/** * Mbedtls entropy_poll.h file * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #ifndef MBEDTLS_ENTROPY_POLL_H #define MBEDTLS_ENTROPY_POLL_H #include "mbedtls/build_info.h" #include #ifdef __cplusplus extern "C" { #endif /** * \brief Entropy poll callback for a hardware source * * * \note This must accept NULL as its first argument. */ int mbedtls_hardware_poll( void *data, unsigned char *output, size_t len, size_t *olen ); #ifdef __cplusplus } #endif #endif /* entropy_poll.h */