xref: /freebsd/sys/opencrypto/xform_sha2.c (revision 5e3190f700637fcfc1a52daeaa4a031fdd2557c7)
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
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
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
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
185 SHA512Update_int(void *ctx, const void *buf, u_int len)
186 {
187 	SHA512_Update(ctx, buf, len);
188 	return 0;
189 }
190