mbed TLS v2.28.2
timing.h
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1 
6 /*
7  * Copyright The Mbed TLS Contributors
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 #ifndef MBEDTLS_TIMING_H
23 #define MBEDTLS_TIMING_H
24 
25 #if !defined(MBEDTLS_CONFIG_FILE)
26 #include "mbedtls/config.h"
27 #else
28 #include MBEDTLS_CONFIG_FILE
29 #endif
30 
31 #include <stdint.h>
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 #if !defined(MBEDTLS_TIMING_ALT)
38 // Regular implementation
39 //
40 
45 {
46  unsigned char opaque[32];
47 };
48 
53 {
55  uint32_t int_ms;
56  uint32_t fin_ms;
58 
59 #else /* MBEDTLS_TIMING_ALT */
60 #include "timing_alt.h"
61 #endif /* MBEDTLS_TIMING_ALT */
62 
63 extern volatile int mbedtls_timing_alarmed;
64 
75 unsigned long mbedtls_timing_hardclock( void );
76 
94 unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset );
95 
106 void mbedtls_set_alarm( int seconds );
107 
122 void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms );
123 
136 int mbedtls_timing_get_delay( void *data );
137 
138 #if defined(MBEDTLS_SELF_TEST)
144 int mbedtls_timing_self_test( int verbose );
145 #endif
146 
147 #ifdef __cplusplus
148 }
149 #endif
150 
151 #endif /* timing.h */
Configuration options (set of defines)
Context for mbedtls_timing_set/get_delay()
Definition: timing.h:53
struct mbedtls_timing_hr_time timer
Definition: timing.h:54
timer structure
Definition: timing.h:45
unsigned char opaque[32]
Definition: timing.h:46
unsigned long mbedtls_timing_get_timer(struct mbedtls_timing_hr_time *val, int reset)
Return the elapsed time in milliseconds.
struct mbedtls_timing_delay_context mbedtls_timing_delay_context
Context for mbedtls_timing_set/get_delay()
void mbedtls_set_alarm(int seconds)
Setup an alarm clock.
int mbedtls_timing_self_test(int verbose)
Checkup routine.
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().)
unsigned long mbedtls_timing_hardclock(void)
Return the CPU cycle counter value.
volatile int mbedtls_timing_alarmed
int mbedtls_timing_get_delay(void *data)
Get the status of delays (Memory helper: number of delays passed.)