1/*
2 * Copyright (c) 2014 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24//
25//  CommonRandom.h
26//  CommonCrypto
27
28#ifndef CommonCrypto_CommonRandom_h
29#define CommonCrypto_CommonRandom_h
30
31#if defined(__cplusplus)
32extern "C" {
33#endif
34
35typedef CCCryptorStatus CCRNGStatus;
36
37/*!
38 @function      CCRandomGenerateBytes
39
40 @abstract      Return random bytes in a buffer allocated by the caller.
41
42 @discussion    The PRNG returns cryptographically strong random
43                bits suitable for use as cryptographic keys, IVs, nonces etc.
44
45 @param         bytes   Pointer to the return buffer.
46 @param         count   Number of random bytes to return.
47
48 @result        Return kCCSuccess on success.
49 */
50
51CCRNGStatus CCRandomGenerateBytes(void *bytes, size_t count)
52__OSX_AVAILABLE_STARTING(__MAC_10_10, __IPHONE_8_0);
53
54#if defined(__cplusplus)
55}
56#endif
57
58#endif
59