mirror of
https://github.com/henrydcase/pqc.git
synced 2024-11-27 09:51:30 +00:00
32 lines
801 B
C
32 lines
801 B
C
|
#ifndef __THREEBEARS_RING_H__
|
||
|
|
#define __THREEBEARS_RING_H__
|
||
|
|
|
||
|
|
#include "api.h"
|
||
|
|
#include "params.h"
|
||
|
|
|
||
|
|
typedef uint16_t limb_t;
|
||
|
|
typedef int16_t slimb_t;
|
||
|
|
typedef uint32_t dlimb_t;
|
||
|
|
typedef int32_t dslimb_t;
|
||
|
|
#define LMASK (((limb_t)1<<LGX)-1)
|
||
|
|
typedef limb_t gf_t[DIGITS];
|
||
|
|
|
||
|
|
/* Serialize a gf_t */
|
||
|
|
void PQCLEAN_PAPABEAR_CLEAN_contract(uint8_t ch[GF_BYTES], gf_t a);
|
||
|
|
|
||
|
|
/* Deserialize a gf_t */
|
||
|
|
void PQCLEAN_PAPABEAR_CLEAN_expand(gf_t ll, const uint8_t ch[GF_BYTES]);
|
||
|
|
|
||
|
|
/* Multiply and accumulate c = c + a*b */
|
||
|
|
void PQCLEAN_PAPABEAR_CLEAN_mac(gf_t c, const gf_t a, const gf_t b);
|
||
|
|
|
||
|
|
/* Reduce ring element to canonical form */
|
||
|
|
void PQCLEAN_PAPABEAR_CLEAN_canon(gf_t c);
|
||
|
|
|
||
|
|
/** Return the i'th limb of the modulus */
|
||
|
|
static inline limb_t modulus(size_t i) {
|
||
|
|
return (i == DIGITS / 2) ? LMASK - 1 : LMASK;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|