[453] | 1 | /* dh.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2020 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 | /* dh.h for openSSL */
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| 23 |
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| 24 |
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| 25 | #ifndef WOLFSSL_DH_H_
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| 26 | #define WOLFSSL_DH_H_
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| 27 |
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| 28 | #include <wolfssl/openssl/bn.h>
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| 29 |
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| 30 | #ifdef __cplusplus
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| 31 | extern "C" {
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| 32 | #endif
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| 33 |
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| 34 | #ifndef WOLFSSL_DH_TYPE_DEFINED /* guard on redeclaration */
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| 35 | typedef struct WOLFSSL_DH WOLFSSL_DH;
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| 36 | #define WOLFSSL_DH_TYPE_DEFINED
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| 37 | #endif
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| 38 |
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| 39 | typedef WOLFSSL_DH DH;
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| 40 |
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| 41 | struct WOLFSSL_DH {
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| 42 | WOLFSSL_BIGNUM* p;
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| 43 | WOLFSSL_BIGNUM* g;
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| 44 | WOLFSSL_BIGNUM* q;
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| 45 | WOLFSSL_BIGNUM* pub_key; /* openssh deference g^x */
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| 46 | WOLFSSL_BIGNUM* priv_key; /* openssh deference x */
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| 47 | void* internal; /* our DH */
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| 48 | char inSet; /* internal set from external ? */
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| 49 | char exSet; /* external set from internal ? */
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| 50 | /*added for lighttpd openssl compatibility, go back and add a getter in
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| 51 | * lighttpd src code.
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| 52 | */
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| 53 | int length;
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| 54 | };
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| 55 |
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| 56 | WOLFSSL_API WOLFSSL_DH *wolfSSL_d2i_DHparams(WOLFSSL_DH **dh,
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| 57 | const unsigned char **pp, long length);
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| 58 | WOLFSSL_API int wolfSSL_i2d_DHparams(const WOLFSSL_DH *dh, unsigned char **out);
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| 59 | WOLFSSL_API WOLFSSL_DH* wolfSSL_DH_new(void);
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| 60 | WOLFSSL_API void wolfSSL_DH_free(WOLFSSL_DH*);
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| 61 |
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| 62 | WOLFSSL_API int wolfSSL_DH_check(const WOLFSSL_DH *dh, int *codes);
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| 63 | WOLFSSL_API int wolfSSL_DH_size(WOLFSSL_DH*);
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| 64 | WOLFSSL_API int wolfSSL_DH_generate_key(WOLFSSL_DH*);
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| 65 | WOLFSSL_API int wolfSSL_DH_compute_key(unsigned char* key, WOLFSSL_BIGNUM* pub,
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| 66 | WOLFSSL_DH*);
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| 67 | WOLFSSL_API int wolfSSL_DH_LoadDer(WOLFSSL_DH*, const unsigned char*, int sz);
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| 68 | WOLFSSL_API int wolfSSL_DH_set0_pqg(WOLFSSL_DH*, WOLFSSL_BIGNUM*,
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| 69 | WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*);
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| 70 |
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| 71 | #define DH_new wolfSSL_DH_new
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| 72 | #define DH_free wolfSSL_DH_free
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| 73 |
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| 74 | #define d2i_DHparams wolfSSL_d2i_DHparams
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| 75 | #define i2d_DHparams wolfSSL_i2d_DHparams
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| 76 | #define DH_check wolfSSL_DH_check
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| 77 |
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| 78 | #define DH_size wolfSSL_DH_size
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| 79 | #define DH_generate_key wolfSSL_DH_generate_key
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| 80 | #define DH_compute_key wolfSSL_DH_compute_key
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| 81 | #if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L
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| 82 | #define DH_set0_pqg wolfSSL_DH_set0_pqg
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| 83 | #endif
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| 84 | #define DH_bits(x) (BN_num_bits(x->p))
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| 85 |
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| 86 | #define DH_GENERATOR_2 2
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| 87 | #define DH_CHECK_P_NOT_PRIME 0x01
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| 88 | #define DH_CHECK_P_NOT_SAFE_PRIME 0x02
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| 89 | #define DH_NOT_SUITABLE_GENERATOR 0x08
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| 90 |
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| 91 | /* Temporary values for wolfSSL_DH_Check*/
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| 92 | #define DH_CHECK_INVALID_Q_VALUE 0x10
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| 93 | #define DH_CHECK_Q_NOT_PRIME 0x11
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| 94 | /* end temp */
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| 95 |
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| 96 | /* for pre 1.1.0 */
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| 97 | #define get_rfc2409_prime_768 wolfSSL_DH_768_prime
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| 98 | #define get_rfc2409_prime_1024 wolfSSL_DH_1024_prime
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| 99 | #define get_rfc3526_prime_1536 wolfSSL_DH_1536_prime
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| 100 | #define get_rfc3526_prime_2048 wolfSSL_DH_2048_prime
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| 101 | #define get_rfc3526_prime_3072 wolfSSL_DH_3072_prime
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| 102 | #define get_rfc3526_prime_4096 wolfSSL_DH_4096_prime
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| 103 | #define get_rfc3526_prime_6144 wolfSSL_DH_6144_prime
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| 104 | #define get_rfc3526_prime_8192 wolfSSL_DH_8192_prime
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| 105 |
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| 106 | #ifdef __cplusplus
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| 107 | } /* extern "C" */
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| 108 | #endif
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| 109 |
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| 110 | #if defined(OPENSSL_ALL) || defined(HAVE_STUNNEL)
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| 111 | #define DH_generate_parameters wolfSSL_DH_generate_parameters
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| 112 | #define DH_generate_parameters_ex wolfSSL_DH_generate_parameters_ex
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| 113 | #endif /* OPENSSL_ALL || HAVE_STUNNEL */
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| 114 |
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| 115 | #endif /* WOLFSSL_DH_H_ */
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