include/keys/encrypted-type.h

   1 /*
   2  * Copyright (C) 2010 IBM Corporation
   3  * Copyright (C) 2010 Politecnico di Torino, Italy
   4  *                    TORSEC group -- http://security.polito.it
   5  *
   6  * Authors:
   7  * Mimi Zohar <zohar@us.ibm.com>
   8  * Roberto Sassu <roberto.sassu@polito.it>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, version 2 of the License.
  13  */
  14
  15 #ifndef _KEYS_ENCRYPTED_TYPE_H
  16 #define _KEYS_ENCRYPTED_TYPE_H
  17
  18 #include <linux/key.h>
  19 #include <linux/rcupdate.h>
  20
  21 struct encrypted_key_payload {
  22         struct rcu_head rcu;
  23         char *format;           /* datablob: format */
  24         char *master_desc;      /* datablob: master key name */
  25         char *datalen;          /* datablob: decrypted key length */
  26         u8 *iv;                 /* datablob: iv */
  27         u8 *encrypted_data;     /* datablob: encrypted data */
  28         unsigned short datablob_len;    /* length of datablob */
  29         unsigned short decrypted_datalen;       /* decrypted data length */
  30         unsigned short payload_datalen;         /* payload data length */
  31         unsigned short encrypted_key_format;    /* encrypted key format */
  32         u8 *decrypted_data;     /* decrypted data */
  33         u8 payload_data[0];     /* payload data + datablob + hmac */
  34 };
  35
  36 extern struct key_type key_type_encrypted;
  37
  38 #endif /* _KEYS_ENCRYPTED_TYPE_H */