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