source: UsbWattMeter/trunk/wolfssl-3.7.0/wolfssl/wolfcrypt/dsa.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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File size: 2.4 KB
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1/* dsa.h
2 *
3 * Copyright (C) 2006-2015 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL. (formerly known as CyaSSL)
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22#ifndef WOLF_CRYPT_DSA_H
23#define WOLF_CRYPT_DSA_H
24
25#include <wolfssl/wolfcrypt/types.h>
26
27#ifndef NO_DSA
28
29#include <wolfssl/wolfcrypt/integer.h>
30#include <wolfssl/wolfcrypt/random.h>
31
32/* for DSA reverse compatibility */
33#define InitDsaKey wc_InitDsaKey
34#define FreeDsaKey wc_FreeDsaKey
35#define DsaSign wc_DsaSign
36#define DsaVerify wc_DsaVerify
37#define DsaPublicKeyDecode wc_DsaPublicKeyDecode
38#define DsaPrivateKeyDecode wc_DsaPrivateKeyDecode
39#define DsaKeyToDer wc_DsaKeyToDer
40
41#ifdef __cplusplus
42 extern "C" {
43#endif
44
45
46enum {
47 DSA_PUBLIC = 0,
48 DSA_PRIVATE = 1
49};
50
51/* DSA */
52typedef struct DsaKey {
53 mp_int p, q, g, y, x;
54 int type; /* public or private */
55} DsaKey;
56
57WOLFSSL_API void wc_InitDsaKey(DsaKey* key);
58WOLFSSL_API void wc_FreeDsaKey(DsaKey* key);
59WOLFSSL_API int wc_DsaSign(const byte* digest, byte* out,
60 DsaKey* key, WC_RNG* rng);
61WOLFSSL_API int wc_DsaVerify(const byte* digest, const byte* sig,
62 DsaKey* key, int* answer);
63WOLFSSL_API int wc_DsaPublicKeyDecode(const byte* input, word32* inOutIdx,
64 DsaKey*, word32);
65WOLFSSL_API int wc_DsaPrivateKeyDecode(const byte* input, word32* inOutIdx,
66 DsaKey*, word32);
67WOLFSSL_API int wc_DsaKeyToDer(DsaKey* key, byte* output, word32 inLen);
68
69#ifdef WOLFSSL_KEY_GEN
70WOLFSSL_API int wc_MakeDsaKey(WC_RNG *rng, DsaKey *dsa);
71WOLFSSL_API int wc_MakeDsaParameters(WC_RNG *rng, int modulus_size, DsaKey *dsa);
72#endif
73
74#ifdef __cplusplus
75 } /* extern "C" */
76#endif
77
78#endif /* NO_DSA */
79#endif /* WOLF_CRYPT_DSA_H */
80
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