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

Last change on this file since 164 was 164, checked in by coas-nagasima, 7 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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  • Property svn:mime-type set to text/x-chdr
File size: 2.0 KB
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1/* dh.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_DH_H
23#define WOLF_CRYPT_DH_H
24
25#include <wolfssl/wolfcrypt/types.h>
26
27#ifndef NO_DH
28
29#include <wolfssl/wolfcrypt/integer.h>
30#include <wolfssl/wolfcrypt/random.h>
31
32#ifdef __cplusplus
33 extern "C" {
34#endif
35
36
37/* Diffie-Hellman Key */
38typedef struct DhKey {
39 mp_int p, g; /* group parameters */
40} DhKey;
41
42
43WOLFSSL_API void wc_InitDhKey(DhKey* key);
44WOLFSSL_API void wc_FreeDhKey(DhKey* key);
45
46WOLFSSL_API int wc_DhGenerateKeyPair(DhKey* key, WC_RNG* rng, byte* priv,
47 word32* privSz, byte* pub, word32* pubSz);
48WOLFSSL_API int wc_DhAgree(DhKey* key, byte* agree, word32* agreeSz,
49 const byte* priv, word32 privSz, const byte* otherPub,
50 word32 pubSz);
51
52WOLFSSL_API int wc_DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key,
53 word32);
54WOLFSSL_API int wc_DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
55 word32 gSz);
56WOLFSSL_API int wc_DhParamsLoad(const byte* input, word32 inSz, byte* p,
57 word32* pInOutSz, byte* g, word32* gInOutSz);
58
59
60#ifdef __cplusplus
61 } /* extern "C" */
62#endif
63
64#endif /* NO_DH */
65#endif /* WOLF_CRYPT_DH_H */
66
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