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Diffstat (limited to 'src/libfreeswan/ipsec_ah.h')
| -rw-r--r-- | src/libfreeswan/ipsec_ah.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/libfreeswan/ipsec_ah.h b/src/libfreeswan/ipsec_ah.h deleted file mode 100644 index aa34ce798..000000000 --- a/src/libfreeswan/ipsec_ah.h +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Authentication Header declarations - * Copyright (C) 1996, 1997 John Ioannidis. - * Copyright (C) 1998, 1999, 2000, 2001 Richard Guy Briggs. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * RCSID $Id: ipsec_ah.h 3265 2007-10-08 19:52:55Z andreas $ - */ - -#include "ipsec_md5h.h" -#include "ipsec_sha1.h" - -#ifndef IPPROTO_AH -#define IPPROTO_AH 51 -#endif /* IPPROTO_AH */ - -#define AH_FLENGTH 12 /* size of fixed part */ -#define AHMD5_KMAX 64 /* MD5 max 512 bits key */ -#define AHMD5_AMAX 12 /* MD5 96 bits of authenticator */ - -#define AHMD596_KLEN 16 /* MD5 128 bits key */ -#define AHSHA196_KLEN 20 /* SHA1 160 bits key */ - -#define AHMD596_ALEN 16 /* MD5 128 bits authentication length */ -#define AHSHA196_ALEN 20 /* SHA1 160 bits authentication length */ - -#define AHMD596_BLKLEN 64 /* MD5 block length */ -#define AHSHA196_BLKLEN 64 /* SHA1 block length */ -#define AHSHA2_256_BLKLEN 64 /* SHA2-256 block length */ -#define AHSHA2_384_BLKLEN 128 /* SHA2-384 block length (?) */ -#define AHSHA2_512_BLKLEN 128 /* SHA2-512 block length */ - -#define AH_BLKLEN_MAX 128 /* keep up to date! */ - -#define AH_AMAX AHSHA196_ALEN /* keep up to date! */ -#define AHHMAC_HASHLEN 12 /* authenticator length of 96bits */ -#define AHHMAC_RPLLEN 4 /* 32 bit replay counter */ - -#define DB_AH_PKTRX 0x0001 -#define DB_AH_PKTRX2 0x0002 -#define DB_AH_DMP 0x0004 -#define DB_AH_IPSA 0x0010 -#define DB_AH_XF 0x0020 -#define DB_AH_INAU 0x0040 -#define DB_AH_REPLAY 0x0100 - -#ifdef __KERNEL__ - -/* General HMAC algorithm is described in RFC 2104 */ - -#define HMAC_IPAD 0x36 -#define HMAC_OPAD 0x5C - -struct md5_ctx { - MD5_CTX ictx; /* context after H(K XOR ipad) */ - MD5_CTX octx; /* context after H(K XOR opad) */ -}; - -struct sha1_ctx { - SHA1_CTX ictx; /* context after H(K XOR ipad) */ - SHA1_CTX octx; /* context after H(K XOR opad) */ -}; - -struct auth_alg { - void (*init)(void *ctx); - void (*update)(void *ctx, unsigned char *bytes, __u32 len); - void (*final)(unsigned char *hash, void *ctx); - int hashlen; -}; - -extern struct inet_protocol ah_protocol; - -struct options; - -extern int -ah_rcv(struct sk_buff *skb, - struct device *dev, - struct options *opt, - __u32 daddr, - unsigned short len, - __u32 saddr, - int redo, - struct inet_protocol *protocol); - -struct ahhdr /* Generic AH header */ -{ - __u8 ah_nh; /* Next header (protocol) */ - __u8 ah_hl; /* AH length, in 32-bit words */ - __u16 ah_rv; /* reserved, must be 0 */ - __u32 ah_spi; /* Security Parameters Index */ - __u32 ah_rpl; /* Replay prevention */ - __u8 ah_data[AHHMAC_HASHLEN];/* Authentication hash */ -}; -#define AH_BASIC_LEN 8 /* basic AH header is 8 bytes, nh,hl,rv,spi - * and the ah_hl, says how many bytes after that - * to cover. */ - - -#ifdef CONFIG_IPSEC_DEBUG -extern int debug_ah; -#endif /* CONFIG_IPSEC_DEBUG */ -#endif /* __KERNEL__ */ |