xform_auth.h revision 158703 
1/*	$FreeBSD: head/sys/opencrypto/xform.h 158703 2006-05-17 18:24:17Z pjd $	*/
2/*	$OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $	*/
3
4/*-
5 * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
6 *
7 * This code was written by Angelos D. Keromytis in Athens, Greece, in
8 * February 2000. Network Security Technologies Inc. (NSTI) kindly
9 * supported the development of this code.
10 *
11 * Copyright (c) 2000 Angelos D. Keromytis
12 *
13 * Permission to use, copy, and modify this software without fee
14 * is hereby granted, provided that this entire notice is included in
15 * all source code copies of any software which is or includes a copy or
16 * modification of this software.
17 *
18 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
19 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
20 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
21 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
22 * PURPOSE.
23 */
24
25#ifndef _CRYPTO_XFORM_H_
26#define _CRYPTO_XFORM_H_
27
28#include <sys/md5.h>
29#include <crypto/sha1.h>
30#include <crypto/sha2/sha2.h>
31#include <opencrypto/rmd160.h>
32
33/* Declarations */
34struct auth_hash {
35	int type;
36	char *name;
37	u_int16_t keysize;
38	u_int16_t hashsize;
39	u_int16_t blocksize;
40	u_int16_t ctxsize;
41	void (*Init) (void *);
42	int  (*Update) (void *, u_int8_t *, u_int16_t);
43	void (*Final) (u_int8_t *, void *);
44};
45
46#define	AH_ALEN_MAX	20	/* max authenticator hash length */
47
48struct enc_xform {
49	int type;
50	char *name;
51	u_int16_t blocksize;
52	u_int16_t minkey, maxkey;
53	void (*encrypt) (caddr_t, u_int8_t *);
54	void (*decrypt) (caddr_t, u_int8_t *);
55	int (*setkey) (u_int8_t **, u_int8_t *, int len);
56	void (*zerokey) (u_int8_t **);
57};
58
59struct comp_algo {
60	int type;
61	char *name;
62	size_t minlen;
63	u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
64	u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
65};
66
67union authctx {
68	MD5_CTX md5ctx;
69	SHA1_CTX sha1ctx;
70	RMD160_CTX rmd160ctx;
71	SHA256_CTX sha256ctx;
72	SHA384_CTX sha384ctx;
73	SHA512_CTX sha512ctx;
74};
75
76extern struct enc_xform enc_xform_null;
77extern struct enc_xform enc_xform_des;
78extern struct enc_xform enc_xform_3des;
79extern struct enc_xform enc_xform_blf;
80extern struct enc_xform enc_xform_cast5;
81extern struct enc_xform enc_xform_skipjack;
82extern struct enc_xform enc_xform_rijndael128;
83extern struct enc_xform enc_xform_arc4;
84
85extern struct auth_hash auth_hash_null;
86extern struct auth_hash auth_hash_key_md5;
87extern struct auth_hash auth_hash_key_sha1;
88extern struct auth_hash auth_hash_hmac_md5;
89extern struct auth_hash auth_hash_hmac_sha1;
90extern struct auth_hash auth_hash_hmac_ripemd_160;
91extern struct auth_hash auth_hash_hmac_sha2_256;
92extern struct auth_hash auth_hash_hmac_sha2_384;
93extern struct auth_hash auth_hash_hmac_sha2_512;
94
95extern struct comp_algo comp_algo_deflate;
96
97#ifdef _KERNEL
98#include <sys/malloc.h>
99MALLOC_DECLARE(M_XDATA);
100#endif
101#endif /* _CRYPTO_XFORM_H_ */
102