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zero_entropy.h
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1 /*
2  * Copyright (C) 2020 HAW Hamburg
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
22 #ifndef ENTROPY_SOURCE_ZERO_ENTROPY_H
23 #define ENTROPY_SOURCE_ZERO_ENTROPY_H
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
29 #include <inttypes.h>
30 #include <stddef.h>
31 
42 #if !defined(CONFIG_KCONFIG_USEMODULE_ENTROPY_SOURCE_ZERO_ENTROPY) || defined(DOXYGEN)
43 #ifndef CONFIG_ENTROPY_SOURCE_ZERO_ENTROPY_HMIN
44 #define CONFIG_ENTROPY_SOURCE_ZERO_HMIN (58982)
45 #endif
46 
52 #ifndef CONFIG_ENTROPY_SOURCE_ZERO_HEALTH_TEST
53 #define CONFIG_ENTROPY_SOURCE_ZERO_HEALTH_TEST 1
54 #endif
55 
63 #ifndef CONFIG_ENTROPY_SOURCE_ZERO_COND
64 #define CONFIG_ENTROPY_SOURCE_ZERO_COND 0
65 #endif
66 #endif /* !CONFIG_KCONFIG_USEMODULE_ENTROPY_SOURCE_ZERO_ENTROPY || DOXYGEN */
75 
85 int entropy_source_zero_get(uint8_t *buf, size_t len);
86 
87 #ifdef __cplusplus
88 }
89 #endif
90 
91 #endif /* ENTROPY_SOURCE_ZERO_ENTROPY_H */
int entropy_source_zero_get(uint8_t *buf, size_t len)
Generates zeros.
int entropy_source_zero_init(void)
Initializes test structures, if tests are enabled.
Adds include for missing inttype definitions.