rtxBigNumber.h

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00001 /*
00002  * Copyright (c) 2014-2017 Objective Systems, Inc.
00003  *
00004  * This software is furnished under a license and may be used and copied
00005  * only in accordance with the terms of such license and with the
00006  * inclusion of the above copyright notice. This software or any other
00007  * copies thereof may not be provided or otherwise made available to any
00008  * other person. No title to and ownership of the software is hereby
00009  * transferred.
00010  *
00011  * The information in this software is subject to change without notice
00012  * and should not be construed as a commitment by Objective Systems, Inc.
00013  *
00014  * PROPRIETARY NOTICE
00015  *
00016  * This software is an unpublished work subject to a confidentiality agreement
00017  * and is protected by copyright and trade secret law.  Unauthorized copying,
00018  * redistribution or other use of this work is prohibited.
00019  *
00020  * The above notice of copyright on this source code product does not indicate
00021  * any actual or intended publication of such source code.
00022  *
00023  *****************************************************************************/
00028 #ifndef _RTXBIGNUMBER_H_
00029 #define _RTXBIGNUMBER_H_
00030 
00031 #include "rtxsrc/rtxContext.h"
00032 
00033 #ifdef __cplusplus
00034 extern "C" {
00035 #endif
00036 
00037 /* BigNumber functions */
00038 
00051 int rtxAddBigNum (const OSOCTET* a, OSSIZE szA,
00052                   const OSOCTET* b, OSSIZE szB,
00053                   OSOCTET* c, OSSIZE szC);
00054 
00067 int rtxSubBigNum (const OSOCTET* a, OSSIZE szA,
00068                   const OSOCTET* b, OSSIZE szB,
00069                   OSOCTET* c, OSSIZE szC);
00070 
00083 int rtxMulBigNum (const OSOCTET* a, OSSIZE szA,
00084                   const OSOCTET* b, OSSIZE szB,
00085                   OSOCTET* c, OSSIZE szC);
00086 
00101 int rtxDivRemBigNum (const OSOCTET* a, OSSIZE szA,
00102                      const OSOCTET* b, OSSIZE szB,
00103                      OSOCTET* c, OSSIZE szC,
00104                      OSOCTET* rem, OSSIZE szRem);
00105 
00118 int rtxDivBigNum (const OSOCTET* a, OSSIZE szA,
00119                   const OSOCTET* b, OSSIZE szB,
00120                   OSOCTET* c, OSSIZE szC);
00121 
00134 int rtxModBigNum (const OSOCTET* a, OSSIZE szA,
00135                   const OSOCTET* b, OSSIZE szB,
00136                   OSOCTET* rem, OSSIZE szRem);
00137 
00148 int rtxBigNumToStr (const OSOCTET* a, OSSIZE szA,
00149                     char* str, OSSIZE szStr);
00150 
00160 int rtxStrToBigNum (const char* str, OSOCTET* a, OSSIZE szA);
00161 
00162 #ifdef __cplusplus
00163 }
00164 #endif
00165 
00166 #endif /* RTXBIGINT */