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/types.h>
51 #include <crypto/sha2/sha224.h>
52 #include <crypto/sha2/sha256.h>
53 #include <crypto/sha2/sha384.h>
54 #include <crypto/sha2/sha512.h>
55 #include <opencrypto/xform_auth.h>
56
57 static int SHA224Update_int(void *, const void *, u_int);
58 static int SHA256Update_int(void *, const void *, u_int);
59 static int SHA384Update_int(void *, const void *, u_int);
60 static int SHA512Update_int(void *, const void *, u_int);
61
62 /* Plain hashes */
63 const struct auth_hash auth_hash_sha2_224 = {
64 .type = CRYPTO_SHA2_224,
65 .name = "SHA2-224",
66 .hashsize = SHA2_224_HASH_LEN,
67 .ctxsize = sizeof(SHA224_CTX),
68 .blocksize = SHA2_224_BLOCK_LEN,
69 .Init = (void (*)(void *)) SHA224_Init,
70 .Update = SHA224Update_int,
71 .Final = (void (*)(uint8_t *, void *)) SHA224_Final,
72 };
73
74 const struct auth_hash auth_hash_sha2_256 = {
75 .type = CRYPTO_SHA2_256,
76 .name = "SHA2-256",
77 .keysize = SHA2_256_BLOCK_LEN,
78 .hashsize = SHA2_256_HASH_LEN,
79 .ctxsize = sizeof(SHA256_CTX),
80 .blocksize = SHA2_256_BLOCK_LEN,
81 .Init = (void (*)(void *)) SHA256_Init,
82 .Update = SHA256Update_int,
83 .Final = (void (*)(uint8_t *, void *)) SHA256_Final,
84 };
85
86 const struct auth_hash auth_hash_sha2_384 = {
87 .type = CRYPTO_SHA2_384,
88 .name = "SHA2-384",
89 .keysize = SHA2_384_BLOCK_LEN,
90 .hashsize = SHA2_384_HASH_LEN,
91 .ctxsize = sizeof(SHA384_CTX),
92 .blocksize = SHA2_384_BLOCK_LEN,
93 .Init = (void (*)(void *)) SHA384_Init,
94 .Update = SHA384Update_int,
95 .Final = (void (*)(uint8_t *, void *)) SHA384_Final,
96 };
97
98 const struct auth_hash auth_hash_sha2_512 = {
99 .type = CRYPTO_SHA2_512,
100 .name = "SHA2-512",
101 .keysize = SHA2_512_BLOCK_LEN,
102 .hashsize = SHA2_512_HASH_LEN,
103 .ctxsize = sizeof(SHA512_CTX),
104 .blocksize = SHA2_512_BLOCK_LEN,
105 .Init = (void (*)(void *)) SHA512_Init,
106 .Update = SHA512Update_int,
107 .Final = (void (*)(uint8_t *, void *)) SHA512_Final,
108 };
109
110 /* Authentication instances */
111 const struct auth_hash auth_hash_hmac_sha2_224 = {
112 .type = CRYPTO_SHA2_224_HMAC,
113 .name = "HMAC-SHA2-224",
114 .keysize = SHA2_224_BLOCK_LEN,
115 .hashsize = SHA2_224_HASH_LEN,
116 .ctxsize = sizeof(SHA224_CTX),
117 .blocksize = SHA2_224_BLOCK_LEN,
118 .Init = (void (*)(void *)) SHA224_Init,
119 .Update = SHA224Update_int,
120 .Final = (void (*)(uint8_t *, void *)) SHA224_Final,
121 };
122
123 const struct auth_hash auth_hash_hmac_sha2_256 = {
124 .type = CRYPTO_SHA2_256_HMAC,
125 .name = "HMAC-SHA2-256",
126 .keysize = SHA2_256_BLOCK_LEN,
127 .hashsize = SHA2_256_HASH_LEN,
128 .ctxsize = sizeof(SHA256_CTX),
129 .blocksize = SHA2_256_BLOCK_LEN,
130 .Init = (void (*)(void *)) SHA256_Init,
131 .Update = SHA256Update_int,
132 .Final = (void (*)(uint8_t *, void *)) SHA256_Final,
133 };
134
135 const struct auth_hash auth_hash_hmac_sha2_384 = {
136 .type = CRYPTO_SHA2_384_HMAC,
137 .name = "HMAC-SHA2-384",
138 .keysize = SHA2_384_BLOCK_LEN,
139 .hashsize = SHA2_384_HASH_LEN,
140 .ctxsize = sizeof(SHA384_CTX),
141 .blocksize = SHA2_384_BLOCK_LEN,
142 .Init = (void (*)(void *)) SHA384_Init,
143 .Update = SHA384Update_int,
144 .Final = (void (*)(uint8_t *, void *)) SHA384_Final,
145 };
146
147 const struct auth_hash auth_hash_hmac_sha2_512 = {
148 .type = CRYPTO_SHA2_512_HMAC,
149 .name = "HMAC-SHA2-512",
150 .keysize = SHA2_512_BLOCK_LEN,
151 .hashsize = SHA2_512_HASH_LEN,
152 .ctxsize = sizeof(SHA512_CTX),
153 .blocksize = SHA2_512_BLOCK_LEN,
154 .Init = (void (*)(void *)) SHA512_Init,
155 .Update = SHA512Update_int,
156 .Final = (void (*)(uint8_t *, void *)) SHA512_Final,
157 };
158
159 /*
160 * And now for auth.
161 */
162 static int
SHA224Update_int(void * ctx,const void * buf,u_int len)163 SHA224Update_int(void *ctx, const void *buf, u_int len)
164 {
165 SHA224_Update(ctx, buf, len);
166 return 0;
167 }
168
169 static int
SHA256Update_int(void * ctx,const void * buf,u_int len)170 SHA256Update_int(void *ctx, const void *buf, u_int len)
171 {
172 SHA256_Update(ctx, buf, len);
173 return 0;
174 }
175
176 static int
SHA384Update_int(void * ctx,const void * buf,u_int len)177 SHA384Update_int(void *ctx, const void *buf, u_int len)
178 {
179 SHA384_Update(ctx, buf, len);
180 return 0;
181 }
182
183 static int
SHA512Update_int(void * ctx,const void * buf,u_int len)184 SHA512Update_int(void *ctx, const void *buf, u_int len)
185 {
186 SHA512_Update(ctx, buf, len);
187 return 0;
188 }
189