include/keys/encrypted-type.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2010 IBM Corporation
   4  * Copyright (C) 2010 Politecnico di Torino, Italy
   5  *                    TORSEC group -- http://security.polito.it
   6  *
   7  * Authors:
   8  * Mimi Zohar <zohar@us.ibm.com>
   9  * Roberto Sassu <roberto.sassu@polito.it>
  10  */
  11
  12 #ifndef _KEYS_ENCRYPTED_TYPE_H
  13 #define _KEYS_ENCRYPTED_TYPE_H
  14
  15 #include <linux/key.h>
  16 #include <linux/rcupdate.h>
  17
  18 struct encrypted_key_payload {
  19         struct rcu_head rcu;
  20         char *format;           /* datablob: format */
  21         char *master_desc;      /* datablob: master key name */
  22         char *datalen;          /* datablob: decrypted key length */
  23         u8 *iv;                 /* datablob: iv */
  24         u8 *encrypted_data;     /* datablob: encrypted data */
  25         unsigned short datablob_len;    /* length of datablob */
  26         unsigned short decrypted_datalen;       /* decrypted data length */
  27         unsigned short payload_datalen;         /* payload data length */
  28         unsigned short encrypted_key_format;    /* encrypted key format */
  29         u8 *decrypted_data;     /* decrypted data */
  30         u8 payload_data[0];     /* payload data + datablob + hmac */
  31 };
  32
  33 extern struct key_type key_type_encrypted;
  34
  35 #endif /* _KEYS_ENCRYPTED_TYPE_H */