opencrypto - Add AES GCM/GMAC support
[dragonfly.git] / sys / opencrypto / xform.h
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42ee1e6b 1/* $FreeBSD: src/sys/opencrypto/xform.h,v 1.4 2007/05/09 19:37:02 gnn Exp $ */
1de703da 2/* $DragonFly: src/sys/opencrypto/xform.h,v 1.2 2003/06/17 04:28:54 dillon Exp $ */
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3/* $OpenBSD: xform.h,v 1.8 2001/08/28 12:20:43 ben Exp $ */
4
42ee1e6b 5/*-
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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>
aface142 33#include <opencrypto/gmac.h>
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34
35/* Declarations */
36struct auth_hash {
37 int type;
38 char *name;
39 u_int16_t keysize;
40 u_int16_t hashsize;
54734da1 41 u_int16_t blocksize;
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42 u_int16_t ctxsize;
43 void (*Init) (void *);
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44 void (*Setkey) (void *, const u_int8_t *, u_int16_t);
45 void (*Reinit) (void *, const u_int8_t *, u_int16_t);
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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
52struct enc_xform {
53 int type;
54 char *name;
da41e4e5 55 u_int16_t blocksize, ivsize;
984263bc 56 u_int16_t minkey, maxkey;
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57 void (*encrypt) (caddr_t, u_int8_t *, u_int8_t *);
58 void (*decrypt) (caddr_t, u_int8_t *, u_int8_t *);
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59 int (*setkey) (u_int8_t **, u_int8_t *, int len);
60 void (*zerokey) (u_int8_t **);
da41e4e5 61 void (*reinit) (caddr_t, u_int8_t *);
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62};
63
64struct 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
72union 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;
aface142 79 AES_GMAC_CTX aes_gmac_ctx;
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80};
81
82extern struct enc_xform enc_xform_null;
83extern struct enc_xform enc_xform_des;
84extern struct enc_xform enc_xform_3des;
85extern struct enc_xform enc_xform_blf;
86extern struct enc_xform enc_xform_cast5;
87extern struct enc_xform enc_xform_skipjack;
88extern struct enc_xform enc_xform_rijndael128;
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89extern struct enc_xform enc_xform_aes_xts;
90extern struct enc_xform enc_xform_aes_ctr;
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91extern struct enc_xform enc_xform_aes_gcm;
92extern struct enc_xform enc_xform_aes_gmac;
984263bc 93extern struct enc_xform enc_xform_arc4;
42ee1e6b 94extern struct enc_xform enc_xform_camellia;
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95
96extern struct auth_hash auth_hash_null;
97extern struct auth_hash auth_hash_key_md5;
98extern struct auth_hash auth_hash_key_sha1;
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99extern struct auth_hash auth_hash_hmac_md5;
100extern struct auth_hash auth_hash_hmac_sha1;
101extern struct auth_hash auth_hash_hmac_ripemd_160;
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102extern struct auth_hash auth_hash_hmac_sha2_256;
103extern struct auth_hash auth_hash_hmac_sha2_384;
104extern struct auth_hash auth_hash_hmac_sha2_512;
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105extern struct auth_hash auth_hash_gmac_aes_128;
106extern struct auth_hash auth_hash_gmac_aes_192;
107extern struct auth_hash auth_hash_gmac_aes_256;
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108
109extern struct comp_algo comp_algo_deflate;
110
111#ifdef _KERNEL
112#include <sys/malloc.h>
113MALLOC_DECLARE(M_XDATA);
114#endif
115#endif /* _CRYPTO_XFORM_H_ */