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OpenZFS 4185 - add new cryptographic checksums to ZFS: SHA-512, Skein, Edon-R
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1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SHA2_IMPL_H
27#define _SHA2_IMPL_H
28
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29#include <sys/sha2.h>
30
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31#ifdef __cplusplus
32extern "C" {
33#endif
34
35typedef enum {
36 SHA1_TYPE,
37 SHA256_TYPE,
38 SHA384_TYPE,
39 SHA512_TYPE
40} sha2_mech_t;
41
42/*
43 * Context for SHA2 mechanism.
44 */
45typedef struct sha2_ctx {
46 sha2_mech_type_t sc_mech_type; /* type of context */
47 SHA2_CTX sc_sha2_ctx; /* SHA2 context */
48} sha2_ctx_t;
49
50/*
51 * Context for SHA2 HMAC and HMAC GENERAL mechanisms.
52 */
53typedef struct sha2_hmac_ctx {
54 sha2_mech_type_t hc_mech_type; /* type of context */
55 uint32_t hc_digest_len; /* digest len in bytes */
56 SHA2_CTX hc_icontext; /* inner SHA2 context */
57 SHA2_CTX hc_ocontext; /* outer SHA2 context */
58} sha2_hmac_ctx_t;
59
60#ifdef __cplusplus
61}
62#endif
63
64#endif /* _SHA2_IMPL_H */