1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2010 IBM Corporation 4 * Author: David Safford <safford@us.ibm.com> 5 */ 6 7#ifndef _KEYS_TRUSTED_TYPE_H 8#define _KEYS_TRUSTED_TYPE_H 9 10#include <linux/key.h> 11#include <linux/rcupdate.h> 12#include <linux/tpm.h> 13 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 19 20struct trusted_key_payload { 21 struct rcu_head rcu; 22 unsigned int key_len; 23 unsigned int blob_len; 24 unsigned char migratable; 25 unsigned char key[MAX_KEY_SIZE + 1]; 26 unsigned char blob[MAX_BLOB_SIZE]; 27}; 28 29struct trusted_key_options { 30 uint16_t keytype; 31 uint32_t keyhandle; 32 unsigned char keyauth[TPM_DIGEST_SIZE]; 33 unsigned char blobauth[TPM_DIGEST_SIZE]; 34 uint32_t pcrinfo_len; 35 unsigned char pcrinfo[MAX_PCRINFO_SIZE]; 36 int pcrlock; 37 uint32_t hash; 38 uint32_t policydigest_len; 39 unsigned char policydigest[MAX_DIGEST_SIZE]; 40 uint32_t policyhandle; 41}; 42 43extern struct key_type key_type_trusted; 44 45#endif /* _KEYS_TRUSTED_TYPE_H */ 46