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/*
* 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_w64.h
*
* Defines and data structures for 64-bit Galois fields
*/
#ifndef GF_COMPLETE_GF_W64_H
#define GF_COMPLETE_GF_W64_H
#include <stdint.h>
#define GF_FIELD_WIDTH (64)
#define GF_FIRST_BIT (1ULL << 63)
#define GF_BASE_FIELD_WIDTH (32)
#define GF_BASE_FIELD_SIZE (1ULL << GF_BASE_FIELD_WIDTH)
#define GF_BASE_FIELD_GROUP_SIZE GF_BASE_FIELD_SIZE-1
struct gf_w64_group_data {
uint64_t *reduce;
uint64_t *shift;
uint64_t *memory;
};
struct gf_split_4_64_lazy_data {
uint64_t tables[16][16];
uint64_t last_value;
};
struct gf_split_8_64_lazy_data {
uint64_t tables[8][(1<<8)];
uint64_t last_value;
};
struct gf_split_16_64_lazy_data {
uint64_t tables[4][(1<<16)];
uint64_t last_value;
};
struct gf_split_8_8_data {
uint64_t tables[15][256][256];
};
void gf_w64_neon_split_init(gf_t *gf);
#endif /* GF_COMPLETE_GF_W64_H */
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