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baseCryptoRandomStream.h (Crypto Random Stream base class C++ header source code file) Print E-mail
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//
//  baseCryptoRandomStream.h
//  XDiceLock
//
//  Created by DiceLock on 1/1/12.
//  Copyright (c) 2008-2012 DiceLock Security, LLC. All rights reserved.
//
 
//
// Creator:    http://www.dicelocksecurity.com
// Version:    vers.8.0.0.1
//
// Copyright (c) 2008-2012 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 XDiceLock_baseCryptoRandomStream_h
#define XDiceLock_baseCryptoRandomStream_h
 
#include "cryptoRandomStreams.h"
 
#define BYTEBITS     8 
#define SHORTBITS    16 
#define INTBITS         32 
#define LONG64BITS    64 
 
#define INTBYTES     4 
 
 
namespace DiceLockSecurity {
    
    namespace CryptoRandomStream {
        
        struct byteBits {
            unsigned char bit0:1;
            unsigned char bit1:1;
            unsigned char bit2:1;
            unsigned char bit3:1;
            unsigned char bit4:1;
            unsigned char bit5:1;
            unsigned char bit6:1;
            unsigned char bit7:1;
        };
        
        class BaseCryptoRandomStream {
            
    protected:
            
      unsigned int        bitLength;
      unsigned int        reducedBitLength;
      unsigned int        position;
      unsigned char *   cryptoStream;
            
    public:
            
      // Constructor, deafult 
      BaseCryptoRandomStream();
            
      // Constructor, sets an empty stream with the indicated length in unsigned ints
      BaseCryptoRandomStream(unsigned int) {};
            
      // Constructor, sets the pointed stream of the indicated length 
      BaseCryptoRandomStream(void*, unsigned int) {};
            
      // Destructor
      ~BaseCryptoRandomStream();
            
      // Sets the BaseCryptoRandomStream position, minimum value 0
      void SetBitPosition(unsigned int);
            
      // Gets the current bit position
      unsigned int GetBitPosition(void);
            
      // Gets the stream length in bits
      unsigned int GetBitLength(void);
            
      // Gets the stream length in unsigned char type
      unsigned int GetUCLength(void);
            
      // Gets the stream length in unsigned short type
      unsigned int GetUSLength(void);
            
      // Gets the stream length in unsigned int
      unsigned int GetULLength(void);
            
      // Gets the stream length in unsigned 64 bits
      unsigned int Get64Length(void);
            
      // Sets an empty stream with the indicated length in bits
      virtual void SetCryptoRandomStreamBit(unsigned int) {};
            
      // Set the pointed stream of indicated length in bits
      virtual void SetCryptoRandomStreamBit(void*, unsigned int) {};
            
      // Sets an empty stream with the indicated length in unsigned chars
      virtual void SetCryptoRandomStreamUC(unsigned int) {};
            
      // Set the pointed stream of indicated length in unsigned chars
      virtual void SetCryptoRandomStreamUC(void*, unsigned int) {};
            
      // Sets an empty stream with the indicated length in unsigned shorts
      virtual void SetCryptoRandomStreamUS(unsigned int) {};
            
      // Set the pointed stream of indicated length in unsigned shorts
      virtual void SetCryptoRandomStreamUS(void*, unsigned int) {};
            
      // Sets an empty stream with the indicated length in unsigned int
      virtual void SetCryptoRandomStreamUL(unsigned int) {};
            
      // Set the pointed stream of indicated length in unsigned int
      virtual void SetCryptoRandomStreamUL(void*, unsigned int) {};
            
      // Set the pointed stream as hexadecimal string
      virtual void SetCryptoRandomStreamHexString(const char*) {};
            
      // Gets the pointer to the memory stream 
      void* GetCryptoRandomStreamMemory(void);
            
      // Sets the BaseCryptoRandomStream bit at current position and moves pointer to the following bit
      void SetBitForward(unsigned char);
            
      // Sets the BaseCryptoRandomStream bit at current position and moves pointer to the previous bit
      void SetBitReverse(unsigned char);
            
      // Gets the BaseCryptoRandomStream bit at current position and moves pointer to the following bit
      unsigned char GetBitForward(void);
            
      // Gets the BaseCryptoRandomStream bit at current position and moves pointer to the previous bit
      unsigned char GetBitReverse(void);
            
      // Sets the stream to an specified bit value (0 or 1)
      void FillBit(unsigned char);
      
      // Sets the stream to an specified bit unsigned char value
      void FillUC(unsigned char);
      
      // Sets the stream to an specified bit unsigned short value
      void FillUS(unsigned short int);
      
      // Sets the stream to an specified bit unsigned int value
      void FillUL(unsigned int);
            
      // Sets the bit unsigned char (value 0 or 1) at specified postion, position based in array of bits
      void SetBitPosition(unsigned int, unsigned char);
            
      // Sets the unsigned char at specified postion, position based in array of unsigned char
      void SetUCPosition(unsigned int, unsigned char);
            
      // Sets the unsigned short at specified postion, position based in array of unsigned short
      void SetUSPosition(unsigned int, unsigned short int);
      
      // Sets the unsigned int at specified postion, position based in array of unsigned int
      void SetULPosition(unsigned int, unsigned int);
      
      // Sets the unsigned 64 bit at specified postion, position based in array of unsigned 64 bit
      void Set64Position(unsigned int, unsigned long int);
      
      // Gets the bit unsigned char (vakue  0 or 1) at specified postion, position based in array of bits
      unsigned char GetBitPosition(unsigned int);
            
      // Gets the unsigned char at specified postion, position based in array of unsigned char
      unsigned char GetUCPosition(unsigned int);
            
      // Gets the unsigned short at specified postion, position based in array of unsigned short
      unsigned short int GetUSPosition(unsigned int);
      
      // Gets the unsigned int at specified postion, position based in array of unsigned int
      unsigned int GetULPosition(unsigned int);
      
      // Gets the unsigned 64 bit at specified postion, position based in array of unsigned 64 bit
      unsigned long int Get64Position(unsigned int);
      
      // Gets the unsigned char address at specified postion, position based in array of unsigned char
      unsigned char* GetUCAddressPosition(unsigned int);
            
      // Gets the unsigned short int address at specified postion, position based in array of unsigned short
      unsigned short int* GetUSAddressPosition(unsigned int);
            
      // Gets the unsigned int address at specified postion, position based in array of unsigned int
      unsigned int* GetULAddressPosition(unsigned int);
            
      // Gets the unsigned long int address at specified postion, position based in array of unsigned 64 bit
      unsigned long int* Get64AddressPosition(unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified position with
      // from baseCryptoRandomStream object, position and length based in bits (starting point must be
      // unsigned char aligned)
      void GetBitSubRandomStream(BaseCryptoRandomStream*, unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified postion with 
      // from baseCryptoRandomStream object, position and length based in array of unsigned char
      void GetUCSubRandomStream(BaseCryptoRandomStream*, unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified postion
      // from baseCryptoRandomStream object, position and length based in array of unsigned short int
      void GetUSSubRandomStream(BaseCryptoRandomStream*, unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified postion
      // from baseCryptoRandomStream object, position and length based in array of unsigned int
      void GetULSubRandomStream(BaseCryptoRandomStream*, unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified position with a specified length
      // from baseCryptoRandomStream object, position and length based in bits (starting point must be
      // unsigned char aligned)
      void GetBitSubRandomStream(BaseCryptoRandomStream*, unsigned int, unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified postion with a specified length 
      // from baseCryptoRandomStream object, position and length based in array of unsigned char
      void GetUCSubRandomStream(BaseCryptoRandomStream*, unsigned int, unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified postion with a specified length 
      // from baseCryptoRandomStream object, position and length based in array of unsigned short int
      void GetUSSubRandomStream(BaseCryptoRandomStream*, unsigned int, unsigned int);
            
      // Gets the baseCryptoRandomStream portion at specified postion with a specified length 
      // from baseCryptoRandomStream object, position and length based in array of unsigned int
      void GetULSubRandomStream(BaseCryptoRandomStream*, unsigned int, unsigned int);
            
      // Reduces considered length of BaseCryptoRandomStream, real length is mantained, 
      // but any access to BaseCryptoRandomStream through the interface will be limited to 
      // the new considered length. BaseCryptoRandomStream will remain with its original 
      // length and using the specified memory.
      // Reduces length in bits.
      void ReduceBitLength(unsigned int);
            
      // Reduces considered length of BaseCryptoRandomStream, real length is mantained, 
      // but any access to BaseCryptoRandomStream through the interface will be limited to 
      // the new considered length. BaseCryptoRandomStream will remain with its original 
      // length and using the specified memory.
      // Reduces length in unsigned chars.
      void ReduceUCLength(unsigned int);
            
      // Reduces considered length of BaseCryptoRandomStream, real length is mantained, 
      // but any access to BaseCryptoRandomStream through the interface will be limited to 
      // the new considered length. BaseCryptoRandomStream will remain with its original 
      // length and using the specified memory.
      // Reduces length in unsigned short ints.
      void ReduceUSLength(unsigned int);
            
      // Reduces considered length of BaseCryptoRandomStream, real length is mantained, 
      // but any access to BaseCryptoRandomStream through the interface will be limited to 
      // the new considered length. BaseCryptoRandomStream will remain with its original 
      // length and using the specified memory.
      // Reduces length in unsigned ints.
      void ReduceULLength(unsigned int);
            
      // Indicates if BaseCryptoRandomStream's length has been reduced in a 
      // fictitious way
      bool ReducedLength(void);
            
      // Gets amount of reduced length from original stream in bits.
      unsigned int GetReducedBitLength(void);
            
      // Gets amount of reduced length from original stream in unsigned chars.
      unsigned int GetReducedUCLength(void);
            
      // Gets amount of reduced length from original stream in unsigned short ints.
      unsigned int GetReducedUSLength(void);
            
      // Gets amount of reduced length from original stream in unsigned ints.
      unsigned int GetReducedULLength(void);
            
      // Restores original length of BaseCryptoRandomStream and removes any 
      // fictitious reduced length 
      void RestoreLength(void);
            
      // Operator equal, compares the BaseCryptoRandomStream object with the 
      // BaseCryptoRandomStream parameter
      bool Equals(BaseCryptoRandomStream*);
            
      // Operator copy, copies the content of BaseCryptoRandomStream object
      // to the BaseCryptoRandomStream object passed as parameter
      void CopyTo(BaseCryptoRandomStream*);
            
      // Operator xor, xores the content of BaseCryptoRandomStream object with
      // BaseCryptoRandomStream stream
      void Xor(BaseCryptoRandomStream*);
            
      // Operator xor, xores the content of BaseCryptoRandomStream object with
      // stream of unsigned ints
      void Xor(unsigned int*, unsigned int);
            
      // Gets the CryptoRandomStream type of the object
      virtual CryptoRandomStreams GetCryptoRandomStreamType(void) {return NotDefined;};
            
        };
        
    }
}
 
#endif