mcu/interface/protocol/as_c2k/1xrtt/pswdhdata.h

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*
* This Software is the property of VIA Telecom, Inc. and may only be used pursuant to a license from VIA Telecom, Inc.  
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/*************************************************************************
 *
 * File Name:       pswdhdata.h
 * Project:				  Diffie Hellman
 * Original Author: Dan Doucette
 * Creation Date:   Oct. 5 1999
 *
 * Description:  	Defines data types used in the calculation of the
 *						Diffie Hellman exponent
 *
 * Restrictions:
 *
 * Dependencies:
 *
 *************************************************************************
 *
 * This Software is the property of ISOTEL Corporation.  Unauthorized
 * use is prohibited.
 *
 * ISOTEL Corporation
 * 340, 525-28 Street S.E.
 * Calgary, Alberta, Canada T2A 6W9
 * Tel: (403)275-0041   Fax: (403)274-3598
 * Web: http://www.isotel.com
 *
 *
 *************************************************************************
 *
 * RCS Log Information
 *
 * $Revision: 1.2 $
 *
 * $Log: pswdhdata.h $
 *
 * 07 06 2017 sue.zhong
 * [MOLY00259241] [6293][C2K]Replace with KAL data type
 * Correct copyright file header
 * Revision 1.2  2004/03/25 12:07:47  fpeng
 * Updated from 6.0 CP 2.5.0
 * Revision 1.1  2003/05/12 15:39:21  fpeng
 * Initial revision
 * Revision 1.2  2002/06/06 14:25:29  dstecker
 * Updated copyright notice
 * Revision 1.1  2001/07/23 11:35:29  mclee
 * Initial revision
 * Revision 1.1  2001/01/24 11:24:29  mclee
 * Initial revision
 * Revision 1.1  2001/01/24 00:08:49Z  mclee
 * Initial revision
 * Revision 1.0  1999/12/02 14:27:20  danfeng hong
 *   Initial revision
 *
 *
 ************************************************************************/

#ifndef _DH_DATA_H
#define _DH_DATA_H

#include "pswdhtune.h"

/*
 * 	Definition of the type of block used for the storage of the
 * 	giant integers
 */
typedef kal_uint16 DHBlockType;
typedef kal_uint32 DHCarryBlockType;
typedef kal_int32  DHBorrowBlockType;

/*
 * 	Define the maximum possible value for the DHBlockType
 */
#define DH_MAX_BLOCK_VALUE 0xffff

#define DH_MAX_CARRY_BLOCK_VALUE 0xffffffff

/*
 * 	Number of bits in each block
 */
#define DH_BIT_SIZE (sizeof(DHBlockType)*8)

/*
 *  Number of half bytes in each block
 */
#define DH_HALF_kal_uint8_SIZE (sizeof(DHBlockType)*2)

/*
 * 	Number of bytes in each block
 */
#define DH_kal_uint8_SIZE (sizeof(DHBlockType))

/*
 * 	Number of blocks required to make a giant integer using the above
 * 	block size. Eg. 32 blocks @ 16 bits per block = 512 bit integer
 */
#define DH_MAX_BLOCKS (DH_KEY_BIT_SIZE+DH_BIT_SIZE-1)/DH_BIT_SIZE

/*
 * extra blocks to hold extra 32 bits of giant Integers during calculations.
 */
 /*
#define DH_EXTRA_BLOCKS ((32+DH_BIT_SIZE-1)/DH_BIT_SIZE)
 */
#define DH_EXTRA_BLOCKS 6

/*
 * 	Number of bytes required to make a giant integer using the above
 * 	block size.
 */
#define DH_MAX_kal_uint8S  (DH_KEY_BIT_SIZE+7)/8

/*
 * generic giant integer types (right-adjusted: LS bit is at 0 bit of 0 byte,
 *                                              MS bit is in size-1th block)
 * Each has extra blocks(32 bits) to accommodate larger accumulation and shift values
 */
typedef struct {
	kal_int16       size;
	DHBlockType number[DH_MAX_BLOCKS+DH_EXTRA_BLOCKS];
} DHGiantInt;

/*
 * generic encryption value types (left-adjusted: MS bit is at 7th bit of 0 byte)
 * value -- hold a byte stream of the encryption value;
 * bits -- points out how many bits are actual used in the byte stream
 */
typedef struct{
  kal_int16       bits;
  kal_uint8        value[DH_MAX_kal_uint8S];
}DHEncryptVal;

#endif