summaryrefslogtreecommitdiffstats
path: root/security/integrity/evm/evm.h
blob: d320f51974376219250efa3262a23488eacb76a0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/*
 * Copyright (C) 2005-2010 IBM Corporation
 *
 * Authors:
 * Mimi Zohar <zohar@us.ibm.com>
 * Kylene Hall <kjhall@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.
 *
 * File: evm.h
 *
 */
#include <linux/xattr.h>
#include <linux/security.h>
#include "../integrity.h"

extern int evm_initialized;
extern char *evm_hmac;

extern struct crypto_shash *hmac_tfm;

/* List of EVM protected security xattrs */
extern char *evm_config_xattrnames[];

extern int evm_init_key(void);
extern int evm_update_evmxattr(struct dentry *dentry,
			       const char *req_xattr_name,
			       const char *req_xattr_value,
			       size_t req_xattr_value_len);
extern int evm_calc_hmac(struct dentry *dentry, const char *req_xattr_name,
			 const char *req_xattr_value,
			 size_t req_xattr_value_len, char *digest);
extern int evm_init_hmac(struct inode *inode, const struct xattr *xattr,
			 char *hmac_val);
extern int evm_init_secfs(void);
extern void evm_cleanup_secfs(void);