68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/* dh.h
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*
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* Copyright (C) 2006-2012 Sawtooth Consulting Ltd.
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*
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* This file is part of CyaSSL.
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*
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* CyaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* CyaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef NO_DH
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#ifndef CTAO_CRYPT_DH_H
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#define CTAO_CRYPT_DH_H
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#include <cyassl/ctaocrypt/types.h>
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#include <cyassl/ctaocrypt/integer.h>
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#include <cyassl/ctaocrypt/random.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Diffie-Hellman Key */
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typedef struct DhKey {
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mp_int p, g; /* group parameters */
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} DhKey;
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CYASSL_API void InitDhKey(DhKey* key);
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CYASSL_API void FreeDhKey(DhKey* key);
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CYASSL_API int DhGenerateKeyPair(DhKey* key, RNG* rng, byte* priv,
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word32* privSz, byte* pub, word32* pubSz);
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CYASSL_API int DhAgree(DhKey* key, byte* agree, word32* agreeSz,
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const byte* priv, word32 privSz, const byte* otherPub,
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word32 pubSz);
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CYASSL_API int DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key,
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word32);
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CYASSL_API int DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
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word32 gSz);
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CYASSL_API int DhParamsLoad(const byte* input, word32 inSz, byte* p,
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word32* pInOutSz, byte* g, word32* gInOutSz);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* CTAO_CRYPT_DH_H */
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#endif /* NO_DH */
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