ReactOS 0.4.16-dev-297-gc569aee
entropy_poll.h
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1
6/*
7 * Copyright The Mbed TLS Contributors
8 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
9 *
10 * This file is provided under the Apache License 2.0, or the
11 * GNU General Public License v2.0 or later.
12 *
13 * **********
14 * Apache License 2.0:
15 *
16 * Licensed under the Apache License, Version 2.0 (the "License"); you may
17 * not use this file except in compliance with the License.
18 * You may obtain a copy of the License at
19 *
20 * http://www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
27 *
28 * **********
29 *
30 * **********
31 * GNU General Public License v2.0 or later:
32 *
33 * This program is free software; you can redistribute it and/or modify
34 * it under the terms of the GNU General Public License as published by
35 * the Free Software Foundation; either version 2 of the License, or
36 * (at your option) any later version.
37 *
38 * This program is distributed in the hope that it will be useful,
39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41 * GNU General Public License for more details.
42 *
43 * You should have received a copy of the GNU General Public License along
44 * with this program; if not, write to the Free Software Foundation, Inc.,
45 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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48 */
49#ifndef MBEDTLS_ENTROPY_POLL_H
50#define MBEDTLS_ENTROPY_POLL_H
51
52#if !defined(MBEDTLS_CONFIG_FILE)
53#include "config.h"
54#else
55#include MBEDTLS_CONFIG_FILE
56#endif
57
58#include <stddef.h>
59
60#ifdef __cplusplus
61extern "C" {
62#endif
63
64/*
65 * Default thresholds for built-in sources, in bytes
66 */
67#define MBEDTLS_ENTROPY_MIN_PLATFORM 32
68#define MBEDTLS_ENTROPY_MIN_HAVEGE 32
69#define MBEDTLS_ENTROPY_MIN_HARDCLOCK 4
70#if !defined(MBEDTLS_ENTROPY_MIN_HARDWARE)
71#define MBEDTLS_ENTROPY_MIN_HARDWARE 32
72#endif
73
77#if defined(MBEDTLS_TEST_NULL_ENTROPY)
78 int mbedtls_null_entropy_poll( void *data,
79 unsigned char *output, size_t len, size_t *olen );
80#endif
81
82#if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
87 unsigned char *output, size_t len, size_t *olen );
88#endif
89
90#if defined(MBEDTLS_HAVEGE_C)
96int mbedtls_havege_poll( void *data,
97 unsigned char *output, size_t len, size_t *olen );
98#endif
99
100#if defined(MBEDTLS_TIMING_C)
105 unsigned char *output, size_t len, size_t *olen );
106#endif
107
108#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
117int mbedtls_hardware_poll( void *data,
118 unsigned char *output, size_t len, size_t *olen );
119#endif
120
121#if defined(MBEDTLS_ENTROPY_NV_SEED)
127int mbedtls_nv_seed_poll( void *data,
128 unsigned char *output, size_t len, size_t *olen );
129#endif
130
131#ifdef __cplusplus
132}
133#endif
134
135#endif /* entropy_poll.h */
int mbedtls_platform_entropy_poll(void *data, unsigned char *output, size_t len, size_t *olen)
Entropy poll callback that provides 0 entropy.
int mbedtls_hardclock_poll(void *data, unsigned char *output, size_t len, size_t *olen)
mbedtls_timing_hardclock-based entropy poll callback
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: gl.h:1950
GLenum GLsizei len
Definition: glext.h:6722