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-/* $OpenBSD: modulus.h,v 1.5 2002/06/09 08:13:08 todd Exp $ */
-/*
- * Copyright 1997-2000 Niels Provos <provos@citi.umich.edu>
- * All rights reserved.
- *
- * 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 above 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 software developed by Niels Provos.
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
- */
-/*
- * modulus.h:
- * modulus handling functions
- */
-
-#ifndef _MODULUS_H_
-#define _MODULUS_H_
-#include <sys/queue.h>
-
-/* Possible values for the status field */
-
-#define MOD_UNUSED 0
-#define MOD_COMPUTING 1
-#define MOD_PRIME 2
-#define MOD_NOTPRIME 3
-
-#define MOD_PRIME_ITER 5 /* Do each cycle */
-#define MOD_PRIME_MAX 20 /* > => Is prime */
-#define MOD_PRIME_TIME 4 /* max time in mod_check_prime */
-
-#define MOD_TIMEOUT 120
-
-struct moduli_cache {
- TAILQ_ENTRY(moduli_cache) next; /* Link to next member */
-
- BIGNUM *modulus; /* Modulus for computation */
- BIGNUM *generator; /* Used generator */
- BIGNUM *private_value; /* Our own private value */
- u_int8_t *exchangevalue; /* Our own exchange value */
- size_t exchangesize;
- int iterations; /* primality check iterations */
- int status; /* Status of the modulus */
- time_t lifetime; /* For modulus + exchange value */
-};
-
-/* Prototypes */
-void mod_init(void);
-
-int mod_insert(struct moduli_cache *ob);
-int mod_unlink(struct moduli_cache *ob);
-
-struct moduli_cache *mod_new_modgen(BIGNUM *, BIGNUM *);
-struct moduli_cache *mod_new_modulus(BIGNUM *);
-
-int mod_value_reset(struct moduli_cache *ob);
-
-struct moduli_cache *mod_find_modgen(BIGNUM *, BIGNUM *);
-struct moduli_cache *mod_find_modgen_next(struct moduli_cache *, BIGNUM *,
- BIGNUM *);
-struct moduli_cache *mod_find_modulus(BIGNUM *);
-struct moduli_cache *mod_find_generator(BIGNUM *);
-struct moduli_cache *mod_find_modulus_next(struct moduli_cache *, BIGNUM *);
-struct moduli_cache *mod_find_generator_next(struct moduli_cache *, BIGNUM *);
-
-void mod_check_prime(int iter, int tm);
-
-void mod_cleanup(void);
-
-
-#endif