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https://github.com/espressif/esp-idf.git
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ad7cb5f5c1
This commit add following crypto changes 1. Update current crypto code with upstream supplicant code 2. Add a proper porting layer to use mbedtls APIs for all the crypto operations used by supplicant. Internal crypto will be used when USE_MBEDLTS flag is disabled in supplicant's menuconfig. This commit also removes the clutter in crypto files due to partial porting of some APIs to mbedtls, all the code from those files have been removed and rewritten in a generic way, this is inspired from current upstream code. This also reduces the lib size significantly, supplicant's lib size reduces around ~567kb after this change(NB: lib size doesn't indicate reduction in final bin size).
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
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* wpa_supplicant/hostapd / Internal implementation of OS specific functions
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* Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
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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 version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*
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* This file is an example of operating system specific wrapper functions.
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* This version implements many of the functions internally, so it can be used
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* to fill in missing functions from the target system C libraries.
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*
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* Some of the functions are using standard C library calls in order to keep
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* this file in working condition to allow the functions to be tested on a
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* Linux target. Please note that OS_NO_C_LIB_DEFINES needs to be defined for
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* this file to work correctly. Note that these implementations are only
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* examples and are not optimized for speed.
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*/
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#include "os.h"
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include "esp_system.h"
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#include "utils/common.h"
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#include "mbedtls/platform_util.h"
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int os_get_time(struct os_time *t)
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{
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struct timeval tv;
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int ret = gettimeofday(&tv, NULL);
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t->sec = (os_time_t) tv.tv_sec;
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t->usec = tv.tv_usec;
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return ret;
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}
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unsigned long os_random(void)
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{
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return esp_random();
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}
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int os_get_random(unsigned char *buf, size_t len)
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{
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esp_fill_random(buf, len);
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return 0;
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}
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void os_sleep(os_time_t sec, os_time_t usec)
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{
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if (sec) {
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sleep(sec);
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}
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if (usec) {
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usleep(usec);
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}
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}
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#ifdef USE_MBEDTLS_CRYPTO
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void forced_memzero(void *ptr, size_t len)
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{
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mbedtls_platform_zeroize(ptr, len);
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}
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#endif
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