xref: /qemu/crypto/ivgenpriv.h (revision 6402cbbb)
1 /*
2  * QEMU Crypto block IV generator
3  *
4  * Copyright (c) 2015-2016 Red Hat, Inc.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  *
19  */
20 
21 #ifndef QCRYPTO_IVGENPRIV_H
22 #define QCRYPTO_IVGENPRIV_H
23 
24 #include "crypto/ivgen.h"
25 
26 typedef struct QCryptoIVGenDriver QCryptoIVGenDriver;
27 
28 struct QCryptoIVGenDriver {
29     int (*init)(QCryptoIVGen *ivgen,
30                 const uint8_t *key, size_t nkey,
31                 Error **errp);
32     int (*calculate)(QCryptoIVGen *ivgen,
33                      uint64_t sector,
34                      uint8_t *iv, size_t niv,
35                      Error **errp);
36     void (*cleanup)(QCryptoIVGen *ivgen);
37 };
38 
39 struct QCryptoIVGen {
40     QCryptoIVGenDriver *driver;
41     void *private;
42 
43     QCryptoIVGenAlgorithm algorithm;
44     QCryptoCipherAlgorithm cipher;
45     QCryptoHashAlgorithm hash;
46 };
47 
48 
49 #endif /* QCRYPTO_IVGENPRIV_H */
50