29 lines
821 B
C
29 lines
821 B
C
/*
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* SPDX-FileCopyrightText: 2017-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "randombytes_internal.h"
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#include "esp_system.h"
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static const char *randombytes_esp32xx_implementation_name(void)
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{
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return CONFIG_IDF_TARGET;
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}
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/*
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Plug the ESP32 hardware RNG into libsodium's custom RNG support, as per
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https://download.libsodium.org/doc/advanced/custom_rng.html
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Note that this RNG is selected by default (see randombytes_default.h), so there
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is no need to call randombytes_set_implementation().
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*/
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const struct randombytes_implementation randombytes_esp32_implementation = {
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.implementation_name = randombytes_esp32xx_implementation_name,
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.random = esp_random,
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.stir = NULL,
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.uniform = NULL,
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.buf = esp_fill_random,
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.close = NULL,
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};
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