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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018 NXP.
*
*/
#ifndef _KEYS_SECURE_TYPE_H
#define _KEYS_SECURE_TYPE_H
#include <linux/key.h>
#include <linux/rcupdate.h>
/* Minimum key size to be used is 32 bytes and maximum key size fixed
* is 128 bytes.
* Blob size to be kept is Maximum key size + blob header added by CAAM.
*/
#define MIN_KEY_SIZE 32
#define MAX_KEY_SIZE 128
#define BLOB_HEADER_SIZE 48
#define MAX_BLOB_SIZE (MAX_KEY_SIZE + BLOB_HEADER_SIZE)
struct secure_key_payload {
struct rcu_head rcu;
unsigned int key_len;
unsigned int blob_len;
unsigned char key[MAX_KEY_SIZE + 1];
unsigned char blob[MAX_BLOB_SIZE];
};
extern struct key_type key_type_secure;
#endif
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