1 /* $FreeBSD: src/sys/opencrypto/xform.h,v 1.4 2007/05/09 19:37:02 gnn Exp $ */
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 */
34 struct 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
48 struct 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
59 struct 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
67 union 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
76 extern struct enc_xform enc_xform_null;
77 extern struct enc_xform enc_xform_des;
78 extern struct enc_xform enc_xform_3des;
79 extern struct enc_xform enc_xform_blf;
80 extern struct enc_xform enc_xform_cast5;
81 extern struct enc_xform enc_xform_skipjack;
82 extern struct enc_xform enc_xform_rijndael128;
83 extern struct enc_xform enc_xform_arc4;
84 extern struct enc_xform enc_xform_camellia;
85
86 extern struct auth_hash auth_hash_null;
87 extern struct auth_hash auth_hash_key_md5;
88 extern struct auth_hash auth_hash_key_sha1;
89 extern struct auth_hash auth_hash_hmac_md5;
90 extern struct auth_hash auth_hash_hmac_sha1;
91 extern struct auth_hash auth_hash_hmac_ripemd_160;
92 extern struct auth_hash auth_hash_hmac_sha2_256;
93 extern struct auth_hash auth_hash_hmac_sha2_384;
94 extern struct auth_hash auth_hash_hmac_sha2_512;
95
96 extern struct comp_algo comp_algo_deflate;
97
98 #ifdef _KERNEL
99 #include <sys/malloc.h>
100 MALLOC_DECLARE(M_XDATA);
101 #endif
102 #endif /* _CRYPTO_XFORM_H_ */
103
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