* {\pm 1, \pm 3, \pm 5, \pm 7, \pm 9, ...}
* i.e. signed odd digits with _no zeroes_ -- that makes it "regular".
*/
-static void scalar_rwnaf(char out[52], const unsigned char in[32]) {
+static void scalar_rwnaf(int8_t out[52], const unsigned char in[32]) {
int i;
- char window, d;
+ int8_t window, d;
window = (in[0] & (DRADIX_WNAF - 1)) | 1;
for (i = 0; i < 51; i++) {
* Compute "textbook" wnaf representation of a scalar.
* NB: not constant time
*/
-static void scalar_wnaf(char out[257], const unsigned char in[32]) {
+static void scalar_wnaf(int8_t out[257], const unsigned char in[32]) {
int i;
- char window, d;
+ int8_t window, d;
window = in[0] & (DRADIX_WNAF - 1);
for (i = 0; i < 257; i++) {
static void var_smul_wnaf_two(pt_aff_t *out, const unsigned char a[32],
const unsigned char b[32], const pt_aff_t *P) {
int i, d, is_neg, is_inf = 1, flipped = 0;
- char anaf[257] = {0};
- char bnaf[257] = {0};
+ int8_t anaf[257] = {0};
+ int8_t bnaf[257] = {0};
pt_prj_t Q;
pt_prj_t precomp[DRADIX / 2];
static void var_smul_rwnaf(pt_aff_t *out, const unsigned char scalar[32],
const pt_aff_t *P) {
int i, j, d, diff, is_neg;
- char rnaf[52] = {0};
+ int8_t rnaf[52] = {0};
pt_prj_t Q, lut;
pt_prj_t precomp[DRADIX / 2];
*/
static void fixed_smul_cmb(pt_aff_t *out, const unsigned char scalar[32]) {
int i, j, k, d, diff, is_neg = 0;
- char rnaf[52] = {0};
+ int8_t rnaf[52] = {0};
pt_prj_t Q, R;
pt_aff_t lut;
fiat_id_GostR3410_2001_CryptoPro_A_ParamSet_to_bytes(outy, P.Y);
}
+
#include <openssl/ec.h>
static const unsigned char const_zb[32] = {0};
* {\pm 1, \pm 3, \pm 5, \pm 7, \pm 9, ...}
* i.e. signed odd digits with _no zeroes_ -- that makes it "regular".
*/
-static void scalar_rwnaf(char out[52], const unsigned char in[32]) {
+static void scalar_rwnaf(int8_t out[52], const unsigned char in[32]) {
int i;
- char window, d;
+ int8_t window, d;
window = (in[0] & (DRADIX_WNAF - 1)) | 1;
for (i = 0; i < 51; i++) {
* Compute "textbook" wnaf representation of a scalar.
* NB: not constant time
*/
-static void scalar_wnaf(char out[257], const unsigned char in[32]) {
+static void scalar_wnaf(int8_t out[257], const unsigned char in[32]) {
int i;
- char window, d;
+ int8_t window, d;
window = in[0] & (DRADIX_WNAF - 1);
for (i = 0; i < 257; i++) {
static void var_smul_wnaf_two(pt_aff_t *out, const unsigned char a[32],
const unsigned char b[32], const pt_aff_t *P) {
int i, d, is_neg, is_inf = 1, flipped = 0;
- char anaf[257] = {0};
- char bnaf[257] = {0};
+ int8_t anaf[257] = {0};
+ int8_t bnaf[257] = {0};
pt_prj_t Q;
pt_prj_t precomp[DRADIX / 2];
static void var_smul_rwnaf(pt_aff_t *out, const unsigned char scalar[32],
const pt_aff_t *P) {
int i, j, d, diff, is_neg;
- char rnaf[52] = {0};
+ int8_t rnaf[52] = {0};
pt_prj_t Q, lut;
pt_prj_t precomp[DRADIX / 2];
*/
static void fixed_smul_cmb(pt_aff_t *out, const unsigned char scalar[32]) {
int i, j, k, d, diff, is_neg = 0;
- char rnaf[52] = {0};
+ int8_t rnaf[52] = {0};
pt_prj_t Q, R;
pt_aff_t lut;
fiat_id_GostR3410_2001_CryptoPro_A_ParamSet_to_bytes(outy, P.Y);
}
+
#include <openssl/ec.h>
static const unsigned char const_zb[32] = {0};