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50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* $OpenBSD: dh.h,v 1.9 2006/03/25 22:22:43 djm Exp $ */
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/*
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* Copyright (c) 2000 Niels Provos. 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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* 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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* 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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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DH_H
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#define DH_H
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struct dhgroup {
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int size;
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BIGNUM *g;
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BIGNUM *p;
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};
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DH *choose_dh(int, int, int);
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DH *dh_new_group_asc(const char *, const char *);
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DH *dh_new_group(BIGNUM *, BIGNUM *);
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DH *dh_new_group1(void);
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DH *dh_new_group14(void);
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void dh_gen_key(DH *, int);
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int dh_pub_is_valid(DH *, BIGNUM *);
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int dh_estimate(int);
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#define DH_GRP_MIN 1024
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#define DH_GRP_MAX 8192
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#endif
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