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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet6/] [ah.h] - Blame information for rev 207

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Line No. Rev Author Line
1 207 jeremybenn
/*      $FreeBSD: src/sys/netinet6/ah.h,v 1.7 2002/04/19 04:46:22 suz Exp $     */
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/*      $KAME: ah.h,v 1.16 2001/09/04 08:43:19 itojun Exp $     */
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/*
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 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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 * 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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 * 3. Neither the name of the project nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/*
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 * RFC1826/2402 authentication header.
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 */
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#ifndef _NETINET6_AH_H_
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#define _NETINET6_AH_H_
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#if defined(_KERNEL) && !defined(_LKM)
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#include "opt_inet.h"
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#endif
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struct ah {
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        u_int8_t        ah_nxt;         /* Next Header */
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        u_int8_t        ah_len;         /* Length of data, in 32bit */
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        u_int16_t       ah_reserve;     /* Reserved for future use */
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        u_int32_t       ah_spi;         /* Security parameter index */
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        /* variable size, 32bit bound*/ /* Authentication data */
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};
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struct newah {
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        u_int8_t        ah_nxt;         /* Next Header */
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        u_int8_t        ah_len;         /* Length of data + 1, in 32bit */
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        u_int16_t       ah_reserve;     /* Reserved for future use */
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        u_int32_t       ah_spi;         /* Security parameter index */
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        u_int32_t       ah_seq;         /* Sequence number field */
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        /* variable size, 32bit bound*/ /* Authentication data */
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};
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#ifdef _KERNEL
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struct secasvar;
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struct ah_algorithm_state {
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        struct secasvar *sav;
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        void* foo;      /* per algorithm data - maybe */
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};
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struct ah_algorithm {
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        int (*sumsiz) __P((struct secasvar *));
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        int (*mature) __P((struct secasvar *));
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        int keymin;     /* in bits */
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        int keymax;     /* in bits */
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        const char *name;
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        int (*init) __P((struct ah_algorithm_state *, struct secasvar *));
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        void (*update) __P((struct ah_algorithm_state *, caddr_t, size_t));
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        void (*result) __P((struct ah_algorithm_state *, caddr_t));
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};
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#define AH_MAXSUMSIZE   16
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extern const struct ah_algorithm *ah_algorithm_lookup __P((int));
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/* cksum routines */
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extern int ah_hdrlen __P((struct secasvar *));
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extern size_t ah_hdrsiz __P((struct ipsecrequest *));
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extern void ah4_input __P((struct mbuf *, int));
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extern int ah4_output __P((struct mbuf *, struct ipsecrequest *));
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extern int ah4_calccksum __P((struct mbuf *, caddr_t, size_t,
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        const struct ah_algorithm *, struct secasvar *));
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#endif /* _KERNEL */
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#endif /* _NETINET6_AH_H_ */

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