1 /*	$NetBSD: xform.h,v 1.19 2011/05/26 21:50:03 drochner Exp $ */
2 /*	$FreeBSD: src/sys/opencrypto/xform.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $	*/
3 /*	$OpenBSD: xform.h,v 1.10 2002/04/22 23:10:09 deraadt Exp $	*/
4 
5 /*
6  * The author of this code is Angelos D. Keromytis (angelos@cis.upenn.edu)
7  *
8  * This code was written by Angelos D. Keromytis in Athens, Greece, in
9  * February 2000. Network Security Technologies Inc. (NSTI) kindly
10  * supported the development of this code.
11  *
12  * Copyright (c) 2000 Angelos D. Keromytis
13  *
14  * Permission to use, copy, and modify this software with or without fee
15  * is hereby granted, provided that this entire notice is included in
16  * all source code copies of any software which is or includes a copy or
17  * modification of this software.
18  *
19  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
20  * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
21  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
22  * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
23  * PURPOSE.
24  */
25 
26 #ifndef _CRYPTO_XFORM_H_
27 #define _CRYPTO_XFORM_H_
28 
29 /* Declarations */
30 struct auth_hash {
31 	int type;
32 	const char *name;
33 	u_int16_t keysize;
34 	u_int16_t hashsize;
35 	u_int16_t authsize;
36 	u_int16_t blocksize;
37 };
38 
39 /* Provide array-limit for clients (e.g., netipsec) */
40 #define	AH_ALEN_MAX	32	/* max authenticator hash length */
41 
42 struct enc_xform {
43 	int type;
44 	const char *name;
45 	u_int16_t blocksize, ivsize;
46 	u_int16_t minkey, maxkey;
47 };
48 
49 struct comp_algo {
50 	int type;
51 	const char *name;
52 	size_t minlen;
53 };
54 
55 extern const u_int8_t hmac_ipad_buffer[128];
56 extern const u_int8_t hmac_opad_buffer[128];
57 
58 extern const struct enc_xform enc_xform_null;
59 extern const struct enc_xform enc_xform_des;
60 extern const struct enc_xform enc_xform_3des;
61 extern const struct enc_xform enc_xform_blf;
62 extern const struct enc_xform enc_xform_cast5;
63 extern const struct enc_xform enc_xform_skipjack;
64 extern const struct enc_xform enc_xform_rijndael128;
65 extern const struct enc_xform enc_xform_arc4;
66 extern const struct enc_xform enc_xform_camellia;
67 extern const struct enc_xform enc_xform_aes_ctr;
68 extern const struct enc_xform enc_xform_aes_gcm;
69 extern const struct enc_xform enc_xform_aes_gmac;
70 
71 extern const struct auth_hash auth_hash_null;
72 extern const struct auth_hash auth_hash_md5;
73 extern const struct auth_hash auth_hash_sha1;
74 extern const struct auth_hash auth_hash_key_md5;
75 extern const struct auth_hash auth_hash_key_sha1;
76 extern const struct auth_hash auth_hash_hmac_md5;
77 extern const struct auth_hash auth_hash_hmac_sha1;
78 extern const struct auth_hash auth_hash_hmac_ripemd_160;
79 extern const struct auth_hash auth_hash_hmac_md5_96;
80 extern const struct auth_hash auth_hash_hmac_sha1_96;
81 extern const struct auth_hash auth_hash_hmac_ripemd_160_96;
82 extern const struct auth_hash auth_hash_hmac_sha2_256;
83 extern const struct auth_hash auth_hash_hmac_sha2_384;
84 extern const struct auth_hash auth_hash_hmac_sha2_512;
85 extern const struct auth_hash auth_hash_aes_xcbc_mac_96;
86 extern const struct auth_hash auth_hash_gmac_aes_128;
87 extern const struct auth_hash auth_hash_gmac_aes_192;
88 extern const struct auth_hash auth_hash_gmac_aes_256;
89 
90 extern const struct comp_algo comp_algo_deflate;
91 extern const struct comp_algo comp_algo_deflate_nogrow;
92 extern const struct comp_algo comp_algo_gzip;
93 
94 #ifdef _KERNEL
95 #include <sys/malloc.h>
96 MALLOC_DECLARE(M_XDATA);
97 #endif
98 #endif /* _CRYPTO_XFORM_H_ */
99