xref: /onnv-gate/usr/src/lib/libntfs/common/include/ntfs/crypto.h (revision 9663:ace9a2ac3683)
1*9663SMark.Logan@Sun.COM /**
2*9663SMark.Logan@Sun.COM  * crypto.h - Exports for dealing with encrypted files.  Part of the
3*9663SMark.Logan@Sun.COM  *            Linux-NTFS project.
4*9663SMark.Logan@Sun.COM  *
5*9663SMark.Logan@Sun.COM  * Copyright (c) 2007 Yura Pakhuchiy
6*9663SMark.Logan@Sun.COM  *
7*9663SMark.Logan@Sun.COM  * This program is free software; you can redistribute it and/or modify
8*9663SMark.Logan@Sun.COM  * it under the terms of the GNU General Public License as published by
9*9663SMark.Logan@Sun.COM  * the Free Software Foundation; either version 2 of the License, or
10*9663SMark.Logan@Sun.COM  * (at your option) any later version.
11*9663SMark.Logan@Sun.COM  *
12*9663SMark.Logan@Sun.COM  * This program is distributed in the hope that it will be useful,
13*9663SMark.Logan@Sun.COM  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14*9663SMark.Logan@Sun.COM  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*9663SMark.Logan@Sun.COM  * GNU General Public License for more details.
16*9663SMark.Logan@Sun.COM  *
17*9663SMark.Logan@Sun.COM  * You should have received a copy of the GNU General Public License
18*9663SMark.Logan@Sun.COM  * along with this program (in the main directory of the Linux-NTFS
19*9663SMark.Logan@Sun.COM  * distribution in the file COPYING); if not, write to the Free Software
20*9663SMark.Logan@Sun.COM  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21*9663SMark.Logan@Sun.COM  */
22*9663SMark.Logan@Sun.COM 
23*9663SMark.Logan@Sun.COM #ifndef _NTFS_CRYPTO_H
24*9663SMark.Logan@Sun.COM #define _NTFS_CRYPTO_H
25*9663SMark.Logan@Sun.COM 
26*9663SMark.Logan@Sun.COM extern ntfschar NTFS_EFS[5];
27*9663SMark.Logan@Sun.COM 
28*9663SMark.Logan@Sun.COM /*
29*9663SMark.Logan@Sun.COM  * This is our Big Secret (TM) structure, so do not allow anyone even read it
30*9663SMark.Logan@Sun.COM  * values. ;-) In fact, it is private because exist only in libntfs version
31*9663SMark.Logan@Sun.COM  * compiled with cryptography support, so users can not depend on it.
32*9663SMark.Logan@Sun.COM  */
33*9663SMark.Logan@Sun.COM typedef struct _ntfs_crypto_attr ntfs_crypto_attr;
34*9663SMark.Logan@Sun.COM 
35*9663SMark.Logan@Sun.COM /*
36*9663SMark.Logan@Sun.COM  * These functions should not be used directly. They are called for encrypted
37*9663SMark.Logan@Sun.COM  * attributes from corresponding functions without _crypto_ part.
38*9663SMark.Logan@Sun.COM  */
39*9663SMark.Logan@Sun.COM 
40*9663SMark.Logan@Sun.COM extern int ntfs_crypto_attr_open(ntfs_attr *na);
41*9663SMark.Logan@Sun.COM extern void ntfs_crypto_attr_close(ntfs_attr *na);
42*9663SMark.Logan@Sun.COM 
43*9663SMark.Logan@Sun.COM extern s64 ntfs_crypto_attr_pread(ntfs_attr *na, const s64 pos, s64 count,
44*9663SMark.Logan@Sun.COM 		void *b);
45*9663SMark.Logan@Sun.COM 
46*9663SMark.Logan@Sun.COM #endif /* _NTFS_CRYPTO_H */
47