664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
/*
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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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* $FreeBSD$
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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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struct secasvar;
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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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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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void (*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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#ifdef _KERNEL
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extern struct ah_algorithm ah_algorithms[];
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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, 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,
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struct ah_algorithm *, struct secasvar *));
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#endif
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#endif /*_NETINET6_AH_H_*/
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