hw_unique_key_write()

int hw_unique_key_write	(	enum hw_unique_key_slot	key_slot,
		const uint8_t *	key
	)

#include <include/hw_unique_key.h>

Write a Hardware Unique Key to the KMU.

This can only be done once (until a mass erase happens). This function waits for the flash operation to finish before returning.

Parameters

[in]	key_slot	The keyslot to write to, see HUK_KEYSLOT_*.
[in]	key	The key to write. Must be HUK_SIZE_BYTES bytes long.

Returns

HW_UNIQUE_KEY_SUCCESS on success, otherwise a negative hardware unique key error code