diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/include/mbedtls/timing.h')
| -rw-r--r-- | lib/mbedtls-2.27.0/include/mbedtls/timing.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/lib/mbedtls-2.27.0/include/mbedtls/timing.h b/lib/mbedtls-2.27.0/include/mbedtls/timing.h deleted file mode 100644 index b7290cf..0000000 --- a/lib/mbedtls-2.27.0/include/mbedtls/timing.h +++ /dev/null @@ -1,151 +0,0 @@ -/** - * \file timing.h - * - * \brief Portable interface to timeouts and to the CPU cycle counter - */ -/* - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may - * not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef MBEDTLS_TIMING_H -#define MBEDTLS_TIMING_H - -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif - -#include <stdint.h> - -#ifdef __cplusplus -extern "C" { -#endif - -#if !defined(MBEDTLS_TIMING_ALT) -// Regular implementation -// - -/** - * \brief timer structure - */ -struct mbedtls_timing_hr_time -{ - unsigned char opaque[32]; -}; - -/** - * \brief Context for mbedtls_timing_set/get_delay() - */ -typedef struct mbedtls_timing_delay_context -{ - struct mbedtls_timing_hr_time timer; - uint32_t int_ms; - uint32_t fin_ms; -} mbedtls_timing_delay_context; - -#else /* MBEDTLS_TIMING_ALT */ -#include "timing_alt.h" -#endif /* MBEDTLS_TIMING_ALT */ - -extern volatile int mbedtls_timing_alarmed; - -/** - * \brief Return the CPU cycle counter value - * - * \warning This is only a best effort! Do not rely on this! - * In particular, it is known to be unreliable on virtual - * machines. - * - * \note This value starts at an unspecified origin and - * may wrap around. - */ -unsigned long mbedtls_timing_hardclock( void ); - -/** - * \brief Return the elapsed time in milliseconds - * - * \param val points to a timer structure - * \param reset If 0, query the elapsed time. Otherwise (re)start the timer. - * - * \return Elapsed time since the previous reset in ms. When - * restarting, this is always 0. - * - * \note To initialize a timer, call this function with reset=1. - * - * Determining the elapsed time and resetting the timer is not - * atomic on all platforms, so after the sequence - * `{ get_timer(1); ...; time1 = get_timer(1); ...; time2 = - * get_timer(0) }` the value time1+time2 is only approximately - * the delay since the first reset. - */ -unsigned long mbedtls_timing_get_timer( struct mbedtls_timing_hr_time *val, int reset ); - -/** - * \brief Setup an alarm clock - * - * \param seconds delay before the "mbedtls_timing_alarmed" flag is set - * (must be >=0) - * - * \warning Only one alarm at a time is supported. In a threaded - * context, this means one for the whole process, not one per - * thread. - */ -void mbedtls_set_alarm( int seconds ); - -/** - * \brief Set a pair of delays to watch - * (See \c mbedtls_timing_get_delay().) - * - * \param data Pointer to timing data. - * Must point to a valid \c mbedtls_timing_delay_context struct. - * \param int_ms First (intermediate) delay in milliseconds. - * The effect if int_ms > fin_ms is unspecified. - * \param fin_ms Second (final) delay in milliseconds. - * Pass 0 to cancel the current delay. - * - * \note To set a single delay, either use \c mbedtls_timing_set_timer - * directly or use this function with int_ms == fin_ms. - */ -void mbedtls_timing_set_delay( void *data, uint32_t int_ms, uint32_t fin_ms ); - -/** - * \brief Get the status of delays - * (Memory helper: number of delays passed.) - * - * \param data Pointer to timing data - * Must point to a valid \c mbedtls_timing_delay_context struct. - * - * \return -1 if cancelled (fin_ms = 0), - * 0 if none of the delays are passed, - * 1 if only the intermediate delay is passed, - * 2 if the final delay is passed. - */ -int mbedtls_timing_get_delay( void *data ); - -#if defined(MBEDTLS_SELF_TEST) -/** - * \brief Checkup routine - * - * \return 0 if successful, or 1 if a test failed - */ -int mbedtls_timing_self_test( int verbose ); -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* timing.h */ |