1 /*        $NetBSD: xform.h,v 1.21 2020/06/30 04:14:56 riastradh 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;
46           u_int16_t ivsize;
47           u_int16_t minkey;
48           u_int16_t maxkey;
49 };
50 
51 struct comp_algo {
52           int type;
53           const char *name;
54           size_t minlen;
55 };
56 
57 extern const u_int8_t hmac_ipad_buffer[128];
58 extern const u_int8_t hmac_opad_buffer[128];
59 
60 extern const struct enc_xform enc_xform_null;
61 extern const struct enc_xform enc_xform_des;
62 extern const struct enc_xform enc_xform_3des;
63 extern const struct enc_xform enc_xform_blf;
64 extern const struct enc_xform enc_xform_cast5;
65 extern const struct enc_xform enc_xform_skipjack;
66 extern const struct enc_xform enc_xform_aes;
67 extern const struct enc_xform enc_xform_arc4;
68 extern const struct enc_xform enc_xform_camellia;
69 extern const struct enc_xform enc_xform_aes_ctr;
70 extern const struct enc_xform enc_xform_aes_gcm;
71 extern const struct enc_xform enc_xform_aes_gmac;
72 
73 extern const struct auth_hash auth_hash_null;
74 extern const struct auth_hash auth_hash_md5;
75 extern const struct auth_hash auth_hash_sha1;
76 extern const struct auth_hash auth_hash_key_md5;
77 extern const struct auth_hash auth_hash_key_sha1;
78 extern const struct auth_hash auth_hash_hmac_md5;
79 extern const struct auth_hash auth_hash_hmac_sha1;
80 extern const struct auth_hash auth_hash_hmac_ripemd_160;
81 extern const struct auth_hash auth_hash_hmac_md5_96;
82 extern const struct auth_hash auth_hash_hmac_sha1_96;
83 extern const struct auth_hash auth_hash_hmac_ripemd_160_96;
84 extern const struct auth_hash auth_hash_hmac_sha2_256;
85 extern const struct auth_hash auth_hash_hmac_sha2_384;
86 extern const struct auth_hash auth_hash_hmac_sha2_512;
87 extern const struct auth_hash auth_hash_aes_xcbc_mac_96;
88 extern const struct auth_hash auth_hash_gmac_aes_128;
89 extern const struct auth_hash auth_hash_gmac_aes_192;
90 extern const struct auth_hash auth_hash_gmac_aes_256;
91 
92 extern const struct comp_algo comp_algo_deflate;
93 extern const struct comp_algo comp_algo_deflate_nogrow;
94 extern const struct comp_algo comp_algo_gzip;
95 
96 #ifdef _KERNEL
97 #include <sys/malloc.h>
98 MALLOC_DECLARE(M_XDATA);
99 #endif
100 #endif /* _CRYPTO_XFORM_H_ */
101