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feat(mbedtls): Add mbedtls_esp_random()
Suitable for passing as f_rng to various Mbed-TLS APIs that require it
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@@ -9,6 +9,7 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include "esp_random.h"
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#include "mbedtls/esp_random.h"
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#include <entropy_poll.h>
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@@ -23,3 +24,9 @@ int mbedtls_hardware_poll( void *data,
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*olen = len;
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return 0;
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}
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int mbedtls_esp_random(void *ctx, 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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29
components/mbedtls/port/include/mbedtls/esp_random.h
Normal file
29
components/mbedtls/port/include/mbedtls/esp_random.h
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@@ -0,0 +1,29 @@
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/*
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* SPDX-FileCopyrightText: 2015-2025 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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#pragma once
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief MbedTLS-compatible RNG function
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*
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* @note Suitable for passing as f_rng to various Mbed-TLS APIs that require it.
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*
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* @param ctx User-supplied context
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* @param buf Pointer to buffer to fill with random numbers.
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* @param len Length of buffer in bytes
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*
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* @return 0 (success)
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*/
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int mbedtls_esp_random(void *ctx, unsigned char *buf, size_t len);
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#ifdef __cplusplus
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}
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#endif
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