1/*
2 * Copyright (C) 2010 IBM Corporation
3 * Author: David Safford <safford@us.ibm.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, version 2 of the License.
8 */
9
10#ifndef _KEYS_TRUSTED_TYPE_H
11#define _KEYS_TRUSTED_TYPE_H
12
13#include <linux/key.h>
14#include <linux/rcupdate.h>
15#include <linux/tpm.h>
16
17#define MIN_KEY_SIZE			32
18#define MAX_KEY_SIZE			128
19#define MAX_BLOB_SIZE			512
20#define MAX_PCRINFO_SIZE		64
21
22struct trusted_key_payload {
23	struct rcu_head rcu;
24	unsigned int key_len;
25	unsigned int blob_len;
26	unsigned char migratable;
27	unsigned char key[MAX_KEY_SIZE + 1];
28	unsigned char blob[MAX_BLOB_SIZE];
29};
30
31struct trusted_key_options {
32	uint16_t keytype;
33	uint32_t keyhandle;
34	unsigned char keyauth[TPM_DIGEST_SIZE];
35	unsigned char blobauth[TPM_DIGEST_SIZE];
36	uint32_t pcrinfo_len;
37	unsigned char pcrinfo[MAX_PCRINFO_SIZE];
38	int pcrlock;
39};
40
41extern struct key_type key_type_trusted;
42
43#endif /* _KEYS_TRUSTED_TYPE_H */
44