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
  22 struct 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
  31 struct 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
  41 extern struct key_type key_type_trusted;
  42
  43 #endif /* _KEYS_TRUSTED_TYPE_H */