62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*
|
|
* GF-Complete: A Comprehensive Open Source Library for Galois Field Arithmetic
|
|
* James S. Plank, Ethan L. Miller, Kevin M. Greenan,
|
|
* Benjamin A. Arnold, John A. Burnum, Adam W. Disney, Allen C. McBride.
|
|
*
|
|
* gf_general.h
|
|
*
|
|
* This file has helper routines for doing basic GF operations with any
|
|
* legal value of w. The problem is that w <= 32, w=64 and w=128 all have
|
|
* different data types, which is a pain. The procedures in this file try
|
|
* to alleviate that pain. They are used in gf_unit and gf_time.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdio.h>
|
|
#include <getopt.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
|
|
#include "gf_complete.h"
|
|
|
|
typedef union {
|
|
uint32_t w32;
|
|
uint64_t w64;
|
|
uint64_t w128[2];
|
|
} gf_general_t;
|
|
|
|
void gf_general_set_zero(gf_general_t *v, int w);
|
|
void gf_general_set_one(gf_general_t *v, int w);
|
|
void gf_general_set_two(gf_general_t *v, int w);
|
|
|
|
int gf_general_is_zero(gf_general_t *v, int w);
|
|
int gf_general_is_one(gf_general_t *v, int w);
|
|
int gf_general_are_equal(gf_general_t *v1, gf_general_t *v2, int w);
|
|
|
|
void gf_general_val_to_s(gf_general_t *v, int w, char *s, int hex);
|
|
int gf_general_s_to_val(gf_general_t *v, int w, char *s, int hex);
|
|
|
|
void gf_general_set_random(gf_general_t *v, int w, int zero_ok);
|
|
|
|
void gf_general_add(gf_t *gf, gf_general_t *a, gf_general_t *b, gf_general_t *c);
|
|
void gf_general_multiply(gf_t *gf, gf_general_t *a, gf_general_t *b, gf_general_t *c);
|
|
void gf_general_divide(gf_t *gf, gf_general_t *a, gf_general_t *b, gf_general_t *c);
|
|
void gf_general_inverse(gf_t *gf, gf_general_t *a, gf_general_t *b);
|
|
|
|
void gf_general_do_region_multiply(gf_t *gf, gf_general_t *a,
|
|
void *ra, void *rb,
|
|
int bytes, int xor);
|
|
|
|
void gf_general_do_region_check(gf_t *gf, gf_general_t *a,
|
|
void *orig_a, void *orig_target, void *final_target,
|
|
int bytes, int xor);
|
|
|
|
|
|
/* Which is M, D or I for multiply, divide or inverse. */
|
|
|
|
void gf_general_set_up_single_timing_test(int w, void *ra, void *rb, int size);
|
|
int gf_general_do_single_timing_test(gf_t *gf, void *ra, void *rb, int size, char which);
|