entropy_poll.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 */
#ifndef MBEDTLS_ENTROPY_POLL_H
#define MBEDTLS_ENTROPY_POLL_H
 
#include "mbedtls/build_info.h"
 
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * Default thresholds for built-in sources, in bytes
 */
#define MBEDTLS_ENTROPY_MIN_PLATFORM     32     
#if !defined(MBEDTLS_ENTROPY_MIN_HARDWARE)
#define MBEDTLS_ENTROPY_MIN_HARDWARE     32     
#endif
 
#if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
int mbedtls_platform_entropy_poll(void *data,
                                  unsigned char *output, size_t len, size_t *olen);
#endif
 
#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
int mbedtls_hardware_poll(void *data,
                          unsigned char *output, size_t len, size_t *olen);
#endif
 
#if defined(MBEDTLS_ENTROPY_NV_SEED)
int mbedtls_nv_seed_poll(void *data,
                         unsigned char *output, size_t len, size_t *olen);
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* entropy_poll.h */