spapr_drc: abort if object_property_add_child() fails
[qemu/kevin.git] / include / crypto / random.h
bloba07229ce965f39db5c8dad9b9560b806da012cbb
1 /*
2 * QEMU Crypto random number provider
4 * Copyright (c) 2015-2016 Red Hat, Inc.
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.
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.
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/>.
21 #ifndef QCRYPTO_RANDOM_H
22 #define QCRYPTO_RANDOM_H
24 #include "qemu-common.h"
25 #include "qapi/error.h"
28 /**
29 * qcrypto_random_bytes:
30 * @buf: the buffer to fill
31 * @buflen: length of @buf in bytes
32 * @errp: pointer to a NULL-initialized error object
34 * Fill @buf with @buflen bytes of cryptographically strong
35 * random data
37 * Returns 0 on success, -1 on error
39 int qcrypto_random_bytes(uint8_t *buf,
40 size_t buflen,
41 Error **errp);
43 /**
44 * qcrypto_random_init:
45 * @errp: pointer to a NULL-initialized error object
47 * Initializes the handles used by qcrypto_random_bytes
49 * Returns 0 on success, -1 on error
51 int qcrypto_random_init(Error **errp);
53 #endif /* QCRYPTO_RANDOM_H */