mathctx.h File Reference

#include "gf2xtypes.h"

Go to the source code of this file.

Data Structures
struct	_BPU_T_Math_Ctx

Macros
#define	BPU_GF2_POLY_DEG_5   0x3b
#define	BPU_GF2_POLY_DEG_6   0x43
#define	BPU_GF2_POLY_DEG_10   0x71d
#define	BPU_GF2_POLY_DEG_11   0x805

Typedefs
typedef struct _BPU_T_Math_Ctx	BPU_T_Math_Ctx

Functions
int	BPU_mathInitCtx (BPU_T_Math_Ctx **ctx, const BPU_T_GF2_16x g, const BPU_T_GF2_16x mod)
	Precalculate logaritmic and exponencial tables and initialize structure Aritmetic_Data. More...
void	BPU_mathFreeCtx (BPU_T_Math_Ctx **ctx)
	Free dynamiccaly or statically allocated Aritmetic_Data structure. More...

Macro Definition Documentation

#define BPU_GF2_POLY_DEG_10   0x71d

Definition at line 26 of file mathctx.h.

#define BPU_GF2_POLY_DEG_11   0x805

Definition at line 27 of file mathctx.h.

#define BPU_GF2_POLY_DEG_5   0x3b

Definition at line 24 of file mathctx.h.

#define BPU_GF2_POLY_DEG_6   0x43

Definition at line 25 of file mathctx.h.

Typedef Documentation

typedef struct _BPU_T_Math_Ctx BPU_T_Math_Ctx

Representation of aritmetics data.

Function Documentation

void BPU_mathFreeCtx

(

BPU_T_Math_Ctx **

ctx

)

Free dynamiccaly or statically allocated Aritmetic_Data structure.

Free dynamiccaly or statically allocated Aritmetic_Data structure.

Parameters

a	aaddress of Aritmetic_Data structure
is_dyn	0 - staticaly allocated Aritmetic_Data object or 1 when dynamically

Definition at line 67 of file mathctx.c.

int BPU_mathInitCtx	(	BPU_T_Math_Ctx **	ctx,
		const BPU_T_GF2_16x	g,
		const BPU_T_GF2_16x	mod
	)

Precalculate logaritmic and exponencial tables and initialize structure Aritmetic_Data.

Precalculate logaritmic and exponencial tables and initialize structure Aritmetic_Data

Parameters

g	is a group generator
mod	modulus, ireducible polynomial

Returns

number of elements or < 0 means error

Definition at line 24 of file mathctx.c.