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//
// Creator:    http://www.dicelocksecurity.com
// Version:    vers.4.0.0.1
//
// Copyright © 2008-2010 DiceLock Security, LLC. All rights reserved.
//
//                               DISCLAIMER
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES,
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// DICELOCK IS A REGISTERED TRADEMARK OR TRADEMARK OF THE OWNERS.
// 
 
#ifndef BASERANDOMTEST_HPP
 
#define BASERANDOMTEST_HPP
 
#ifdef DICELOCKCIPHER_EXPORTS
   #define CLASS_DECLSPEC    __declspec(dllexport)
#else
   #define CLASS_DECLSPEC    __declspec(dllimport)
#endif
 
#include "baseCryptoRandomStream.h"
#include "mathematicalFunctions.h"
 
using namespace DiceLockSecurity::CryptoRandomStream;
 
 
namespace DiceLockSecurity {
 
  namespace RandomTest {
 
  enum RandomTestErrors {
    NoError,
    MultipleErrors,
    InsufficientMemory,
    PValueOutOfRange,
    InsufficientNumberOfBits,
    EstimationCriteriaNotMet,
    ResultsInaccurate,
    LOrQOutOfRange,
    MathematicianNAN,
    LongRunsCaseError,
    MathematicalFunctionsError
  };
 
  enum RandomTests {
    Frequency,
    BlockFrequency,
    CumulativeSumForward,
    CumulativeSumReverse,
    Runs,
    LongestRunOfOnes,
    Rank,
    Universal,
    ApproximateEntropy,
    Serial,
    DiscreteFourierTransform,
    NumberOfTests,    // Indication of the number of tests, any added test must be inserted before
    NotDefined,
  };
 
  class BaseRandomTest abstract {
 
    protected:
 
      double          alpha;
      double          pValue;
      bool          random;
      RandomTestErrors    error;
      MathematicalFunctions  *mathFuncs;
      bool          autoMathFunc;
 
    public:
 
      // Constructor, default 
      CLASS_DECLSPEC BaseRandomTest();
 
      // Constructor with a MathematicalFunctions object instantiated 
      CLASS_DECLSPEC BaseRandomTest(MathematicalFunctions *);
 
      // Destructor
      CLASS_DECLSPEC virtual ~BaseRandomTest();
 
      // Sets the BaseRandomTest alpha margin
      CLASS_DECLSPEC void SetAlpha(double);
 
      // Gets the BaseRandomTest alpha margin
      CLASS_DECLSPEC double GetAlpha(void);
 
      // Gets the BaseRandomTest pValue
      CLASS_DECLSPEC double GetPValue(void);
 
      // Gets the BaseRandomTest error of the last executed BaseCryptoRandomStream
      CLASS_DECLSPEC RandomTestErrors GetError(void);
 
      // Gets the BaseRandomTest random state of the last executed BaseCryptoRandomStream
      CLASS_DECLSPEC bool IsRandom(void);
 
      // Tests the BaseCryptoRandomStream executed and returns the random value
      CLASS_DECLSPEC virtual bool IsRandom(BaseCryptoRandomStream*) {return false;};
 
      // Initialize the object
      CLASS_DECLSPEC void Initialize(void);
 
      // Gets the type of the object
      CLASS_DECLSPEC virtual RandomTests GetType(void) {return NotDefined;};
 
      // Gets the minimum stream length 
      CLASS_DECLSPEC virtual unsigned int GetMinimumLength(void) {return 0;};
  };
  }
}
 
#endif