diff options
Diffstat (limited to 'newlib/libc/sys/linux/include/netinet6/esp.h')
| -rw-r--r-- | newlib/libc/sys/linux/include/netinet6/esp.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/include/netinet6/esp.h b/newlib/libc/sys/linux/include/netinet6/esp.h new file mode 100644 index 000000000..0a22f7a03 --- /dev/null +++ b/newlib/libc/sys/linux/include/netinet6/esp.h @@ -0,0 +1,109 @@ +/* $FreeBSD: src/sys/netinet6/esp.h,v 1.6 2002/04/19 04:46:22 suz Exp $ */ +/* $KAME: esp.h,v 1.19 2001/09/04 08:43:19 itojun Exp $ */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * RFC1827/2406 Encapsulated Security Payload. + */ + +#ifndef _NETINET6_ESP_H_ +#define _NETINET6_ESP_H_ + +#if defined(_KERNEL) && !defined(_LKM) +#include "opt_inet.h" +#endif + +struct esp { + u_int32_t esp_spi; /* ESP */ + /* variable size, 32bit bound */ /* Initialization Vector */ + /* variable size */ /* Payload data */ + /* variable size */ /* padding */ + /* 8bit */ /* pad size */ + /* 8bit */ /* next header */ + /* 8bit */ /* next header */ + /* variable size, 32bit bound */ /* Authentication data (new IPsec) */ +}; + +struct newesp { + u_int32_t esp_spi; /* ESP */ + u_int32_t esp_seq; /* Sequence number */ + /* variable size */ /* (IV and) Payload data */ + /* variable size */ /* padding */ + /* 8bit */ /* pad size */ + /* 8bit */ /* next header */ + /* 8bit */ /* next header */ + /* variable size, 32bit bound *//* Authentication data */ +}; + +struct esptail { + u_int8_t esp_padlen; /* pad length */ + u_int8_t esp_nxt; /* Next header */ + /* variable size, 32bit bound *//* Authentication data (new IPsec)*/ +}; + +#ifdef _KERNEL +struct secasvar; + +struct esp_algorithm { + size_t padbound; /* pad boundary, in byte */ + int ivlenval; /* iv length, in byte */ + int (*mature) __P((struct secasvar *)); + int keymin; /* in bits */ + int keymax; /* in bits */ + int (*schedlen) __P((const struct esp_algorithm *)); + const char *name; + int (*ivlen) __P((const struct esp_algorithm *, struct secasvar *)); + int (*decrypt) __P((struct mbuf *, size_t, + struct secasvar *, const struct esp_algorithm *, int)); + int (*encrypt) __P((struct mbuf *, size_t, size_t, + struct secasvar *, const struct esp_algorithm *, int)); + /* not supposed to be called directly */ + int (*schedule) __P((const struct esp_algorithm *, struct secasvar *)); + int (*blockdecrypt) __P((const struct esp_algorithm *, + struct secasvar *, u_int8_t *, u_int8_t *)); + int (*blockencrypt) __P((const struct esp_algorithm *, + struct secasvar *, u_int8_t *, u_int8_t *)); +}; + +extern const struct esp_algorithm *esp_algorithm_lookup __P((int)); +extern int esp_max_ivlen __P((void)); + +/* crypt routines */ +extern int esp4_output __P((struct mbuf *, struct ipsecrequest *)); +extern void esp4_input __P((struct mbuf *, int)); +extern size_t esp_hdrsiz __P((struct ipsecrequest *)); + +extern int esp_schedule __P((const struct esp_algorithm *, struct secasvar *)); +extern int esp_auth __P((struct mbuf *, size_t, size_t, + struct secasvar *, u_char *)); +#endif /* _KERNEL */ + +#endif /* _NETINET6_ESP_H_ */ |