wolfSSL SSL/TLS library, support up to TLS1.3
Dependents: CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more
Diff: wolfssl/wolfcrypt/dh.h
- Revision:
- 4:1b0d80432c79
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wolfssl/wolfcrypt/dh.h Thu Apr 28 00:57:21 2016 +0000 @@ -0,0 +1,68 @@ +/* dh.h + * + * Copyright (C) 2006-2016 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_DH_H +#define WOLF_CRYPT_DH_H + +#include <wolfssl/wolfcrypt/types.h> + +#ifndef NO_DH + +#include <wolfssl/wolfcrypt/integer.h> +#include <wolfssl/wolfcrypt/random.h> + +#ifdef __cplusplus + extern "C" { +#endif + + +/* Diffie-Hellman Key */ +typedef struct DhKey { + mp_int p, g; /* group parameters */ +} DhKey; + + +WOLFSSL_API void wc_InitDhKey(DhKey* key); +WOLFSSL_API void wc_FreeDhKey(DhKey* key); + +WOLFSSL_API int wc_DhGenerateKeyPair(DhKey* key, WC_RNG* rng, byte* priv, + word32* privSz, byte* pub, word32* pubSz); +WOLFSSL_API int wc_DhAgree(DhKey* key, byte* agree, word32* agreeSz, + const byte* priv, word32 privSz, const byte* otherPub, + word32 pubSz); + +WOLFSSL_API int wc_DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key, + word32); +WOLFSSL_API int wc_DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g, + word32 gSz); +WOLFSSL_API int wc_DhParamsLoad(const byte* input, word32 inSz, byte* p, + word32* pInOutSz, byte* g, word32* gInOutSz); + + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +#endif /* NO_DH */ +#endif /* WOLF_CRYPT_DH_H */ + +