xref: /freebsd/sys/opencrypto/xform_sha2.c (revision 2dfa4b66b3d0caaaae6ce2df476b5615f8415a19)
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 __FBSDID("$FreeBSD$");
52 
53 #include <crypto/sha2/sha224.h>
54 #include <crypto/sha2/sha256.h>
55 #include <crypto/sha2/sha384.h>
56 #include <crypto/sha2/sha512.h>
57 #include <opencrypto/xform_auth.h>
58 
59 static	int SHA224Update_int(void *, const void *, u_int);
60 static	int SHA256Update_int(void *, const void *, u_int);
61 static	int SHA384Update_int(void *, const void *, u_int);
62 static	int SHA512Update_int(void *, const void *, u_int);
63 
64 /* Plain hashes */
65 struct auth_hash auth_hash_sha2_224 = {
66 	.type = CRYPTO_SHA2_224,
67 	.name = "SHA2-224",
68 	.hashsize = SHA2_224_HASH_LEN,
69 	.ctxsize = sizeof(SHA224_CTX),
70 	.blocksize = SHA2_224_BLOCK_LEN,
71 	.Init = (void (*)(void *)) SHA224_Init,
72 	.Update = SHA224Update_int,
73 	.Final = (void (*)(uint8_t *, void *)) SHA224_Final,
74 };
75 
76 struct auth_hash auth_hash_sha2_256 = {
77 	.type = CRYPTO_SHA2_256,
78 	.name = "SHA2-256",
79 	.keysize = SHA2_256_BLOCK_LEN,
80 	.hashsize = SHA2_256_HASH_LEN,
81 	.ctxsize = sizeof(SHA256_CTX),
82 	.blocksize = SHA2_256_BLOCK_LEN,
83 	.Init = (void (*)(void *)) SHA256_Init,
84 	.Update = SHA256Update_int,
85 	.Final = (void (*)(uint8_t *, void *)) SHA256_Final,
86 };
87 
88 struct auth_hash auth_hash_sha2_384 = {
89 	.type = CRYPTO_SHA2_384,
90 	.name = "SHA2-384",
91 	.keysize = SHA2_384_BLOCK_LEN,
92 	.hashsize = SHA2_384_HASH_LEN,
93 	.ctxsize = sizeof(SHA384_CTX),
94 	.blocksize = SHA2_384_BLOCK_LEN,
95 	.Init = (void (*)(void *)) SHA384_Init,
96 	.Update = SHA384Update_int,
97 	.Final = (void (*)(uint8_t *, void *)) SHA384_Final,
98 };
99 
100 struct auth_hash auth_hash_sha2_512 = {
101 	.type = CRYPTO_SHA2_512,
102 	.name = "SHA2-512",
103 	.keysize = SHA2_512_BLOCK_LEN,
104 	.hashsize = SHA2_512_HASH_LEN,
105 	.ctxsize = sizeof(SHA512_CTX),
106 	.blocksize = SHA2_512_BLOCK_LEN,
107 	.Init = (void (*)(void *)) SHA512_Init,
108 	.Update = SHA512Update_int,
109 	.Final = (void (*)(uint8_t *, void *)) SHA512_Final,
110 };
111 
112 /* Authentication instances */
113 struct auth_hash auth_hash_hmac_sha2_224 = {
114 	.type = CRYPTO_SHA2_224_HMAC,
115 	.name = "HMAC-SHA2-224",
116 	.keysize = SHA2_224_BLOCK_LEN,
117 	.hashsize = SHA2_224_HASH_LEN,
118 	.ctxsize = sizeof(SHA224_CTX),
119 	.blocksize = SHA2_224_BLOCK_LEN,
120 	.Init = (void (*)(void *)) SHA224_Init,
121 	.Update = SHA224Update_int,
122 	.Final = (void (*)(uint8_t *, void *)) SHA224_Final,
123 };
124 
125 struct auth_hash auth_hash_hmac_sha2_256 = {
126 	.type = CRYPTO_SHA2_256_HMAC,
127 	.name = "HMAC-SHA2-256",
128 	.keysize = SHA2_256_BLOCK_LEN,
129 	.hashsize = SHA2_256_HASH_LEN,
130 	.ctxsize = sizeof(SHA256_CTX),
131 	.blocksize = SHA2_256_BLOCK_LEN,
132 	.Init = (void (*)(void *)) SHA256_Init,
133 	.Update = SHA256Update_int,
134 	.Final = (void (*)(uint8_t *, void *)) SHA256_Final,
135 };
136 
137 struct auth_hash auth_hash_hmac_sha2_384 = {
138 	.type = CRYPTO_SHA2_384_HMAC,
139 	.name = "HMAC-SHA2-384",
140 	.keysize = SHA2_384_BLOCK_LEN,
141 	.hashsize = SHA2_384_HASH_LEN,
142 	.ctxsize = sizeof(SHA384_CTX),
143 	.blocksize = SHA2_384_BLOCK_LEN,
144 	.Init = (void (*)(void *)) SHA384_Init,
145 	.Update = SHA384Update_int,
146 	.Final = (void (*)(uint8_t *, void *)) SHA384_Final,
147 };
148 
149 struct auth_hash auth_hash_hmac_sha2_512 = {
150 	.type = CRYPTO_SHA2_512_HMAC,
151 	.name = "HMAC-SHA2-512",
152 	.keysize = SHA2_512_BLOCK_LEN,
153 	.hashsize = SHA2_512_HASH_LEN,
154 	.ctxsize = sizeof(SHA512_CTX),
155 	.blocksize = SHA2_512_BLOCK_LEN,
156 	.Init = (void (*)(void *)) SHA512_Init,
157 	.Update = SHA512Update_int,
158 	.Final = (void (*)(uint8_t *, void *)) SHA512_Final,
159 };
160 
161 /*
162  * And now for auth.
163  */
164 static int
165 SHA224Update_int(void *ctx, const void *buf, u_int len)
166 {
167 	SHA224_Update(ctx, buf, len);
168 	return 0;
169 }
170 
171 static int
172 SHA256Update_int(void *ctx, const void *buf, u_int len)
173 {
174 	SHA256_Update(ctx, buf, len);
175 	return 0;
176 }
177 
178 static int
179 SHA384Update_int(void *ctx, const void *buf, u_int len)
180 {
181 	SHA384_Update(ctx, buf, len);
182 	return 0;
183 }
184 
185 static int
186 SHA512Update_int(void *ctx, const void *buf, u_int len)
187 {
188 	SHA512_Update(ctx, buf, len);
189 	return 0;
190 }
191