mirror of
https://github.com/Proxmark/proxmark3.git
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700d868794
* update polarssl to mbedtls * fix a warning in armsrc/iso15693 * added random generator and ecdsa test * added signature check to test * move crypto lib to client directory
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/**
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* \file threading.h
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*
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* \brief Threading abstraction layer
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*/
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/*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: GPL-2.0
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MBEDTLS_THREADING_H
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#define MBEDTLS_THREADING_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE -0x001A /**< The selected feature is not available. */
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#define MBEDTLS_ERR_THREADING_BAD_INPUT_DATA -0x001C /**< Bad input parameters to function. */
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#define MBEDTLS_ERR_THREADING_MUTEX_ERROR -0x001E /**< Locking / unlocking / free failed with error code. */
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#if defined(MBEDTLS_THREADING_PTHREAD)
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#include <pthread.h>
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typedef struct mbedtls_threading_mutex_t
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{
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pthread_mutex_t mutex;
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char is_valid;
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} mbedtls_threading_mutex_t;
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#endif
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#if defined(MBEDTLS_THREADING_ALT)
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/* You should define the mbedtls_threading_mutex_t type in your header */
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#include "threading_alt.h"
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/**
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* \brief Set your alternate threading implementation function
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* pointers and initialize global mutexes. If used, this
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* function must be called once in the main thread before any
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* other mbed TLS function is called, and
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* mbedtls_threading_free_alt() must be called once in the main
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* thread after all other mbed TLS functions.
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*
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* \note mutex_init() and mutex_free() don't return a status code.
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* If mutex_init() fails, it should leave its argument (the
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* mutex) in a state such that mutex_lock() will fail when
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* called with this argument.
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*
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* \param mutex_init the init function implementation
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* \param mutex_free the free function implementation
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* \param mutex_lock the lock function implementation
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* \param mutex_unlock the unlock function implementation
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*/
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void mbedtls_threading_set_alt( void (*mutex_init)( mbedtls_threading_mutex_t * ),
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void (*mutex_free)( mbedtls_threading_mutex_t * ),
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int (*mutex_lock)( mbedtls_threading_mutex_t * ),
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int (*mutex_unlock)( mbedtls_threading_mutex_t * ) );
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/**
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* \brief Free global mutexes.
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*/
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void mbedtls_threading_free_alt( void );
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#endif /* MBEDTLS_THREADING_ALT */
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#if defined(MBEDTLS_THREADING_C)
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/*
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* The function pointers for mutex_init, mutex_free, mutex_ and mutex_unlock
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*
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* All these functions are expected to work or the result will be undefined.
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*/
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extern void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t *mutex );
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extern void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t *mutex );
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extern int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t *mutex );
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extern int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t *mutex );
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/*
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* Global mutexes
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*/
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#if defined(MBEDTLS_FS_IO)
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extern mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex;
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#endif
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#endif /* MBEDTLS_THREADING_C */
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#ifdef __cplusplus
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}
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#endif
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#endif /* threading.h */
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