hw/intc/armv7m_nvic: Provide default "reset the system" behaviour for SYSRESETREQ
[qemu.git] / include / crypto / random.h
1 /*
2 * QEMU Crypto random number provider
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 2.1 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_RANDOM_H
22 #define QCRYPTO_RANDOM_H
23
24
25 /**
26 * qcrypto_random_bytes:
27 * @buf: the buffer to fill
28 * @buflen: length of @buf in bytes
29 * @errp: pointer to a NULL-initialized error object
30 *
31 * Fill @buf with @buflen bytes of cryptographically strong
32 * random data
33 *
34 * Returns 0 on success, -1 on error
35 */
36 int qcrypto_random_bytes(void *buf,
37 size_t buflen,
38 Error **errp);
39
40 /**
41 * qcrypto_random_init:
42 * @errp: pointer to a NULL-initialized error object
43 *
44 * Initializes the handles used by qcrypto_random_bytes
45 *
46 * Returns 0 on success, -1 on error
47 */
48 int qcrypto_random_init(Error **errp);
49
50 #endif /* QCRYPTO_RANDOM_H */