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142 lines
4.0 KiB
C
142 lines
4.0 KiB
C
/*
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* Copyright (c) 2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* $Id$
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*/
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#ifndef _HEIM_DH_H
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#define _HEIM_DH_H 1
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/* symbol renaming */
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#define DH_null_method hc_DH_null_method
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#define DH_imath_method hc_DH_imath_method
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#define DH_new hc_DH_new
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#define DH_new_method hc_DH_new_method
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#define DH_free hc_DH_free
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#define DH_up_ref hc_DH_up_ref
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#define DH_size hc_DH_size
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#define DH_set_default_method hc_DH_set_default_method
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#define DH_get_default_method hc_DH_get_default_method
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#define DH_set_method hc_DH_set_method
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#define DH_get_method hc_DH_get_method
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#define DH_set_ex_data hc_DH_set_ex_data
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#define DH_get_ex_data hc_DH_get_ex_data
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#define DH_generate_parameters_ex hc_DH_generate_parameters_ex
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#define DH_check_pubkey hc_DH_check_pubkey
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#define DH_generate_key hc_DH_generate_key
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#define DH_compute_key hc_DH_compute_key
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/*
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*
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*/
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typedef struct DH DH;
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typedef struct DH_METHOD DH_METHOD;
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#include <hcrypto/bn.h>
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#include <hcrypto/engine.h>
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struct DH_METHOD {
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const char *name;
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int (*generate_key)(DH *);
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int (*compute_key)(unsigned char *,const BIGNUM *,DH *);
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int (*bn_mod_exp)(const DH *, BIGNUM *, const BIGNUM *,
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const BIGNUM *, const BIGNUM *, BN_CTX *,
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BN_MONT_CTX *);
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int (*init)(DH *);
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int (*finish)(DH *);
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int flags;
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void *app_data;
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int (*generate_params)(DH *, int, int, BN_GENCB *);
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};
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struct DH {
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int pad;
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int version;
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BIGNUM *p;
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BIGNUM *g;
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long length;
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BIGNUM *pub_key;
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BIGNUM *priv_key;
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int flags;
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void *method_mont_p;
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BIGNUM *q;
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BIGNUM *j;
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void *seed;
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int seedlen;
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BIGNUM *counter;
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int references;
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struct CRYPTO_EX_DATA {
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void *sk;
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int dummy;
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} ex_data;
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const DH_METHOD *meth;
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ENGINE *engine;
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};
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/* DH_check_pubkey return codes in `codes' argument. */
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#define DH_CHECK_PUBKEY_TOO_SMALL 1
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#define DH_CHECK_PUBKEY_TOO_LARGE 2
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/*
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*
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*/
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const DH_METHOD *DH_null_method(void);
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const DH_METHOD *DH_imath_method(void);
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DH * DH_new(void);
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DH * DH_new_method(ENGINE *);
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void DH_free(DH *);
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int DH_up_ref(DH *);
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int DH_size(const DH *);
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void DH_set_default_method(const DH_METHOD *);
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const DH_METHOD *
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DH_get_default_method(void);
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int DH_set_method(DH *, const DH_METHOD *);
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int DH_set_ex_data(DH *, int, void *);
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void * DH_get_ex_data(DH *, int);
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int DH_generate_parameters_ex(DH *, int, int, BN_GENCB *);
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int DH_check_pubkey(const DH *, const BIGNUM *, int *);
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int DH_generate_key(DH *);
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int DH_compute_key(unsigned char *,const BIGNUM *,DH *);
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#endif /* _HEIM_DH_H */
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