[164] | 1 | /* dh.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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| 20 | */
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| 21 |
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| 22 | #ifndef WOLF_CRYPT_DH_H
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| 23 | #define WOLF_CRYPT_DH_H
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| 24 |
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| 25 | #include <wolfssl/wolfcrypt/types.h>
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| 26 |
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| 27 | #ifndef NO_DH
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| 28 |
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| 29 | #include <wolfssl/wolfcrypt/integer.h>
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| 30 | #include <wolfssl/wolfcrypt/random.h>
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| 31 |
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| 32 | #ifdef __cplusplus
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| 33 | extern "C" {
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| 34 | #endif
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| 35 |
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| 36 |
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| 37 | /* Diffie-Hellman Key */
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| 38 | typedef struct DhKey {
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| 39 | mp_int p, g; /* group parameters */
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| 40 | } DhKey;
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| 41 |
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| 42 |
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| 43 | WOLFSSL_API void wc_InitDhKey(DhKey* key);
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| 44 | WOLFSSL_API void wc_FreeDhKey(DhKey* key);
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| 45 |
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| 46 | WOLFSSL_API int wc_DhGenerateKeyPair(DhKey* key, WC_RNG* rng, byte* priv,
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| 47 | word32* privSz, byte* pub, word32* pubSz);
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| 48 | WOLFSSL_API int wc_DhAgree(DhKey* key, byte* agree, word32* agreeSz,
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| 49 | const byte* priv, word32 privSz, const byte* otherPub,
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| 50 | word32 pubSz);
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| 51 |
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| 52 | WOLFSSL_API int wc_DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key,
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| 53 | word32);
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| 54 | WOLFSSL_API int wc_DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
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| 55 | word32 gSz);
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| 56 | WOLFSSL_API int wc_DhParamsLoad(const byte* input, word32 inSz, byte* p,
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| 57 | word32* pInOutSz, byte* g, word32* gInOutSz);
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| 58 |
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| 59 |
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| 60 | #ifdef __cplusplus
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| 61 | } /* extern "C" */
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| 62 | #endif
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| 63 |
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| 64 | #endif /* NO_DH */
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| 65 | #endif /* WOLF_CRYPT_DH_H */
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| 66 |
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