wolfssl/cyassl/ctaocrypt/dsa.h
2013-02-05 12:44:17 -08:00

68 lines
1.8 KiB
C

/* dsa.h
*
* Copyright (C) 2006-2013 wolfSSL Inc.
*
* This file is part of CyaSSL.
*
* CyaSSL 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.
*
* CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef NO_DSA
#ifndef CTAO_CRYPT_DSA_H
#define CTAO_CRYPT_DSA_H
#include <cyassl/ctaocrypt/types.h>
#include <cyassl/ctaocrypt/integer.h>
#include <cyassl/ctaocrypt/random.h>
#ifdef __cplusplus
extern "C" {
#endif
enum {
DSA_PUBLIC = 0,
DSA_PRIVATE = 1
};
/* DSA */
typedef struct DsaKey {
mp_int p, q, g, y, x;
int type; /* public or private */
} DsaKey;
CYASSL_API void InitDsaKey(DsaKey* key);
CYASSL_API void FreeDsaKey(DsaKey* key);
CYASSL_API int DsaSign(const byte* digest, byte* out, DsaKey* key, RNG* rng);
CYASSL_API int DsaVerify(const byte* digest, const byte* sig, DsaKey* key,
int* answer);
CYASSL_API int DsaPublicKeyDecode(const byte* input, word32* inOutIdx, DsaKey*,
word32);
CYASSL_API int DsaPrivateKeyDecode(const byte* input, word32* inOutIdx, DsaKey*,
word32);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CTAO_CRYPT_DSA_H */
#endif /* NO_DSA */