mbed TLS v2.23.0: havege.h Source File

mbed TLS v2.23.0

havege.h
Go to the documentation of this file.
1
6 /*
7 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
8 * SPDX-License-Identifier: Apache-2.0
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
11 * not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
18 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 *
22 * This file is part of mbed TLS (https://tls.mbed.org)
23 */
24 #ifndef MBEDTLS_HAVEGE_H
25 #define MBEDTLS_HAVEGE_H
26
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "mbedtls/config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32
33 #include <stddef.h>
34 #include <stdint.h>
35
36 #define MBEDTLS_HAVEGE_COLLECT_SIZE 1024
37
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
45 typedef struct mbedtls_havege_state
46 {
47 uint32_t PT1, PT2, offset[2];
48 uint32_t pool[MBEDTLS_HAVEGE_COLLECT_SIZE];
49 uint32_t WALK[8192];
50 }
51 mbedtls_havege_state;
52
58 void mbedtls_havege_init( mbedtls_havege_state *hs );
59
65 void mbedtls_havege_free( mbedtls_havege_state *hs );
66
76 int mbedtls_havege_random( void *p_rng, unsigned char *output, size_t len );
77
78 #ifdef __cplusplus
79 }
80 #endif
81
82 #endif /* havege.h */
mbedtls_havege_state::PT1
uint32_t PT1
Definition: havege.h:47
mbedtls_havege_state::offset
uint32_t offset[2]
Definition: havege.h:47
mbedtls_havege_state::PT2
uint32_t PT2
Definition: havege.h:47
mbedtls_havege_state
HAVEGE state structure.
Definition: havege.h:46
mbedtls_havege_state::pool
uint32_t pool[MBEDTLS_HAVEGE_COLLECT_SIZE]
Definition: havege.h:48
mbedtls_havege_free
void mbedtls_havege_free(mbedtls_havege_state *hs)
Clear HAVEGE state.
mbedtls_havege_state::WALK
uint32_t WALK[8192]
Definition: havege.h:49
mbedtls_havege_state
struct mbedtls_havege_state mbedtls_havege_state
HAVEGE state structure.
mbedtls_havege_random
int mbedtls_havege_random(void *p_rng, unsigned char *output, size_t len)
HAVEGE rand function.
config.h
Configuration options (set of defines)
mbedtls_havege_init
void mbedtls_havege_init(mbedtls_havege_state *hs)
HAVEGE initialization.
MBEDTLS_HAVEGE_COLLECT_SIZE
#define MBEDTLS_HAVEGE_COLLECT_SIZE
Definition: havege.h:36