117 lines
4.5 KiB
C
Executable file
117 lines
4.5 KiB
C
Executable file
/* $OpenBSD: dh_local.h,v 1.3 2022/01/14 08:25:44 tb Exp $ */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
|
|
#ifndef HEADER_DH_LOCAL_H
|
|
#define HEADER_DH_LOCAL_H
|
|
|
|
__BEGIN_HIDDEN_DECLS
|
|
|
|
struct dh_method {
|
|
const char *name;
|
|
/* Methods here */
|
|
int (*generate_key)(DH *dh);
|
|
int (*compute_key)(unsigned char *key,const BIGNUM *pub_key,DH *dh);
|
|
int (*bn_mod_exp)(const DH *dh, BIGNUM *r, const BIGNUM *a,
|
|
const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
|
|
int (*init)(DH *dh);
|
|
int (*finish)(DH *dh);
|
|
int flags;
|
|
char *app_data;
|
|
/* If this is non-NULL, it will be used to generate parameters */
|
|
int (*generate_params)(DH *dh, int prime_len, int generator,
|
|
BN_GENCB *cb);
|
|
};
|
|
|
|
struct dh_st {
|
|
/* This first argument is used to pick up errors when
|
|
* a DH is passed instead of a EVP_PKEY */
|
|
int pad;
|
|
int version;
|
|
BIGNUM *p;
|
|
BIGNUM *g;
|
|
long length; /* optional */
|
|
BIGNUM *pub_key; /* g^x */
|
|
BIGNUM *priv_key; /* x */
|
|
|
|
int flags;
|
|
BN_MONT_CTX *method_mont_p;
|
|
/* Place holders if we want to do X9.42 DH */
|
|
BIGNUM *q;
|
|
BIGNUM *j;
|
|
unsigned char *seed;
|
|
int seedlen;
|
|
BIGNUM *counter;
|
|
|
|
int references;
|
|
CRYPTO_EX_DATA ex_data;
|
|
const DH_METHOD *meth;
|
|
ENGINE *engine;
|
|
};
|
|
|
|
/*
|
|
* Public API in OpenSSL that we only want to use internally.
|
|
*/
|
|
|
|
int DH_check_params_ex(const DH *dh);
|
|
int DH_check_params(const DH *dh, int *flags);
|
|
int DH_check_ex(const DH *dh);
|
|
int DH_check_pub_key_ex(const DH *dh, const BIGNUM *pub_key);
|
|
|
|
__END_HIDDEN_DECLS
|
|
|
|
#endif /* !HEADER_DH_LOCAL_H */
|