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https://github.com/espressif/ESP8266_RTOS_SDK.git
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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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#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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}
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#endif
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