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
57static	int SHA224Update_int(void *, const void *, u_int);
58static	int SHA256Update_int(void *, const void *, u_int);
59static	int SHA384Update_int(void *, const void *, u_int);
60static	int SHA512Update_int(void *, const void *, u_int);
61
62/* Plain hashes */
63const 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
74const 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
86const 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
98const 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 */
111const 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
123const 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
135const 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
147const 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 */
162static int
163SHA224Update_int(void *ctx, const void *buf, u_int len)
164{
165	SHA224_Update(ctx, buf, len);
166	return 0;
167}
168
169static int
170SHA256Update_int(void *ctx, const void *buf, u_int len)
171{
172	SHA256_Update(ctx, buf, len);
173	return 0;
174}
175
176static int
177SHA384Update_int(void *ctx, const void *buf, u_int len)
178{
179	SHA384_Update(ctx, buf, len);
180	return 0;
181}
182
183static int
184SHA512Update_int(void *ctx, const void *buf, u_int len)
185{
186	SHA512_Update(ctx, buf, len);
187	return 0;
188}
189