entropy_poll.h File Reference

Platform-specific and custom entropy polling functions. More...

Macros
#define	MBEDTLS_ENTROPY_MIN_HARDCLOCK   4
#define	MBEDTLS_ENTROPY_MIN_HARDWARE   32
#define	MBEDTLS_ENTROPY_MIN_HAVEGE   32
#define	MBEDTLS_ENTROPY_MIN_PLATFORM   32

Functions
int	mbedtls_hardware_poll (void *data, unsigned char *output, size_t len, size_t *olen)
	Entropy poll callback that provides 0 entropy.

Detailed Description

Platform-specific and custom entropy polling functions.

Macro Definition Documentation

MBEDTLS_ENTROPY_MIN_HARDCLOCK

#define MBEDTLS_ENTROPY_MIN_HARDCLOCK   4

Minimum for mbedtls_timing_hardclock()

MBEDTLS_ENTROPY_MIN_HARDWARE

#define MBEDTLS_ENTROPY_MIN_HARDWARE   32

Minimum for the hardware source

MBEDTLS_ENTROPY_MIN_HAVEGE

#define MBEDTLS_ENTROPY_MIN_HAVEGE   32

Minimum for HAVEGE

MBEDTLS_ENTROPY_MIN_PLATFORM

#define MBEDTLS_ENTROPY_MIN_PLATFORM   32

Minimum for platform source

Function Documentation

mbedtls_hardware_poll()

int mbedtls_hardware_poll	(	void *	data,
		unsigned char *	output,
		size_t	len,
		size_t *	olen )

Entropy poll callback that provides 0 entropy.

Entropy poll callback for a hardware source

Warning

This is not provided by mbed TLS! See MBEDTLS_ENTROPY_HARDWARE_ALT in config.h.

Note

This must accept NULL as its first argument.