Security/libsecurity_cdsa_utilities/lib/uniformrandom.h

   1 /*
   2  * Copyright (c) 2000-2001,2003-2004,2006,2011,2014 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,
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  18  * Please see the License for the specific language governing rights and
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  20  *
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  22  */
  23
  24
  25 //
  26 // uniformrandom - uniformly distributed random number operators
  27 //
  28 #ifndef _H_UNIFORMRANDOM
  29 #define _H_UNIFORMRANDOM
  30
  31 #include <security_cdsa_utilities/cssmdata.h>
  32
  33
  34 namespace Security {
  35
  36
  37 //
  38 // Uniform binary blob generator.
  39 // This operator deals exclusively in byte arrays.
  40 //
  41 template <class Generator>
  42 class UniformRandomBlobs : public Generator {
  43 public:
  44     using Generator::random;
  45
  46     template <class Object>
  47     void random(Object &obj)    { random(&obj, sizeof(obj)); }
  48
  49     void random(CssmData &data) { random(data.data(), data.length()); }
  50 };
  51
  52
  53 };      // end namespace Security
  54
  55
  56 #endif //_H_UNIFORMRANDOM