// // RandomNumberService.h // CommonCrypto // // Created by Jim Murphy on 1/12/10. // Copyright 2010 Apple. All rights reserved. // #import <Cocoa/Cocoa.h> /* -------------------------------------------------------------------------- Class: CCRandomNumberService Description: This class provides random number services for testing Note: This should be in another shared file so that other unit test code could use this service. For now it can remain here for illustration -------------------------------------------------------------------------- */ @interface CCRandomNumberService : NSObject { NSFileHandle* _devRandomFileHandle; // file handle for reading from /dev/random } // Get the "default" Random number service + (CCRandomNumberService *)defaultRandomNumberService; // Release the default Random number service. NOTE: This is really // an unsafe method. This should ONLY be called once. + (void)relaseDefaultRandomNumberService; // generate a random integer within a set range - (unsigned int)generateRandomNumberInRange:(unsigned int)min toMax:(unsigned int)max; // generate a random set of bytes of an arbitrary length - (NSData *)generateRandomDataOfSize:(size_t)length; @end