1 |
/*!\file netinet6/esp.h
|
1 |
/*!\file netinet6/esp.h
|
2 |
*
|
2 |
*
|
3 |
*/
|
3 |
*/
|
4 |
|
4 |
|
5 |
/* $FreeBSD: src/sys/netinet6/esp.h,v 1.6 2002/04/19 04:46:22 suz Exp $ */
|
5 |
/* $FreeBSD: src/sys/netinet6/esp.h,v 1.6 2002/04/19 04:46:22 suz Exp $ */
|
6 |
/* $KAME: esp.h,v 1.19 2001/09/04 08:43:19 itojun Exp $ */
|
6 |
/* $KAME: esp.h,v 1.19 2001/09/04 08:43:19 itojun Exp $ */
|
7 |
|
7 |
|
8 |
/*
|
8 |
/*
|
9 |
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
9 |
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
10 |
* All rights reserved.
|
10 |
* All rights reserved.
|
11 |
*
|
11 |
*
|
12 |
* Redistribution and use in source and binary forms, with or without
|
12 |
* Redistribution and use in source and binary forms, with or without
|
13 |
* modification, are permitted provided that the following conditions
|
13 |
* modification, are permitted provided that the following conditions
|
14 |
* are met:
|
14 |
* are met:
|
15 |
* 1. Redistributions of source code must retain the above copyright
|
15 |
* 1. Redistributions of source code must retain the above copyright
|
16 |
* notice, this list of conditions and the following disclaimer.
|
16 |
* notice, this list of conditions and the following disclaimer.
|
17 |
* 2. Redistributions in binary form must reproduce the above copyright
|
17 |
* 2. Redistributions in binary form must reproduce the above copyright
|
18 |
* notice, this list of conditions and the following disclaimer in the
|
18 |
* notice, this list of conditions and the following disclaimer in the
|
19 |
* documentation and/or other materials provided with the distribution.
|
19 |
* documentation and/or other materials provided with the distribution.
|
20 |
* 3. Neither the name of the project nor the names of its contributors
|
20 |
* 3. Neither the name of the project nor the names of its contributors
|
21 |
* may be used to endorse or promote products derived from this software
|
21 |
* may be used to endorse or promote products derived from this software
|
22 |
* without specific prior written permission.
|
22 |
* without specific prior written permission.
|
23 |
*
|
23 |
*
|
24 |
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
24 |
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
25 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
25 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
26 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
26 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
27 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
27 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
28 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
28 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
29 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
29 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
30 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
30 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
31 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
31 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
32 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
32 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
33 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
33 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
34 |
* SUCH DAMAGE.
|
34 |
* SUCH DAMAGE.
|
35 |
*/
|
35 |
*/
|
36 |
|
36 |
|
37 |
/*
|
37 |
/*
|
38 |
* RFC1827/2406 Encapsulated Security Payload.
|
38 |
* RFC1827/2406 Encapsulated Security Payload.
|
39 |
*/
|
39 |
*/
|
40 |
|
40 |
|
41 |
#ifndef _NETINET6_ESP_H_
|
41 |
#ifndef _NETINET6_ESP_H_
|
42 |
#define _NETINET6_ESP_H_
|
42 |
#define _NETINET6_ESP_H_
|
43 |
|
43 |
|
44 |
#if defined(_KERNEL) && !defined(_LKM)
|
44 |
#if defined(_KERNEL) && !defined(_LKM)
|
45 |
#include "opt_inet.h"
|
45 |
#include "opt_inet.h"
|
46 |
#endif
|
46 |
#endif
|
47 |
|
47 |
|
48 |
struct esp {
|
48 |
struct esp {
|
49 |
u_int32_t esp_spi; /* ESP */
|
49 |
u_int32_t esp_spi; /* ESP */
|
50 |
/* variable size, 32bit bound *//* Initialization Vector */
|
50 |
/* variable size, 32bit bound *//* Initialization Vector */
|
51 |
/* variable size */ /* Payload data */
|
51 |
/* variable size */ /* Payload data */
|
52 |
/* variable size */ /* padding */
|
52 |
/* variable size */ /* padding */
|
53 |
/* 8bit */ /* pad size */
|
53 |
/* 8bit */ /* pad size */
|
54 |
/* 8bit */ /* next header */
|
54 |
/* 8bit */ /* next header */
|
55 |
/* 8bit */ /* next header */
|
55 |
/* 8bit */ /* next header */
|
56 |
/* variable size, 32bit bound */ /* Authentication data (new IPsec) */
|
56 |
/* variable size, 32bit bound */ /* Authentication data (new IPsec) */
|
57 |
};
|
57 |
};
|
58 |
|
58 |
|
59 |
struct newesp {
|
59 |
struct newesp {
|
60 |
u_int32_t esp_spi; /* ESP */
|
60 |
u_int32_t esp_spi; /* ESP */
|
61 |
u_int32_t esp_seq; /* Sequence number */
|
61 |
u_int32_t esp_seq; /* Sequence number */
|
62 |
/* variable size */ /* (IV and) Payload data */
|
62 |
/* variable size */ /* (IV and) Payload data */
|
63 |
/* variable size */ /* padding */
|
63 |
/* variable size */ /* padding */
|
64 |
/* 8bit */ /* pad size */
|
64 |
/* 8bit */ /* pad size */
|
65 |
/* 8bit */ /* next header */
|
65 |
/* 8bit */ /* next header */
|
66 |
/* 8bit */ /* next header */
|
66 |
/* 8bit */ /* next header */
|
67 |
/* variable size, 32bit bound *//* Authentication data */
|
67 |
/* variable size, 32bit bound *//* Authentication data */
|
68 |
};
|
68 |
};
|
69 |
|
69 |
|
70 |
struct esptail {
|
70 |
struct esptail {
|
71 |
u_int8_t esp_padlen; /* pad length */
|
71 |
u_int8_t esp_padlen; /* pad length */
|
72 |
u_int8_t esp_nxt; /* Next header */
|
72 |
u_int8_t esp_nxt; /* Next header */
|
73 |
/* variable size, 32bit bound *//* Authentication data (new IPsec)*/
|
73 |
/* variable size, 32bit bound *//* Authentication data (new IPsec)*/
|
74 |
};
|
74 |
};
|
75 |
|
75 |
|
76 |
#ifdef _KERNEL
|
76 |
#ifdef _KERNEL
|
77 |
struct secasvar;
|
77 |
struct secasvar;
|
78 |
|
78 |
|
79 |
struct esp_algorithm {
|
79 |
struct esp_algorithm {
|
80 |
size_t padbound; /* pad boundary, in byte */
|
80 |
size_t padbound; /* pad boundary, in byte */
|
81 |
int ivlenval; /* iv length, in byte */
|
81 |
int ivlenval; /* iv length, in byte */
|
82 |
int (*mature) (struct secasvar *);
|
82 |
int (*mature) (struct secasvar *);
|
83 |
int keymin; /* in bits */
|
83 |
int keymin; /* in bits */
|
84 |
int keymax; /* in bits */
|
84 |
int keymax; /* in bits */
|
85 |
int (*schedlen) (const struct esp_algorithm *);
|
85 |
int (*schedlen) (const struct esp_algorithm *);
|
86 |
const char *name;
|
86 |
const char *name;
|
87 |
int (*ivlen) (const struct esp_algorithm *, struct secasvar *);
|
87 |
int (*ivlen) (const struct esp_algorithm *, struct secasvar *);
|
88 |
int (*decrypt) (struct mbuf *, size_t,
|
88 |
int (*decrypt) (struct mbuf *, size_t,
|
89 |
struct secasvar *, const struct esp_algorithm *, int);
|
89 |
struct secasvar *, const struct esp_algorithm *, int);
|
90 |
int (*encrypt) (struct mbuf *, size_t, size_t,
|
90 |
int (*encrypt) (struct mbuf *, size_t, size_t,
|
91 |
struct secasvar *, const struct esp_algorithm *, int);
|
91 |
struct secasvar *, const struct esp_algorithm *, int);
|
92 |
/* not supposed to be called directly */
|
92 |
/* not supposed to be called directly */
|
93 |
int (*schedule) (const struct esp_algorithm *, struct secasvar *);
|
93 |
int (*schedule) (const struct esp_algorithm *, struct secasvar *);
|
94 |
int (*blockdecrypt) (const struct esp_algorithm *,
|
94 |
int (*blockdecrypt) (const struct esp_algorithm *,
|
95 |
struct secasvar *, u_int8_t *, u_int8_t *);
|
95 |
struct secasvar *, u_int8_t *, u_int8_t *);
|
96 |
int (*blockencrypt) (const struct esp_algorithm *,
|
96 |
int (*blockencrypt) (const struct esp_algorithm *,
|
97 |
struct secasvar *, u_int8_t *, u_int8_t *);
|
97 |
struct secasvar *, u_int8_t *, u_int8_t *);
|
98 |
};
|
98 |
};
|
99 |
|
99 |
|
100 |
extern const struct esp_algorithm *esp_algorithm_lookup (int);
|
100 |
extern const struct esp_algorithm *esp_algorithm_lookup (int);
|
101 |
extern int esp_max_ivlen (void);
|
101 |
extern int esp_max_ivlen (void);
|
102 |
|
102 |
|
103 |
/* crypt routines */
|
103 |
/* crypt routines */
|
104 |
extern int esp4_output (struct mbuf *, struct ipsecrequest *);
|
104 |
extern int esp4_output (struct mbuf *, struct ipsecrequest *);
|
105 |
extern void esp4_input (struct mbuf *, int);
|
105 |
extern void esp4_input (struct mbuf *, int);
|
106 |
extern size_t esp_hdrsiz (struct ipsecrequest *);
|
106 |
extern size_t esp_hdrsiz (struct ipsecrequest *);
|
107 |
|
107 |
|
108 |
extern int esp_schedule (const struct esp_algorithm *, struct secasvar *);
|
108 |
extern int esp_schedule (const struct esp_algorithm *, struct secasvar *);
|
109 |
extern int esp_auth (struct mbuf *, size_t, size_t,
|
109 |
extern int esp_auth (struct mbuf *, size_t, size_t,
|
110 |
struct secasvar *, u_char *);
|
110 |
struct secasvar *, u_char *);
|
111 |
#endif /* _KERNEL */
|
111 |
#endif /* _KERNEL */
|
112 |
|
112 |
|
113 |
#endif /* _NETINET6_ESP_H_ */
|
113 |
#endif /* _NETINET6_ESP_H_ */
|
114 |
|
114 |
|