1/* Copyright (c) (2022,2023) 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
26 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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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33 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
34 */
35
36#include "cc_internal.h"
37#include "ccdrbg.h"
38#include "ccdrbg_internal.h"
39
40bool
41ccdrbg_must_reseed(const struct ccdrbg_info *info,
42 const struct ccdrbg_state *drbg)
43{
44 CC_ENSURE_DIT_ENABLED
45
46 return info->must_reseed(drbg);
47}
48
49int
50ccdrbg_init(const struct ccdrbg_info *info,
51 struct ccdrbg_state *drbg,
52 size_t entropyLength, const void* entropy,
53 size_t nonceLength, const void* nonce,
54 size_t psLength, const void* ps)
55{
56 CC_ENSURE_DIT_ENABLED
57
58 return info->init(info, drbg, entropyLength, entropy, nonceLength, nonce, psLength, ps);
59}
60
61int
62ccdrbg_reseed(const struct ccdrbg_info *info,
63 struct ccdrbg_state *drbg,
64 size_t entropyLength, const void *entropy,
65 size_t additionalLength, const void *additional)
66{
67 CC_ENSURE_DIT_ENABLED
68
69 return info->reseed(drbg, entropyLength, entropy, additionalLength, additional);
70}
71
72
73int
74ccdrbg_generate(const struct ccdrbg_info *info,
75 struct ccdrbg_state *drbg,
76 size_t dataOutLength, void *dataOut,
77 size_t additionalLength, const void *additional)
78{
79 CC_ENSURE_DIT_ENABLED
80
81 return info->generate(drbg, dataOutLength, dataOut, additionalLength, additional);
82}
83
84void
85ccdrbg_done(const struct ccdrbg_info *info, struct ccdrbg_state *drbg)
86{
87 info->done(drbg);
88}
89
90size_t
91ccdrbg_context_size(const struct ccdrbg_info *info)
92{
93 return info->size;
94}
95