mbedtls_hardware_poll() function
Entropy poll callback for a hardware source \warning This is not provided by Mbed TLS! See \c MBEDTLS_ENTROPY_HARDWARE_ALT in mbedtls_config.h.
Syntax
int mbedtls_hardware_poll( void *data,
unsigned char *output,
size_t len,
size_t *olen );
Notes
This must accept NULL as its first argument.