32 lines
801 B
C
32 lines
801 B
C
#ifndef __THREEBEARS_RING_H__
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#define __THREEBEARS_RING_H__
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#include "api.h"
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#include "params.h"
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typedef uint16_t limb_t;
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typedef int16_t slimb_t;
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typedef uint32_t dlimb_t;
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typedef int32_t dslimb_t;
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#define LMASK (((limb_t)1<<LGX)-1)
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typedef limb_t gf_t[DIGITS];
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/* Serialize a gf_t */
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void PQCLEAN_PAPABEAR_CLEAN_contract(uint8_t ch[GF_BYTES], gf_t a);
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/* Deserialize a gf_t */
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void PQCLEAN_PAPABEAR_CLEAN_expand(gf_t ll, const uint8_t ch[GF_BYTES]);
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/* Multiply and accumulate c = c + a*b */
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void PQCLEAN_PAPABEAR_CLEAN_mac(gf_t c, const gf_t a, const gf_t b);
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/* Reduce ring element to canonical form */
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void PQCLEAN_PAPABEAR_CLEAN_canon(gf_t c);
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/** Return the i'th limb of the modulus */
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static inline limb_t modulus(size_t i) {
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return (i == DIGITS / 2) ? LMASK - 1 : LMASK;
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}
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#endif
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