1 /* Copyright (c) (2010,2011,2015,2019-2022) Apple Inc. All rights reserved.
2 *
3 * corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which
4 * is contained in the License.txt file distributed with corecrypto) and only to
5 * people who accept that license. IMPORTANT: Any license rights granted to you by
6 * Apple Inc. (if any) are limited to internal use within your organization only on
7 * devices and computers you own or control, for the sole purpose of verifying the
8 * security characteristics and correct functioning of the Apple Software. You may
9 * not, directly or indirectly, redistribute the Apple Software or any portions thereof.
10 *
11 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
12 *
13 * This file contains Original Code and/or Modifications of Original Code
14 * as defined in and that are subject to the Apple Public Source License
15 * Version 2.0 (the 'License'). You may not use this file except in
16 * compliance with the License. The rights granted to you under the License
17 * may not be used to create, or enable the creation or redistribution of,
18 * unlawful or unlicensed copies of an Apple operating system, or to
19 * circumvent, violate, or enable the circumvention or violation of, any
20 * terms of an Apple operating system software license agreement.
21 *
22 * Please obtain a copy of the License at
23 * http://www.opensource.apple.com/apsl/ and read it before using this file.
24 *
25 * The Original Code and all software distributed under the License are
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27 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
28 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
29 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
30 * Please see the License for the specific language governing rights and
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32 *
33 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
34 */
35
36 #include "cc_internal.h"
37 #include <corecrypto/ccdigest_priv.h>
38
39 void
ccdigest_init(const struct ccdigest_info * di,ccdigest_ctx_t ctx)40 ccdigest_init(const struct ccdigest_info *di, ccdigest_ctx_t ctx)
41 {
42 CC_ENSURE_DIT_ENABLED
43
44 ccdigest_copy_state(di, ccdigest_state_ccn(di, ctx), di->initial_state);
45 ccdigest_nbits(di, ctx) = 0;
46 ccdigest_num(di, ctx) = 0;
47 }
48