xref: /freebsd/sys/opencrypto/xform.h (revision aa0a1e58)
1 /*	$FreeBSD$	*/
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 /* XXX use a define common with other hash stuff ! */
47 #define	AH_ALEN_MAX	64	/* 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 	void (*reinit) (caddr_t, u_int8_t *);
59 };
60 
61 struct comp_algo {
62 	int type;
63 	char *name;
64 	size_t minlen;
65 	u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
66 	u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
67 };
68 
69 union authctx {
70 	MD5_CTX md5ctx;
71 	SHA1_CTX sha1ctx;
72 	RMD160_CTX rmd160ctx;
73 	SHA256_CTX sha256ctx;
74 	SHA384_CTX sha384ctx;
75 	SHA512_CTX sha512ctx;
76 };
77 
78 extern struct enc_xform enc_xform_null;
79 extern struct enc_xform enc_xform_des;
80 extern struct enc_xform enc_xform_3des;
81 extern struct enc_xform enc_xform_blf;
82 extern struct enc_xform enc_xform_cast5;
83 extern struct enc_xform enc_xform_skipjack;
84 extern struct enc_xform enc_xform_rijndael128;
85 extern struct enc_xform enc_xform_aes_xts;
86 extern struct enc_xform enc_xform_arc4;
87 extern struct enc_xform enc_xform_camellia;
88 
89 extern struct auth_hash auth_hash_null;
90 extern struct auth_hash auth_hash_key_md5;
91 extern struct auth_hash auth_hash_key_sha1;
92 extern struct auth_hash auth_hash_hmac_md5;
93 extern struct auth_hash auth_hash_hmac_sha1;
94 extern struct auth_hash auth_hash_hmac_ripemd_160;
95 extern struct auth_hash auth_hash_hmac_sha2_256;
96 extern struct auth_hash auth_hash_hmac_sha2_384;
97 extern struct auth_hash auth_hash_hmac_sha2_512;
98 
99 extern struct comp_algo comp_algo_deflate;
100 
101 #ifdef _KERNEL
102 #include <sys/malloc.h>
103 MALLOC_DECLARE(M_XDATA);
104 #endif
105 #endif /* _CRYPTO_XFORM_H_ */
106