xref: /dragonfly/sys/opencrypto/xform.h (revision 3170ffd7)
1 /*	$FreeBSD: src/sys/opencrypto/xform.h,v 1.4 2007/05/09 19:37:02 gnn 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 #include <opencrypto/gmac.h>
34 
35 /* Declarations */
36 struct auth_hash {
37 	int type;
38 	char *name;
39 	u_int16_t keysize;
40 	u_int16_t hashsize;
41 	u_int16_t blocksize;
42 	u_int16_t ctxsize;
43 	void (*Init) (void *);
44 	void (*Setkey) (void *, const u_int8_t *, u_int16_t);
45 	void (*Reinit) (void *, const u_int8_t *, u_int16_t);
46 	int  (*Update) (void *, u_int8_t *, u_int16_t);
47 	void (*Final) (u_int8_t *, void *);
48 };
49 
50 #define	AH_ALEN_MAX	20	/* max authenticator hash length */
51 
52 struct enc_xform {
53 	int type;
54 	char *name;
55 	u_int16_t blocksize, ivsize;
56 	u_int16_t minkey, maxkey;
57 	void (*encrypt) (caddr_t, u_int8_t *, u_int8_t *);
58 	void (*decrypt) (caddr_t, u_int8_t *, u_int8_t *);
59 	int (*setkey) (u_int8_t **, u_int8_t *, int len);
60 	void (*zerokey) (u_int8_t **);
61 	void (*reinit) (caddr_t, u_int8_t *);
62 };
63 
64 struct comp_algo {
65 	int type;
66 	char *name;
67 	size_t minlen;
68 	u_int32_t (*compress) (u_int8_t *, u_int32_t, u_int8_t **);
69 	u_int32_t (*decompress) (u_int8_t *, u_int32_t, u_int8_t **);
70 };
71 
72 union authctx {
73 	MD5_CTX md5ctx;
74 	SHA1_CTX sha1ctx;
75 	RMD160_CTX rmd160ctx;
76 	SHA256_CTX sha256ctx;
77 	SHA384_CTX sha384ctx;
78 	SHA512_CTX sha512ctx;
79 	AES_GMAC_CTX	aes_gmac_ctx;
80 };
81 
82 extern struct enc_xform enc_xform_null;
83 extern struct enc_xform enc_xform_des;
84 extern struct enc_xform enc_xform_3des;
85 extern struct enc_xform enc_xform_blf;
86 extern struct enc_xform enc_xform_cast5;
87 extern struct enc_xform enc_xform_skipjack;
88 extern struct enc_xform enc_xform_rijndael128;
89 extern struct enc_xform enc_xform_aes_xts;
90 extern struct enc_xform enc_xform_aes_ctr;
91 extern struct enc_xform enc_xform_aes_gcm;
92 extern struct enc_xform enc_xform_aes_gmac;
93 extern struct enc_xform enc_xform_arc4;
94 extern struct enc_xform enc_xform_camellia;
95 extern struct enc_xform enc_xform_twofish;
96 extern struct enc_xform enc_xform_serpent;
97 extern struct enc_xform enc_xform_twofish_xts;
98 extern struct enc_xform enc_xform_serpent_xts;
99 
100 extern struct auth_hash auth_hash_null;
101 extern struct auth_hash auth_hash_key_md5;
102 extern struct auth_hash auth_hash_key_sha1;
103 extern struct auth_hash auth_hash_hmac_md5;
104 extern struct auth_hash auth_hash_hmac_sha1;
105 extern struct auth_hash auth_hash_hmac_ripemd_160;
106 extern struct auth_hash auth_hash_hmac_sha2_256;
107 extern struct auth_hash auth_hash_hmac_sha2_384;
108 extern struct auth_hash auth_hash_hmac_sha2_512;
109 extern struct auth_hash auth_hash_gmac_aes_128;
110 extern struct auth_hash auth_hash_gmac_aes_192;
111 extern struct auth_hash auth_hash_gmac_aes_256;
112 
113 extern struct comp_algo comp_algo_deflate;
114 
115 #ifdef _KERNEL
116 #include <sys/malloc.h>
117 MALLOC_DECLARE(M_XDATA);
118 #endif
119 #endif /* _CRYPTO_XFORM_H_ */
120