/work/toxcore/os_random.c
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1 | | /* SPDX-License-Identifier: GPL-3.0-or-later |
2 | | * Copyright © 2022-2026 The TokTok team. |
3 | | */ |
4 | | #include "os_random.h" |
5 | | |
6 | | #include <sodium.h> |
7 | | #include <stdbool.h> |
8 | | |
9 | | #include "attributes.h" |
10 | | #include "ccompat.h" |
11 | | #include "rng.h" |
12 | | |
13 | | static void os_random_bytes(void *_Nonnull self, uint8_t *_Nonnull bytes, uint32_t length) |
14 | 770k | { |
15 | 770k | randombytes(bytes, length); |
16 | 770k | } |
17 | | |
18 | | static uint32_t os_random_uniform(void *_Nonnull self, uint32_t upper_bound) |
19 | 95.7k | { |
20 | 95.7k | return randombytes_uniform(upper_bound); |
21 | 95.7k | } |
22 | | |
23 | | static const Random_Funcs os_random_funcs = { |
24 | | os_random_bytes, |
25 | | os_random_uniform, |
26 | | }; |
27 | | |
28 | | const Random os_random_obj = {&os_random_funcs}; |
29 | | |
30 | | const Random *os_random(void) |
31 | 1.98k | { |
32 | | #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION |
33 | 1.47k | if ((true)) { |
34 | 1.47k | return nullptr; |
35 | 1.47k | } |
36 | 0 | #endif /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */ |
37 | | // It is safe to call this function more than once and from different |
38 | | // threads -- subsequent calls won't have any effects. |
39 | 504 | if (sodium_init() == -1) { |
40 | 0 | return nullptr; |
41 | 0 | } |
42 | 504 | return &os_random_obj; |
43 | 0 | } Line | Count | Source | 31 | 1.47k | { | 32 | 1.47k | #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION | 33 | 1.47k | if ((true)) { | 34 | 1.47k | return nullptr; | 35 | 1.47k | } | 36 | 0 | #endif /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */ | 37 | | // It is safe to call this function more than once and from different | 38 | | // threads -- subsequent calls won't have any effects. | 39 | 0 | if (sodium_init() == -1) { | 40 | 0 | return nullptr; | 41 | 0 | } | 42 | 0 | return &os_random_obj; | 43 | 0 | } |
Line | Count | Source | 31 | 504 | { | 32 | | #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION | 33 | | if ((true)) { | 34 | | return nullptr; | 35 | | } | 36 | | #endif /* FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION */ | 37 | | // It is safe to call this function more than once and from different | 38 | | // threads -- subsequent calls won't have any effects. | 39 | 504 | if (sodium_init() == -1) { | 40 | 0 | return nullptr; | 41 | 0 | } | 42 | 504 | return &os_random_obj; | 43 | 504 | } |
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