1 /* $OpenBSD: xform.c,v 1.16 2001/08/28 12:20:43 ben Exp $ */
2 /*-
3 * The authors of this code are John Ioannidis (ji@tla.org),
4 * Angelos D. Keromytis (kermit@csd.uch.gr),
5 * Niels Provos (provos@physnet.uni-hamburg.de) and
6 * Damien Miller (djm@mindrot.org).
7 *
8 * This code was written by John Ioannidis for BSD/OS in Athens, Greece,
9 * in November 1995.
10 *
11 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
12 * by Angelos D. Keromytis.
13 *
14 * Additional transforms and features in 1997 and 1998 by Angelos D. Keromytis
15 * and Niels Provos.
16 *
17 * Additional features in 1999 by Angelos D. Keromytis.
18 *
19 * AES XTS implementation in 2008 by Damien Miller
20 *
21 * Copyright (C) 1995, 1996, 1997, 1998, 1999 by John Ioannidis,
22 * Angelos D. Keromytis and Niels Provos.
23 *
24 * Copyright (C) 2001, Angelos D. Keromytis.
25 *
26 * Copyright (C) 2008, Damien Miller
27 * Copyright (c) 2014 The FreeBSD Foundation
28 * All rights reserved.
29 *
30 * Portions of this software were developed by John-Mark Gurney
31 * under sponsorship of the FreeBSD Foundation and
32 * Rubicon Communications, LLC (Netgate).
33 *
34 * Permission to use, copy, and modify this software with or without fee
35 * is hereby granted, provided that this entire notice is included in
36 * all copies of any software which is or includes a copy or
37 * modification of this software.
38 * You may use this code under the GNU public license if you so wish. Please
39 * contribute changes back to the authors under this freer than GPL license
40 * so that we may further the use of strong encryption without limitations to
41 * all.
42 *
43 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
44 * IMPLIED WARRANTY. IN PARTICULAR, NONE OF THE AUTHORS MAKES ANY
45 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
46 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
47 * PURPOSE.
48 */
49
50 #include <sys/cdefs.h>
51 #include <sys/types.h>
52 #include <crypto/sha2/sha224.h>
53 #include <crypto/sha2/sha256.h>
54 #include <crypto/sha2/sha384.h>
55 #include <crypto/sha2/sha512.h>
56 #include <opencrypto/xform_auth.h>
57
58 static int SHA224Update_int(void *, const void *, u_int);
59 static int SHA256Update_int(void *, const void *, u_int);
60 static int SHA384Update_int(void *, const void *, u_int);
61 static int SHA512Update_int(void *, const void *, u_int);
62
63 /* Plain hashes */
64 const struct auth_hash auth_hash_sha2_224 = {
65 .type = CRYPTO_SHA2_224,
66 .name = "SHA2-224",
67 .hashsize = SHA2_224_HASH_LEN,
68 .ctxsize = sizeof(SHA224_CTX),
69 .blocksize = SHA2_224_BLOCK_LEN,
70 .Init = (void (*)(void *)) SHA224_Init,
71 .Update = SHA224Update_int,
72 .Final = (void (*)(uint8_t *, void *)) SHA224_Final,
73 };
74
75 const struct auth_hash auth_hash_sha2_256 = {
76 .type = CRYPTO_SHA2_256,
77 .name = "SHA2-256",
78 .keysize = SHA2_256_BLOCK_LEN,
79 .hashsize = SHA2_256_HASH_LEN,
80 .ctxsize = sizeof(SHA256_CTX),
81 .blocksize = SHA2_256_BLOCK_LEN,
82 .Init = (void (*)(void *)) SHA256_Init,
83 .Update = SHA256Update_int,
84 .Final = (void (*)(uint8_t *, void *)) SHA256_Final,
85 };
86
87 const struct auth_hash auth_hash_sha2_384 = {
88 .type = CRYPTO_SHA2_384,
89 .name = "SHA2-384",
90 .keysize = SHA2_384_BLOCK_LEN,
91 .hashsize = SHA2_384_HASH_LEN,
92 .ctxsize = sizeof(SHA384_CTX),
93 .blocksize = SHA2_384_BLOCK_LEN,
94 .Init = (void (*)(void *)) SHA384_Init,
95 .Update = SHA384Update_int,
96 .Final = (void (*)(uint8_t *, void *)) SHA384_Final,
97 };
98
99 const struct auth_hash auth_hash_sha2_512 = {
100 .type = CRYPTO_SHA2_512,
101 .name = "SHA2-512",
102 .keysize = SHA2_512_BLOCK_LEN,
103 .hashsize = SHA2_512_HASH_LEN,
104 .ctxsize = sizeof(SHA512_CTX),
105 .blocksize = SHA2_512_BLOCK_LEN,
106 .Init = (void (*)(void *)) SHA512_Init,
107 .Update = SHA512Update_int,
108 .Final = (void (*)(uint8_t *, void *)) SHA512_Final,
109 };
110
111 /* Authentication instances */
112 const struct auth_hash auth_hash_hmac_sha2_224 = {
113 .type = CRYPTO_SHA2_224_HMAC,
114 .name = "HMAC-SHA2-224",
115 .keysize = SHA2_224_BLOCK_LEN,
116 .hashsize = SHA2_224_HASH_LEN,
117 .ctxsize = sizeof(SHA224_CTX),
118 .blocksize = SHA2_224_BLOCK_LEN,
119 .Init = (void (*)(void *)) SHA224_Init,
120 .Update = SHA224Update_int,
121 .Final = (void (*)(uint8_t *, void *)) SHA224_Final,
122 };
123
124 const struct auth_hash auth_hash_hmac_sha2_256 = {
125 .type = CRYPTO_SHA2_256_HMAC,
126 .name = "HMAC-SHA2-256",
127 .keysize = SHA2_256_BLOCK_LEN,
128 .hashsize = SHA2_256_HASH_LEN,
129 .ctxsize = sizeof(SHA256_CTX),
130 .blocksize = SHA2_256_BLOCK_LEN,
131 .Init = (void (*)(void *)) SHA256_Init,
132 .Update = SHA256Update_int,
133 .Final = (void (*)(uint8_t *, void *)) SHA256_Final,
134 };
135
136 const struct auth_hash auth_hash_hmac_sha2_384 = {
137 .type = CRYPTO_SHA2_384_HMAC,
138 .name = "HMAC-SHA2-384",
139 .keysize = SHA2_384_BLOCK_LEN,
140 .hashsize = SHA2_384_HASH_LEN,
141 .ctxsize = sizeof(SHA384_CTX),
142 .blocksize = SHA2_384_BLOCK_LEN,
143 .Init = (void (*)(void *)) SHA384_Init,
144 .Update = SHA384Update_int,
145 .Final = (void (*)(uint8_t *, void *)) SHA384_Final,
146 };
147
148 const struct auth_hash auth_hash_hmac_sha2_512 = {
149 .type = CRYPTO_SHA2_512_HMAC,
150 .name = "HMAC-SHA2-512",
151 .keysize = SHA2_512_BLOCK_LEN,
152 .hashsize = SHA2_512_HASH_LEN,
153 .ctxsize = sizeof(SHA512_CTX),
154 .blocksize = SHA2_512_BLOCK_LEN,
155 .Init = (void (*)(void *)) SHA512_Init,
156 .Update = SHA512Update_int,
157 .Final = (void (*)(uint8_t *, void *)) SHA512_Final,
158 };
159
160 /*
161 * And now for auth.
162 */
163 static int
SHA224Update_int(void * ctx,const void * buf,u_int len)164 SHA224Update_int(void *ctx, const void *buf, u_int len)
165 {
166 SHA224_Update(ctx, buf, len);
167 return 0;
168 }
169
170 static int
SHA256Update_int(void * ctx,const void * buf,u_int len)171 SHA256Update_int(void *ctx, const void *buf, u_int len)
172 {
173 SHA256_Update(ctx, buf, len);
174 return 0;
175 }
176
177 static int
SHA384Update_int(void * ctx,const void * buf,u_int len)178 SHA384Update_int(void *ctx, const void *buf, u_int len)
179 {
180 SHA384_Update(ctx, buf, len);
181 return 0;
182 }
183
184 static int
SHA512Update_int(void * ctx,const void * buf,u_int len)185 SHA512Update_int(void *ctx, const void *buf, u_int len)
186 {
187 SHA512_Update(ctx, buf, len);
188 return 0;
189 }
190