[388] | 1 | /* dh.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL.
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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 02110-1335, USA
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| 20 | */
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| 21 |
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| 22 | /*!
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| 23 | \file wolfssl/wolfcrypt/dh.h
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| 24 | */
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| 25 |
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| 26 | #ifndef WOLF_CRYPT_DH_H
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| 27 | #define WOLF_CRYPT_DH_H
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| 28 |
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| 29 | #include <wolfssl/wolfcrypt/types.h>
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| 30 |
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| 31 | #ifndef NO_DH
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| 32 |
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| 33 | #if defined(HAVE_FIPS) && \
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| 34 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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| 35 | #include <wolfssl/wolfcrypt/fips.h>
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| 36 | #endif /* HAVE_FIPS_VERSION >= 2 */
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| 37 |
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| 38 | #include <wolfssl/wolfcrypt/integer.h>
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| 39 | #include <wolfssl/wolfcrypt/random.h>
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| 40 |
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| 41 | #ifdef __cplusplus
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| 42 | extern "C" {
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| 43 | #endif
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| 44 |
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| 45 | #ifdef WOLFSSL_ASYNC_CRYPT
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| 46 | #include <wolfssl/wolfcrypt/async.h>
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| 47 | #endif
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| 48 | typedef struct DhParams {
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| 49 | #ifdef HAVE_FFDHE_Q
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| 50 | const byte* q;
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| 51 | word32 q_len;
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| 52 | #endif /* HAVE_FFDHE_Q */
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| 53 | const byte* p;
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| 54 | word32 p_len;
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| 55 | const byte* g;
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| 56 | word32 g_len;
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| 57 | } DhParams;
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| 58 |
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| 59 | /* Diffie-Hellman Key */
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| 60 | typedef struct DhKey {
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| 61 | mp_int p, g, q; /* group parameters */
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| 62 | void* heap;
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| 63 | #ifdef WOLFSSL_ASYNC_CRYPT
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| 64 | WC_ASYNC_DEV asyncDev;
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| 65 | #endif
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| 66 | } DhKey;
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| 67 |
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| 68 |
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| 69 | #ifdef HAVE_FFDHE_2048
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| 70 | WOLFSSL_API const DhParams* wc_Dh_ffdhe2048_Get(void);
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| 71 | #endif
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| 72 | #ifdef HAVE_FFDHE_3072
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| 73 | WOLFSSL_API const DhParams* wc_Dh_ffdhe3072_Get(void);
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| 74 | #endif
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| 75 | #ifdef HAVE_FFDHE_4096
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| 76 | WOLFSSL_API const DhParams* wc_Dh_ffdhe4096_Get(void);
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| 77 | #endif
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| 78 | #ifdef HAVE_FFDHE_6144
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| 79 | WOLFSSL_API const DhParams* wc_Dh_ffdhe6144_Get(void);
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| 80 | #endif
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| 81 | #ifdef HAVE_FFDHE_8192
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| 82 | WOLFSSL_API const DhParams* wc_Dh_ffdhe8192_Get(void);
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| 83 | #endif
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| 84 |
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| 85 | WOLFSSL_API int wc_InitDhKey(DhKey* key);
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| 86 | WOLFSSL_API int wc_InitDhKey_ex(DhKey* key, void* heap, int devId);
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| 87 | WOLFSSL_API int wc_FreeDhKey(DhKey* key);
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| 88 |
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| 89 | WOLFSSL_API int wc_DhGenerateKeyPair(DhKey* key, WC_RNG* rng, byte* priv,
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| 90 | word32* privSz, byte* pub, word32* pubSz);
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| 91 | WOLFSSL_API int wc_DhAgree(DhKey* key, byte* agree, word32* agreeSz,
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| 92 | const byte* priv, word32 privSz, const byte* otherPub,
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| 93 | word32 pubSz);
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| 94 |
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| 95 | WOLFSSL_API int wc_DhKeyDecode(const byte* input, word32* inOutIdx, DhKey* key,
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| 96 | word32);
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| 97 | WOLFSSL_API int wc_DhSetKey(DhKey* key, const byte* p, word32 pSz, const byte* g,
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| 98 | word32 gSz);
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| 99 | WOLFSSL_API int wc_DhSetKey_ex(DhKey* key, const byte* p, word32 pSz,
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| 100 | const byte* g, word32 gSz, const byte* q, word32 qSz);
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| 101 | WOLFSSL_API int wc_DhSetCheckKey(DhKey* key, const byte* p, word32 pSz,
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| 102 | const byte* g, word32 gSz, const byte* q, word32 qSz,
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| 103 | int trusted, WC_RNG* rng);
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| 104 | WOLFSSL_API int wc_DhParamsLoad(const byte* input, word32 inSz, byte* p,
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| 105 | word32* pInOutSz, byte* g, word32* gInOutSz);
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| 106 | WOLFSSL_API int wc_DhCheckPubKey(DhKey* key, const byte* pub, word32 pubSz);
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| 107 | WOLFSSL_API int wc_DhCheckPubKey_ex(DhKey* key, const byte* pub, word32 pubSz,
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| 108 | const byte* prime, word32 primeSz);
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| 109 | WOLFSSL_API int wc_DhCheckPrivKey(DhKey* key, const byte* priv, word32 pubSz);
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| 110 | WOLFSSL_API int wc_DhCheckPrivKey_ex(DhKey* key, const byte* priv, word32 pubSz,
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| 111 | const byte* prime, word32 primeSz);
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| 112 | WOLFSSL_API int wc_DhCheckKeyPair(DhKey* key, const byte* pub, word32 pubSz,
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| 113 | const byte* priv, word32 privSz);
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| 114 | WOLFSSL_API int wc_DhGenerateParams(WC_RNG *rng, int modSz, DhKey *dh);
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| 115 | WOLFSSL_API int wc_DhExportParamsRaw(DhKey* dh, byte* p, word32* pSz,
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| 116 | byte* q, word32* qSz, byte* g, word32* gSz);
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| 117 |
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| 118 |
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| 119 | #ifdef __cplusplus
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| 120 | } /* extern "C" */
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| 121 | #endif
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| 122 |
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| 123 | #endif /* NO_DH */
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| 124 | #endif /* WOLF_CRYPT_DH_H */
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| 125 |
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