xref: /dragonfly/sys/opencrypto/xform.h (revision b40e316c)
1 /*	$FreeBSD: src/sys/opencrypto/xform.h,v 1.1.2.1 2002/11/21 23:34:23 sam Exp $	*/
2 /*	$DragonFly: src/sys/opencrypto/xform.h,v 1.2 2003/06/17 04:28:54 dillon Exp $	*/
3 /*	$OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben 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 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 #include <sys/md5.h>
30 #include <crypto/sha1.h>
31 #include <crypto/sha2/sha2.h>
32 #include <opencrypto/rmd160.h>
33 
34 /* Declarations */
35 struct auth_hash {
36 	int type;
37 	char *name;
38 	u_int16_t keysize;
39 	u_int16_t hashsize;
40 	u_int16_t authsize;
41 	u_int16_t ctxsize;
42 	void (*Init) (void *);
43 	int  (*Update) (void *, u_int8_t *, u_int16_t);
44 	void (*Final) (u_int8_t *, void *);
45 };
46 
47 #define	AH_ALEN_MAX	20	/* max authenticator hash length */
48 
49 struct enc_xform {
50 	int type;
51 	char *name;
52 	u_int16_t blocksize;
53 	u_int16_t minkey, maxkey;
54 	void (*encrypt) (caddr_t, u_int8_t *);
55 	void (*decrypt) (caddr_t, u_int8_t *);
56 	int (*setkey) (u_int8_t **, u_int8_t *, int len);
57 	void (*zerokey) (u_int8_t **);
58 };
59 
60 struct comp_algo {
61 	int type;
62 	char *name;
63 	size_t minlen;
64 	u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
65 	u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
66 };
67 
68 union authctx {
69 	MD5_CTX md5ctx;
70 	SHA1_CTX sha1ctx;
71 	RMD160_CTX rmd160ctx;
72 	SHA256_CTX sha256ctx;
73 	SHA384_CTX sha384ctx;
74 	SHA512_CTX sha512ctx;
75 };
76 
77 extern struct enc_xform enc_xform_null;
78 extern struct enc_xform enc_xform_des;
79 extern struct enc_xform enc_xform_3des;
80 extern struct enc_xform enc_xform_blf;
81 extern struct enc_xform enc_xform_cast5;
82 extern struct enc_xform enc_xform_skipjack;
83 extern struct enc_xform enc_xform_rijndael128;
84 extern struct enc_xform enc_xform_arc4;
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_96;
90 extern struct auth_hash auth_hash_hmac_sha1_96;
91 extern struct auth_hash auth_hash_hmac_ripemd_160_96;
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