52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
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/*
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* ESPRSSIF MIT License
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*
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* Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
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*
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* Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
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* it is free of charge, to any person obtaining a copy of this software and associated
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* documentation files (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/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 <sys/types.h>
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#include "osapi.h"
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#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
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/**
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* \brief Entropy poll callback for a hardware source
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*
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* \warning This is not provided by mbed TLS!
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* See \c MBEDTLS_ENTROPY_HARDWARE_ALT in config.h.
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*
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* \note This must accept NULL as its first argument.
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*/
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int mbedtls_hardware_poll( void *data,
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unsigned char *output, size_t len, size_t *olen )
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{
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os_get_random(output, len);
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*olen = len;
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return 0;
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}
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#endif
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