entropy_seed_material Struct Reference

Seed material as specified in NIST SP 800-90Ar1 section 10.2.1.3.1. More...

#include <sw/device/lib/crypto/drivers/entropy.h>

Data Fields
size_t	len
	Number of words set in data. More...
uint32_t	data [kEntropySeedWords]
	Seed material in unsigned word format.

Detailed Description

Seed material as specified in NIST SP 800-90Ar1 section 10.2.1.3.1.

Up to 12 words of seed material can be provided using this interface.

Definition at line 42 of file entropy.h.

Field Documentation

data

uint32_t entropy_seed_material::data[kEntropySeedWords]

Seed material in unsigned word format.

Definition at line 51 of file entropy.h.

len

size_t entropy_seed_material::len

Number of words set in data.

CSRNG will extend the data to zeros if the provided value is less than 12.

Definition at line 47 of file entropy.h.