mbed TLS v2.16.5

timing.h
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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_TIMING_H
25 #define MBEDTLS_TIMING_H
26
27 #if !defined(MBEDTLS_CONFIG_FILE)
28 #include "config.h"
29 #else
30 #include MBEDTLS_CONFIG_FILE
31 #endif
32
33 #include <stdint.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 #if !defined(MBEDTLS_TIMING_ALT)
40 // Regular implementation
41 //
42
46 struct mbedtls_timing_hr_time
47 {
48 unsigned char opaque[32];
49 };
50
54 typedef struct mbedtls_timing_delay_context
55 {
56 struct mbedtls_timing_hr_time timer;
57 uint32_t int_ms;
58 uint32_t fin_ms;
59 } mbedtls_timing_delay_context;
60
61 #else /* MBEDTLS_TIMING_ALT */
62 #include "timing_alt.h"
63 #endif /* MBEDTLS_TIMING_ALT */
64
65 extern volatile int mbedtls_timing_alarmed;
66
77 unsigned long mbedtls_timing_hardclock( void );
78
96 unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset );
97
108 void mbedtls_set_alarm( int seconds );
109
124 void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms );
125
138 int mbedtls_timing_get_delay( void *data );
139
140 #if defined(MBEDTLS_SELF_TEST)
141
146 int mbedtls_timing_self_test( int verbose );
147 #endif
148
149 #ifdef __cplusplus
150 }
151 #endif
152
153 #endif /* timing.h */
mbedtls_timing_hr_time
timer structure
Definition: timing.h:46
mbedtls_timing_get_delay
int mbedtls_timing_get_delay(void *data)
Get the status of delays (Memory helper: number of delays passed.)
mbedtls_set_alarm
void mbedtls_set_alarm(int seconds)
Setup an alarm clock.
mbedtls_timing_self_test
int mbedtls_timing_self_test(int verbose)
Checkup routine.
mbedtls_timing_get_timer
unsigned long mbedtls_timing_get_timer(struct mbedtls_timing_hr_time *val, int reset)
Return the elapsed time in milliseconds.
mbedtls_timing_alarmed
volatile int mbedtls_timing_alarmed
mbedtls_timing_delay_context
Context for mbedtls_timing_set/get_delay()
Definition: timing.h:54
mbedtls_timing_delay_context
struct mbedtls_timing_delay_context mbedtls_timing_delay_context
Context for mbedtls_timing_set/get_delay()
mbedtls_timing_delay_context::timer
struct mbedtls_timing_hr_time timer
Definition: timing.h:56
mbedtls_timing_hardclock
unsigned long mbedtls_timing_hardclock(void)
Return the CPU cycle counter value.
mbedtls_timing_delay_context::fin_ms
uint32_t fin_ms
Definition: timing.h:58
config.h
Configuration options (set of defines)
mbedtls_timing_delay_context::int_ms
uint32_t int_ms
Definition: timing.h:57
mbedtls_timing_hr_time::opaque
unsigned char opaque[32]
Definition: timing.h:48
mbedtls_timing_set_delay
void mbedtls_timing_set_delay(void *data, uint32_t int_ms, uint32_t fin_ms)
Set a pair of delays to watch (See mbedtls_timing_get_delay().)