/usr/include/wolfssl/wolfcrypt/dsa.h is in libwolfssl-dev 3.13.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | /* dsa.h
*
* Copyright (C) 2006-2017 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
*/
#ifndef WOLF_CRYPT_DSA_H
#define WOLF_CRYPT_DSA_H
#include <wolfssl/wolfcrypt/types.h>
#ifndef NO_DSA
#include <wolfssl/wolfcrypt/integer.h>
#include <wolfssl/wolfcrypt/random.h>
/* for DSA reverse compatibility */
#define InitDsaKey wc_InitDsaKey
#define FreeDsaKey wc_FreeDsaKey
#define DsaSign wc_DsaSign
#define DsaVerify wc_DsaVerify
#define DsaPublicKeyDecode wc_DsaPublicKeyDecode
#define DsaPrivateKeyDecode wc_DsaPrivateKeyDecode
#define DsaKeyToDer wc_DsaKeyToDer
#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 */
void* heap; /* memory hint */
} DsaKey;
WOLFSSL_API int wc_InitDsaKey(DsaKey* key);
WOLFSSL_API int wc_InitDsaKey_h(DsaKey* key, void* h);
WOLFSSL_API void wc_FreeDsaKey(DsaKey* key);
WOLFSSL_API int wc_DsaSign(const byte* digest, byte* out,
DsaKey* key, WC_RNG* rng);
WOLFSSL_API int wc_DsaVerify(const byte* digest, const byte* sig,
DsaKey* key, int* answer);
WOLFSSL_API int wc_DsaPublicKeyDecode(const byte* input, word32* inOutIdx,
DsaKey*, word32);
WOLFSSL_API int wc_DsaPrivateKeyDecode(const byte* input, word32* inOutIdx,
DsaKey*, word32);
WOLFSSL_API int wc_DsaKeyToDer(DsaKey* key, byte* output, word32 inLen);
#ifdef WOLFSSL_KEY_GEN
WOLFSSL_API int wc_MakeDsaKey(WC_RNG *rng, DsaKey *dsa);
WOLFSSL_API int wc_MakeDsaParameters(WC_RNG *rng, int modulus_size, DsaKey *dsa);
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* NO_DSA */
#endif /* WOLF_CRYPT_DSA_H */
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