Hannes Tschofenig
/
aes-gcm-test-program
Example program to test AES-GCM functionality. Used for a workshop
Diff: SSL/include/polarssl/timing.h
- Revision:
- 0:796d0f61a05b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SSL/include/polarssl/timing.h Thu Sep 27 06:34:22 2018 +0000 @@ -0,0 +1,100 @@ +/** + * \file timing.h + * + * \brief Portable interface to the CPU cycle counter + * + * Copyright (C) 2006-2014, Brainspark B.V. + * + * This file is part of PolarSSL (http://www.polarssl.org) + * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifndef POLARSSL_TIMING_H +#define POLARSSL_TIMING_H + +#if !defined(POLARSSL_CONFIG_FILE) +#include "config.h" +#else +#include POLARSSL_CONFIG_FILE +#endif + +#if !defined(POLARSSL_TIMING_ALT) +// Regular implementation +// + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief timer structure + */ +struct hr_time +{ + unsigned char opaque[32]; +}; + +extern volatile int alarmed; + +/** + * \brief Return the CPU cycle counter value + */ +unsigned long hardclock( void ); + +/** + * \brief Return the elapsed time in milliseconds + * + * \param val points to a timer structure + * \param reset if set to 1, the timer is restarted + */ +unsigned long get_timer( struct hr_time *val, int reset ); + +/** + * \brief Setup an alarm clock + * + * \param seconds delay before the "alarmed" flag is set + */ +void set_alarm( int seconds ); + +/** + * \brief Sleep for a certain amount of time + * + * \param milliseconds delay in milliseconds + */ +void m_sleep( int milliseconds ); + +#if defined(POLARSSL_SELF_TEST) +/** + * \brief Checkup routine + * + * \return 0 if successful, or 1 if a test failed + */ +int timing_self_test( int verbose ); +#endif + +#ifdef __cplusplus +} +#endif + +#else /* POLARSSL_TIMING_ALT */ +#include "timing_alt.h" +#endif /* POLARSSL_TIMING_ALT */ + +#endif /* timing.h */ + +