OSX/libsecurity_keychain/lib/SecRandomP.h

   1 /*
   2  * Copyright (c) 2007-2009,2011 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         @header SecRandomP
  26     Provides an additional CFDataRef returning random function
  27  */
  28
  29 #ifndef _SECURITY_SECRANDOMP_H_
  30 #define _SECURITY_SECRANDOMP_H_
  31
  32 #include <Security/SecBase.h>
  33 #include <stdint.h>
  34 #include <sys/types.h>
  35 #if SEC_BUILDER
  36 #include "SecRandom.h"
  37 #else
  38 #include <Security/SecRandom.h>
  39 #endif
  40 #if defined(__cplusplus)
  41 extern "C" {
  42 #endif
  43
  44 /*!
  45  @function SecRandomCopyData
  46  @abstract Return count random bytes as a CFDataRef.
  47  @result Returns CFDataRef on success or NULL if something went wrong.
  48  */
  49
  50 CFDataRef
  51 SecRandomCopyData(SecRandomRef rnd, size_t count)
  52 __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
  53
  54 #if defined(__cplusplus)
  55 }
  56 #endif
  57
  58 #endif /* !_SECURITY_SECRANDOM_H_ */