1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2010 IBM Corporation
4 * Author: David Safford <safford@us.ibm.com>
7 #ifndef _KEYS_TRUSTED_TYPE_H
8 #define _KEYS_TRUSTED_TYPE_H
10 #include <linux/key.h>
11 #include <linux/rcupdate.h>
12 #include <linux/tpm.h>
14 #define MIN_KEY_SIZE 32
15 #define MAX_KEY_SIZE 128
16 #define MAX_BLOB_SIZE 512
17 #define MAX_PCRINFO_SIZE 64
18 #define MAX_DIGEST_SIZE 64
20 struct trusted_key_payload {
23 unsigned int blob_len;
24 unsigned char migratable;
25 unsigned char key[MAX_KEY_SIZE + 1];
26 unsigned char blob[MAX_BLOB_SIZE];
29 struct trusted_key_options {
32 unsigned char keyauth[TPM_DIGEST_SIZE];
33 unsigned char blobauth[TPM_DIGEST_SIZE];
35 unsigned char pcrinfo[MAX_PCRINFO_SIZE];
38 uint32_t policydigest_len;
39 unsigned char policydigest[MAX_DIGEST_SIZE];
40 uint32_t policyhandle;
43 extern struct key_type key_type_trusted;
45 #endif /* _KEYS_TRUSTED_TYPE_H */