include/keys/trusted-type.h

   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 #define MAX_DIGEST_SIZE                 64
  22
  23 struct trusted_key_payload {
  24         struct rcu_head rcu;
  25         unsigned int key_len;
  26         unsigned int blob_len;
  27         unsigned char migratable;
  28         unsigned char key[MAX_KEY_SIZE + 1];
  29         unsigned char blob[MAX_BLOB_SIZE];
  30 };
  31
  32 struct trusted_key_options {
  33         uint16_t keytype;
  34         uint32_t keyhandle;
  35         unsigned char keyauth[TPM_DIGEST_SIZE];
  36         unsigned char blobauth[TPM_DIGEST_SIZE];
  37         uint32_t pcrinfo_len;
  38         unsigned char pcrinfo[MAX_PCRINFO_SIZE];
  39         int pcrlock;
  40         uint32_t hash;
  41         uint32_t policydigest_len;
  42         unsigned char policydigest[MAX_DIGEST_SIZE];
  43         uint32_t policyhandle;
  44 };
  45
  46 extern struct key_type key_type_trusted;
  47
  48 #endif /* _KEYS_TRUSTED_TYPE_H */