Security/libsecurity_cryptkit/lib/NSRandomNumberGenerator.h

   1 /* Copyright (c) 1998,2011,2014 Apple Inc.  All Rights Reserved.
   2  *
   3  * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
   4  * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
   5  * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE, INC. AND THE
   6  * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE,
   7  * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
   8  * EXPOSE YOU TO LIABILITY.
   9  ***************************************************************************
  10  *
  11  * NSRandomNumberGenerator.h
  12  *
  13  * Revision History
  14  * ----------------
  15  * 28 Mar 97 at Apple
  16  *      Simplified.
  17  * ??     96    Blaine Garst at NeXT
  18  *      Created.
  19  */
  20
  21 #import <Foundation/NSData.h>
  22
  23 @interface NSRandomNumberGenerator : NSObject
  24 {
  25         void *_priv;
  26 }
  27
  28 - initWithSeed:(unsigned)seed;          // designated initializer
  29 - init;                                 // we'll come up with the best seed
  30                                         //    we can
  31
  32 - (unsigned)nextNumber;
  33 - (unsigned)nextNumberInRange:(NSRange)range;
  34 - (NSData *)randomDataWithLength:(unsigned)l;
  35
  36 @end