pqc/crypto_sign/rainbowIII-circumzenithal/clean/blas.c
Matthias J. Kannwischer 3d5079129d
Update Rainbow to round 3 parameter sets (#361)
* rainbow update

* update workflows

* re-add /O2 in nmake Makefile
2020-11-27 18:55:15 +01:00

32 lines
1.0 KiB
C

#include "blas.h"
#include "gf.h"
#include <stddef.h>
void PQCLEAN_RAINBOWIIICIRCUMZENITHAL_CLEAN_gf256v_predicated_add(uint8_t *accu_b, uint8_t predicate, const uint8_t *a, size_t _num_byte) {
uint8_t pr_u8 = (uint8_t) ((uint8_t) 0 - predicate);
for (size_t i = 0; i < _num_byte; i++) {
accu_b[i] ^= (a[i] & pr_u8);
}
}
void PQCLEAN_RAINBOWIIICIRCUMZENITHAL_CLEAN_gf256v_add(uint8_t *accu_b, const uint8_t *a, size_t _num_byte) {
for (size_t i = 0; i < _num_byte; i++) {
accu_b[i] ^= a[i];
}
}
void PQCLEAN_RAINBOWIIICIRCUMZENITHAL_CLEAN_gf256v_mul_scalar(uint8_t *a, uint8_t b, size_t _num_byte) {
for (size_t i = 0; i < _num_byte; i++) {
a[i] = PQCLEAN_RAINBOWIIICIRCUMZENITHAL_CLEAN_gf256_mul(a[i], b);
}
}
void PQCLEAN_RAINBOWIIICIRCUMZENITHAL_CLEAN_gf256v_madd(uint8_t *accu_c, const uint8_t *a, uint8_t gf256_b, size_t _num_byte) {
for (size_t i = 0; i < _num_byte; i++) {
accu_c[i] ^= PQCLEAN_RAINBOWIIICIRCUMZENITHAL_CLEAN_gf256_mul(a[i], gf256_b);
}
}