51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
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* GF-Complete: A Comprehensive Open Source Library for Galois Field Arithmetic
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* James S. Plank, Ethan L. Miller, Kevin M. Greenan,
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* Benjamin A. Arnold, John A. Burnum, Adam W. Disney, Allen C. McBride.
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*
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* gf_w64.h
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*
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* Defines and data structures for 64-bit Galois fields
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*/
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#ifndef GF_COMPLETE_GF_W64_H
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#define GF_COMPLETE_GF_W64_H
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#include <stdint.h>
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#define GF_FIELD_WIDTH (64)
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#define GF_FIRST_BIT (1ULL << 63)
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#define GF_BASE_FIELD_WIDTH (32)
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#define GF_BASE_FIELD_SIZE (1ULL << GF_BASE_FIELD_WIDTH)
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#define GF_BASE_FIELD_GROUP_SIZE GF_BASE_FIELD_SIZE-1
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struct gf_w64_group_data {
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uint64_t *reduce;
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uint64_t *shift;
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uint64_t *memory;
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};
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struct gf_split_4_64_lazy_data {
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uint64_t tables[16][16];
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uint64_t last_value;
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};
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struct gf_split_8_64_lazy_data {
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uint64_t tables[8][(1<<8)];
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uint64_t last_value;
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};
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struct gf_split_16_64_lazy_data {
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uint64_t tables[4][(1<<16)];
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uint64_t last_value;
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};
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struct gf_split_8_8_data {
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uint64_t tables[15][256][256];
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};
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void gf_w64_neon_split_init(gf_t *gf);
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#endif /* GF_COMPLETE_GF_W64_H */
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