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/* dsa.h
*
* Copyright (C) 2006-2020 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* wolfSSL is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* wolfSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
*/
/* dsa.h for openSSL */
#ifndef WOLFSSL_DSA_H_
#define WOLFSSL_DSA_H_
#include <wolfssl/openssl/bn.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct WOLFSSL_DSA_SIG {
WOLFSSL_BIGNUM *r;
WOLFSSL_BIGNUM *s;
} WOLFSSL_DSA_SIG;
#ifndef WOLFSSL_DSA_TYPE_DEFINED /* guard on redeclaration */
typedef struct WOLFSSL_DSA WOLFSSL_DSA;
#define WOLFSSL_DSA_TYPE_DEFINED
#endif
typedef WOLFSSL_DSA DSA;
struct WOLFSSL_DSA {
WOLFSSL_BIGNUM* p;
WOLFSSL_BIGNUM* q;
WOLFSSL_BIGNUM* g;
WOLFSSL_BIGNUM* pub_key; /* our y */
WOLFSSL_BIGNUM* priv_key; /* our x */
void* internal; /* our Dsa Key */
char inSet; /* internal set from external ? */
char exSet; /* external set from internal ? */
};
WOLFSSL_API WOLFSSL_DSA* wolfSSL_DSA_new(void);
WOLFSSL_API void wolfSSL_DSA_free(WOLFSSL_DSA*);
WOLFSSL_API int wolfSSL_DSA_generate_key(WOLFSSL_DSA*);
typedef void (*WOLFSSL_BN_CB)(int i, int j, void* exArg);
WOLFSSL_API WOLFSSL_DSA* wolfSSL_DSA_generate_parameters(int bits,
unsigned char* seed, int seedLen, int* counterRet,
unsigned long* hRet, WOLFSSL_BN_CB cb, void* CBArg);
WOLFSSL_API int wolfSSL_DSA_generate_parameters_ex(WOLFSSL_DSA*, int bits,
unsigned char* seed, int seedLen, int* counterRet,
unsigned long* hRet, void* cb);
WOLFSSL_API int wolfSSL_DSA_LoadDer(WOLFSSL_DSA*, const unsigned char*, int sz);
WOLFSSL_API int wolfSSL_DSA_LoadDer_ex(WOLFSSL_DSA*, const unsigned char*,
int sz, int opt);
WOLFSSL_API int wolfSSL_DSA_do_sign(const unsigned char* d,
unsigned char* sigRet, WOLFSSL_DSA* dsa);
WOLFSSL_API int wolfSSL_DSA_do_verify(const unsigned char* d,
unsigned char* sig,
WOLFSSL_DSA* dsa, int *dsacheck);
WOLFSSL_API WOLFSSL_DSA_SIG* wolfSSL_DSA_SIG_new(void);
WOLFSSL_API void wolfSSL_DSA_SIG_free(WOLFSSL_DSA_SIG *sig);
WOLFSSL_API WOLFSSL_DSA_SIG* wolfSSL_DSA_do_sign_ex(const unsigned char* digest,
int outLen, WOLFSSL_DSA* dsa);
WOLFSSL_API int wolfSSL_DSA_do_verify_ex(const unsigned char* digest, int digest_len,
WOLFSSL_DSA_SIG* sig, WOLFSSL_DSA* dsa);
#define WOLFSSL_DSA_LOAD_PRIVATE 1
#define WOLFSSL_DSA_LOAD_PUBLIC 2
#define DSA_new wolfSSL_DSA_new
#define DSA_free wolfSSL_DSA_free
#define DSA_LoadDer wolfSSL_DSA_LoadDer
#define DSA_generate_key wolfSSL_DSA_generate_key
#define DSA_generate_parameters wolfSSL_DSA_generate_parameters
#define DSA_generate_parameters_ex wolfSSL_DSA_generate_parameters_ex
#define DSA_SIG_new wolfSSL_DSA_SIG_new
#define DSA_SIG_free wolfSSL_DSA_SIG_free
#define DSA_do_sign wolfSSL_DSA_do_sign_ex
#define DSA_do_verify wolfSSL_DSA_do_verify_ex
#define DSA_SIG WOLFSSL_DSA_SIG
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* header */
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