Linux kernel mirror (for testing)
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1/*
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 */
15
16#ifndef __INTEGRITY_EVM_H
17#define __INTEGRITY_EVM_H
18
19#include <linux/xattr.h>
20#include <linux/security.h>
21
22#include "../integrity.h"
23
24extern int evm_initialized;
25extern char *evm_hmac;
26extern char *evm_hash;
27
28extern struct crypto_shash *hmac_tfm;
29extern struct crypto_shash *hash_tfm;
30
31/* List of EVM protected security xattrs */
32extern char *evm_config_xattrnames[];
33
34extern int evm_init_key(void);
35extern int evm_update_evmxattr(struct dentry *dentry,
36 const char *req_xattr_name,
37 const char *req_xattr_value,
38 size_t req_xattr_value_len);
39extern int evm_calc_hmac(struct dentry *dentry, const char *req_xattr_name,
40 const char *req_xattr_value,
41 size_t req_xattr_value_len, char *digest);
42extern int evm_calc_hash(struct dentry *dentry, const char *req_xattr_name,
43 const char *req_xattr_value,
44 size_t req_xattr_value_len, char *digest);
45extern int evm_init_hmac(struct inode *inode, const struct xattr *xattr,
46 char *hmac_val);
47extern int evm_init_secfs(void);
48extern void evm_cleanup_secfs(void);
49
50#endif