rtxBigNumber.h

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/*
 * Copyright (c) 2014-2022 Objective Systems, Inc.
 *
 * This software is furnished under a license and may be used and copied
 * only in accordance with the terms of such license and with the
 * inclusion of the above copyright notice. This software or any other
 * copies thereof may not be provided or otherwise made available to any
 * other person. No title to and ownership of the software is hereby
 * transferred.
 *
 * The information in this software is subject to change without notice
 * and should not be construed as a commitment by Objective Systems, Inc.
 *
 * PROPRIETARY NOTICE
 *
 * This software is an unpublished work subject to a confidentiality agreement
 * and is protected by copyright and trade secret law.  Unauthorized copying,
 * redistribution or other use of this work is prohibited.
 *
 * The above notice of copyright on this source code product does not indicate
 * any actual or intended publication of such source code.
 *
 *****************************************************************************/
#ifndef _RTXBIGNUMBER_H_
#define _RTXBIGNUMBER_H_

#include "rtxsrc/rtxContext.h"

#ifdef __cplusplus
extern "C" {
#endif

/* BigNumber functions */

int rtxAddBigNum (const OSOCTET* a, OSSIZE szA,
                  const OSOCTET* b, OSSIZE szB,
                  OSOCTET* c, OSSIZE szC);

int rtxSubBigNum (const OSOCTET* a, OSSIZE szA,
                  const OSOCTET* b, OSSIZE szB,
                  OSOCTET* c, OSSIZE szC);

int rtxMulBigNum (const OSOCTET* a, OSSIZE szA,
                  const OSOCTET* b, OSSIZE szB,
                  OSOCTET* c, OSSIZE szC);

int rtxDivRemBigNum (const OSOCTET* a, OSSIZE szA,
                     const OSOCTET* b, OSSIZE szB,
                     OSOCTET* c, OSSIZE szC,
                     OSOCTET* rem, OSSIZE szRem);

int rtxDivBigNum (const OSOCTET* a, OSSIZE szA,
                  const OSOCTET* b, OSSIZE szB,
                  OSOCTET* c, OSSIZE szC);

int rtxModBigNum (const OSOCTET* a, OSSIZE szA,
                  const OSOCTET* b, OSSIZE szB,
                  OSOCTET* rem, OSSIZE szRem);

int rtxBigNumToStr (const OSOCTET* a, OSSIZE szA,
                    char* str, OSSIZE szStr);

int rtxStrToBigNum (const char* str, OSOCTET* a, OSSIZE szA);

#ifdef __cplusplus
}
#endif

#endif /* RTXBIGINT */