/* $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 *);