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zero_entropy.h
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1/*
2 * SPDX-FileCopyrightText: 2020 HAW Hamburg
3 * SPDX-License-Identifier: LGPL-2.1-only
4 */
5
6#pragma once
7
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25#include <inttypes.h>
26#include <stddef.h>
27
32
38#if !defined(CONFIG_KCONFIG_USEMODULE_ENTROPY_SOURCE_ZERO_ENTROPY) || defined(DOXYGEN)
39#ifndef CONFIG_ENTROPY_SOURCE_ZERO_ENTROPY_HMIN
40#define CONFIG_ENTROPY_SOURCE_ZERO_HMIN (58982)
41#endif
42
48#ifndef CONFIG_ENTROPY_SOURCE_ZERO_HEALTH_TEST
49#define CONFIG_ENTROPY_SOURCE_ZERO_HEALTH_TEST 1
50#endif
51
59#ifndef CONFIG_ENTROPY_SOURCE_ZERO_COND
60#define CONFIG_ENTROPY_SOURCE_ZERO_COND 0
61#endif
62#endif /* !CONFIG_KCONFIG_USEMODULE_ENTROPY_SOURCE_ZERO_ENTROPY || DOXYGEN */
64
70int entropy_source_zero_init(void);
71
81int entropy_source_zero_get(uint8_t *buf, size_t len);
82
83#ifdef __cplusplus
84}
85#endif
86
entropy_source_zero_get
int entropy_source_zero_get(uint8_t *buf, size_t len)
Generates zeros.
entropy_source_zero_init
int entropy_source_zero_init(void)
Initializes test structures, if tests are enabled.
inttypes.h
Adds include for missing inttype definitions.