1. 根目录:
2. include
3. keys
4. encrypted-type.h

/*
 * Copyright (C) 2010 IBM Corporation
 * Author: Mimi Zohar <zohar@us.ibm.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2 of the License.
 */

#ifndef _KEYS_ENCRYPTED_TYPE_H
#define _KEYS_ENCRYPTED_TYPE_H

#include <linux/key.h>
#include <linux/rcupdate.h>

struct encrypted_key_payload {
	struct rcu_head rcu;
	char *master_desc;	/* datablob: master key name */
	char *datalen;		/* datablob: decrypted key length */
	u8 *iv;			/* datablob: iv */
	u8 *encrypted_data;	/* datablob: encrypted data */
	unsigned short datablob_len;	/* length of datablob */
	unsigned short decrypted_datalen;	/* decrypted data length */
	u8 decrypted_data[0];	/* decrypted data +  datablob + hmac */
};

extern struct key_type key_type_encrypted;

#endif /* _KEYS_ENCRYPTED_TYPE_H */