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/* $OpenBSD: idgen.h,v 1.2 2008/06/25 00:55:53 djm Exp $ */
/*
* Copyright (c) 2008 Damien Miller <djm@mindrot.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define IDGEN32_ROUNDS 31
#define IDGEN32_KEYLEN 32
#define IDGEN32_REKEY_LIMIT 0x60000000
#define IDGEN32_REKEY_TIME 600
struct idgen32_ctx {
u_int32_t id_counter;
u_int32_t id_offset;
u_int32_t id_hibit;
u_int8_t id_key[IDGEN32_KEYLEN];
time_t id_rekey_time;
};
void idgen32_init(struct idgen32_ctx *);
u_int32_t idgen32(struct idgen32_ctx *);
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