blob: d320f51974376219250efa3262a23488eacb76a0 [file] [log] [blame]
Mimi Zohar66dbc322011-03-15 16:12:09 -04001/*
2 * Copyright (C) 2005-2010 IBM Corporation
3 *
4 * Authors:
5 * Mimi Zohar <zohar@us.ibm.com>
6 * Kylene Hall <kjhall@us.ibm.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, version 2 of the License.
11 *
12 * File: evm.h
13 *
14 */
Mimi Zoharcb723182011-03-09 14:40:44 -050015#include <linux/xattr.h>
Mimi Zohar66dbc322011-03-15 16:12:09 -040016#include <linux/security.h>
17#include "../integrity.h"
18
19extern int evm_initialized;
20extern char *evm_hmac;
21
Dmitry Kasatkind46eb362011-03-09 15:07:36 -050022extern struct crypto_shash *hmac_tfm;
23
Mimi Zohar66dbc322011-03-15 16:12:09 -040024/* List of EVM protected security xattrs */
25extern char *evm_config_xattrnames[];
26
27extern int evm_init_key(void);
28extern int evm_update_evmxattr(struct dentry *dentry,
29 const char *req_xattr_name,
30 const char *req_xattr_value,
31 size_t req_xattr_value_len);
32extern int evm_calc_hmac(struct dentry *dentry, const char *req_xattr_name,
33 const char *req_xattr_value,
34 size_t req_xattr_value_len, char *digest);
Mimi Zoharcb723182011-03-09 14:40:44 -050035extern int evm_init_hmac(struct inode *inode, const struct xattr *xattr,
36 char *hmac_val);
Mimi Zohar66dbc322011-03-15 16:12:09 -040037extern int evm_init_secfs(void);
38extern void evm_cleanup_secfs(void);