88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2009 Sun Microsystems, Inc. All rights reserved.
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* Copyright (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
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*/
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#ifndef _SHA2_IMPL_H
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#define _SHA2_IMPL_H
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#include <sys/sha2.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* transform function definition */
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typedef void (*sha256_f)(uint32_t state[8], const void *data, size_t blks);
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typedef void (*sha512_f)(uint64_t state[8], const void *data, size_t blks);
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/* needed for checking valid implementations */
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typedef boolean_t (*sha2_is_supported_f)(void);
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typedef struct {
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const char *name;
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sha256_f transform;
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sha2_is_supported_f is_supported;
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} sha256_ops_t;
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typedef struct {
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const char *name;
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sha512_f transform;
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sha2_is_supported_f is_supported;
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} sha512_ops_t;
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extern const sha256_ops_t *sha256_get_ops(void);
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extern const sha512_ops_t *sha512_get_ops(void);
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typedef enum {
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SHA1_TYPE,
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SHA256_TYPE,
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SHA384_TYPE,
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SHA512_TYPE
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} sha2_mech_t;
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/*
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* Context for SHA2 mechanism.
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*/
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typedef struct sha2_ctx {
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sha2_mech_type_t sc_mech_type; /* type of context */
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SHA2_CTX sc_sha2_ctx; /* SHA2 context */
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} sha2_ctx_t;
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/*
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* Context for SHA2 HMAC and HMAC GENERAL mechanisms.
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*/
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typedef struct sha2_hmac_ctx {
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sha2_mech_type_t hc_mech_type; /* type of context */
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uint32_t hc_digest_len; /* digest len in bytes */
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SHA2_CTX hc_icontext; /* inner SHA2 context */
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SHA2_CTX hc_ocontext; /* outer SHA2 context */
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} sha2_hmac_ctx_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SHA2_IMPL_H */
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