| [16800] | 1 | /* $OpenBSD: dh.h,v 1.7 2001/06/26 17:27:23 markus Exp $ */ |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (c) 2000 Niels Provos. All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * 1. Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * |
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| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 25 | */ |
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| 26 | #ifndef DH_H |
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| 27 | #define DH_H |
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| 28 | |
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| 29 | struct dhgroup { |
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| 30 | int size; |
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| 31 | BIGNUM *g; |
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| 32 | BIGNUM *p; |
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| 33 | }; |
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| 34 | |
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| 35 | DH *choose_dh(int, int, int); |
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| 36 | DH *dh_new_group_asc(const char *, const char *); |
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| 37 | DH *dh_new_group(BIGNUM *, BIGNUM *); |
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| 38 | DH *dh_new_group1(void); |
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| 39 | |
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| 40 | void dh_gen_key(DH *, int); |
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| 41 | int dh_pub_is_valid(DH *, BIGNUM *); |
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| 42 | |
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| 43 | int dh_estimate(int); |
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| 44 | |
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| 45 | #define DH_GRP_MIN 1024 |
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| 46 | #define DH_GRP_MAX 8192 |
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| 47 | |
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| 48 | #endif |
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