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BigNumber.h

/*
 * Copyright 2003 Michael A. Marsh, Cornell University. All rights reserved.
 * This software is released under the modified BSD license.
 * See the file LICENSE in the top-level directory for details.
 */
//
// $Id: BigNumber.h,v 1.3 2004/05/19 15:56:37 mmarsh Exp $
//
// $Log: BigNumber.h,v $
// Revision 1.3  2004/05/19 15:56:37  mmarsh
// Added copyright and license statements.
//
// Revision 1.2  2003/11/04 22:31:46  mmarsh
// *** empty log message ***
//
//

#ifndef __CODEX_ASN1_BIGNUMBER_H__
#define __CODEX_ASN1_BIGNUMBER_H__

#include "Base.h"

namespace CODEX_ASN1
{
   class BigNumber : public Base
   {
      public :
         BigNumber();
         BigNumber( BIGNUM * pBN );
         BigNumber( const ASN1_INTEGER* asn1 );
         BigNumber( const BigNumber& aBN );
         virtual ~BigNumber();

         void operator=( const BigNumber& aBN );

         void operator=( BIGNUM * pBN );

         bool operator==( const BigNumber& aBN ) const;

         bool operator!=( const BigNumber& aBN ) const;

         bool operator<( const BigNumber& aBN ) const;

         bool operator>( const BigNumber& aBN ) const;

         const BIGNUM * value() const { return m_value; }
         const ASN1_INTEGER * asn1() const;

         int marshal( unsigned char ** pp ) const;
         void* unmarshal( void* bogus, unsigned char** pp, long length );

      protected :
         BIGNUM       *  m_value; 
         mutable ASN1_INTEGER *  m_asn1; 
   };

}

#endif /* __CODEX_ASN1_BIGNUMBER_H__ */

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