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
59static	int SHA224Update_int(void *, const void *, u_int);
60static	int SHA256Update_int(void *, const void *, u_int);
61static	int SHA384Update_int(void *, const void *, u_int);
62static	int SHA512Update_int(void *, const void *, u_int);
63
64/* Plain hashes */
65struct 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
76struct 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
88struct 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
100struct 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 */
113struct 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
125struct 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
137struct 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
149struct 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 */
164static int
165SHA224Update_int(void *ctx, const void *buf, u_int len)
166{
167	SHA224_Update(ctx, buf, len);
168	return 0;
169}
170
171static int
172SHA256Update_int(void *ctx, const void *buf, u_int len)
173{
174	SHA256_Update(ctx, buf, len);
175	return 0;
176}
177
178static int
179SHA384Update_int(void *ctx, const void *buf, u_int len)
180{
181	SHA384_Update(ctx, buf, len);
182	return 0;
183}
184
185static int
186SHA512Update_int(void *ctx, const void *buf, u_int len)
187{
188	SHA512_Update(ctx, buf, len);
189	return 0;
190}
191