;
BIGNUM *s;
};
struct DSA_METHOD {
const char *name;
DSA_SIG * (*dsa_do_sign)(const unsigned char *, int, DSA *);
int (*dsa_sign_setup)(DSA *, BN_CTX *, BIGNUM **, BIGNUM **);
int (*dsa_do_verify)(const unsigned char *, int, DSA_SIG *, DSA *);
int (*dsa_mod_exp)(DSA *, BIGNUM *, BIGNUM *, BIGNUM *,
BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *,
BN_MONT_CTX *);
int (*bn_mod_exp)(DSA *, BIGNUM *, BIGNUM *, const BIGNUM *,
const BIGNUM *, BN_CTX *,
BN_MONT_CTX *);
int (*init)(DSA *);
int (*finish)(DSA *);
int flags;
void *app_data;
};
struct DSA {
int pad;
long version;
int write_params;
BIGNUM *p;
BIGNUM *q;
BIGNUM *g;
BIGNUM *pub_key;
BIGNUM *priv_key;
BIGNUM *kinv;
BIGNUM *r;
int flags;
void *method_mont_p;
int references;
struct dsa_CRYPTO_EX_DATA {
void *sk;
int dummy;
} ex_data;
const DSA_METHOD *meth;
void *engine;
};
/*
*
*/
const DSA_METHOD *DSA_null_method(void);
/*
*
*/
DSA * DSA_new(void);
void DSA_free(DSA *);
int DSA_up_ref(DSA *);
void DSA_set_default_method(const DSA_METHOD *);
const DSA_METHOD * DSA_get_default_method(void);
const DSA_METHOD * DSA_get_method(const DSA *);
int DSA_set_method(DSA *, const DSA_METHOD *);
void DSA_set_app_data(DSA *, void *arg);
void * DSA_get_app_data(DSA *);
int DSA_size(const DSA *);
int DSA_verify(int, const unsigned char *, int,
const unsigned char *, int, DSA *);
#endif /* _HEIM_DSA_H */
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