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Spencer Wilson 2024-01-02 16:45:17 -05:00 committed by Douglas Stebila
parent 2336702600
commit 1356ad102a
6 changed files with 66 additions and 9 deletions
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8
src/kem/kyber/oldpqclean_kyber1024_aarch64/poly.c
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@ -51,6 +51,7 @@
void poly_compress(uint8_t r[KYBER_POLYCOMPRESSEDBYTES], const int16_t a[KYBER_N]) {
unsigned int i, j;
int16_t u;
uint32_t d0;
uint8_t t[8];
for (i = 0; i < KYBER_N / 8; i++) {
@ -58,7 +59,12 @@ void poly_compress(uint8_t r[KYBER_POLYCOMPRESSEDBYTES], const int16_t a[KYBER_N
// map to positive standard representatives
u = a[8 * i + j];
u += (u >> 15) & KYBER_Q;
t[j] = ((((uint32_t)u << 5) + KYBER_Q / 2) / KYBER_Q) & 31;
// t[j] = ((((uint32_t)u << 5) + KYBER_Q / 2) / KYBER_Q) & 31;
d0 = u << 5;
d0 += 1664;
d0 *= 40318;
d0 >>= 27;
t[j] = d0 & 0x1f;
}
r[0] = (t[0] >> 0) | (t[1] << 5);

17
src/kem/kyber/oldpqclean_kyber1024_aarch64/polyvec.c
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@ -21,6 +21,7 @@
**************************************************/
void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K][KYBER_N]) {
unsigned int i, j, k;
uint64_t d0;
#if (KYBER_POLYVECCOMPRESSEDBYTES == (KYBER_K * 352))
uint16_t t[8];
@ -29,7 +30,13 @@ void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K
for (k = 0; k < 8; k++) {
t[k] = a[i][8 * j + k];
t[k] += ((int16_t)t[k] >> 15) & KYBER_Q;
t[k] = ((((uint32_t)t[k] << 11) + KYBER_Q / 2) / KYBER_Q) & 0x7ff;
// t[k] = ((((uint32_t)t[k] << 11) + KYBER_Q / 2) / KYBER_Q) & 0x7ff;
d0 = t[k];
d0 <<= 11;
d0 += 1664;
d0 *= 645084;
d0 >>= 31;
t[k] = d0 & 0x7ff;
}
r[ 0] = (t[0] >> 0);
@ -53,7 +60,13 @@ void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K
for (k = 0; k < 4; k++) {
t[k] = a[i][4 * j + k];
t[k] += ((int16_t)t[k] >> 15) & KYBER_Q;
t[k] = ((((uint32_t)t[k] << 10) + KYBER_Q / 2) / KYBER_Q) & 0x3ff;
// t[k] = ((((uint32_t)t[k] << 10) + KYBER_Q / 2) / KYBER_Q) & 0x3ff;
d0 = t[k];
d0 <<= 10;
d0 += 1665;
d0 *= 1290167;
d0 >>= 32;
t[k] = d0 & 0x3ff;
}
r[0] = (t[0] >> 0);

8
src/kem/kyber/oldpqclean_kyber512_aarch64/poly.c
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@ -51,6 +51,7 @@
void poly_compress(uint8_t r[KYBER_POLYCOMPRESSEDBYTES], const int16_t a[KYBER_N]) {
unsigned int i, j;
int16_t u;
uint32_t d0;
uint8_t t[8];
for (i = 0; i < KYBER_N / 8; i++) {
@ -58,7 +59,12 @@ void poly_compress(uint8_t r[KYBER_POLYCOMPRESSEDBYTES], const int16_t a[KYBER_N
// map to positive standard representatives
u = a[8 * i + j];
u += (u >> 15) & KYBER_Q;
t[j] = ((((uint16_t)u << 4) + KYBER_Q / 2) / KYBER_Q) & 15;
// t[j] = ((((uint16_t)u << 4) + KYBER_Q / 2) / KYBER_Q) & 15;
d0 = u << 4;
d0 += 1665;
d0 *= 80635;
d0 >>= 28;
t[j] = d0 & 0xf;
}
r[0] = t[0] | (t[1] << 4);

17
src/kem/kyber/oldpqclean_kyber512_aarch64/polyvec.c
View File

@ -21,6 +21,7 @@
**************************************************/
void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K][KYBER_N]) {
unsigned int i, j, k;
uint64_t d0;
#if (KYBER_POLYVECCOMPRESSEDBYTES == (KYBER_K * 352))
uint16_t t[8];
@ -29,7 +30,13 @@ void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K
for (k = 0; k < 8; k++) {
t[k] = a[i][8 * j + k];
t[k] += ((int16_t)t[k] >> 15) & KYBER_Q;
t[k] = ((((uint32_t)t[k] << 11) + KYBER_Q / 2) / KYBER_Q) & 0x7ff;
// t[k] = ((((uint32_t)t[k] << 11) + KYBER_Q / 2) / KYBER_Q) & 0x7ff;
d0 = t[k];
d0 <<= 11;
d0 += 1664;
d0 *= 645084;
d0 >>= 31;
t[k] = d0 & 0x7ff;
}
r[ 0] = (t[0] >> 0);
@ -53,7 +60,13 @@ void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K
for (k = 0; k < 4; k++) {
t[k] = a[i][4 * j + k];
t[k] += ((int16_t)t[k] >> 15) & KYBER_Q;
t[k] = ((((uint32_t)t[k] << 10) + KYBER_Q / 2) / KYBER_Q) & 0x3ff;
// t[k] = ((((uint32_t)t[k] << 10) + KYBER_Q / 2) / KYBER_Q) & 0x3ff;
d0 = t[k];
d0 <<= 10;
d0 += 1665;
d0 *= 1290167;
d0 >>= 32;
t[k] = d0 & 0x3ff;
}
r[0] = (t[0] >> 0);

8
src/kem/kyber/oldpqclean_kyber768_aarch64/poly.c
View File

@ -51,6 +51,7 @@
void poly_compress(uint8_t r[KYBER_POLYCOMPRESSEDBYTES], const int16_t a[KYBER_N]) {
unsigned int i, j;
int16_t u;
uint32_t d0;
uint8_t t[8];
for (i = 0; i < KYBER_N / 8; i++) {
@ -58,7 +59,12 @@ void poly_compress(uint8_t r[KYBER_POLYCOMPRESSEDBYTES], const int16_t a[KYBER_N
// map to positive standard representatives
u = a[8 * i + j];
u += (u >> 15) & KYBER_Q;
t[j] = ((((uint16_t)u << 4) + KYBER_Q / 2) / KYBER_Q) & 15;
// t[j] = ((((uint16_t)u << 4) + KYBER_Q / 2) / KYBER_Q) & 15;
d0 = u << 4;
d0 += 1665;
d0 *= 80635;
d0 >>= 28;
t[j] = d0 & 0xf;
}
r[0] = t[0] | (t[1] << 4);

17
src/kem/kyber/oldpqclean_kyber768_aarch64/polyvec.c
View File

@ -21,6 +21,7 @@
**************************************************/
void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K][KYBER_N]) {
unsigned int i, j, k;
uint64_t d0;
#if (KYBER_POLYVECCOMPRESSEDBYTES == (KYBER_K * 352))
uint16_t t[8];
@ -29,7 +30,13 @@ void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K
for (k = 0; k < 8; k++) {
t[k] = a[i][8 * j + k];
t[k] += ((int16_t)t[k] >> 15) & KYBER_Q;
t[k] = ((((uint32_t)t[k] << 11) + KYBER_Q / 2) / KYBER_Q) & 0x7ff;
// t[k] = ((((uint32_t)t[k] << 11) + KYBER_Q / 2) / KYBER_Q) & 0x7ff;
d0 = t[k];
d0 <<= 11;
d0 += 1664;
d0 *= 645084;
d0 >>= 31;
t[k] = d0 & 0x7ff;
}
r[ 0] = (t[0] >> 0);
@ -53,7 +60,13 @@ void polyvec_compress(uint8_t r[KYBER_POLYVECCOMPRESSEDBYTES], int16_t a[KYBER_K
for (k = 0; k < 4; k++) {
t[k] = a[i][4 * j + k];
t[k] += ((int16_t)t[k] >> 15) & KYBER_Q;
t[k] = ((((uint32_t)t[k] << 10) + KYBER_Q / 2) / KYBER_Q) & 0x3ff;
// t[k] = ((((uint32_t)t[k] << 10) + KYBER_Q / 2) / KYBER_Q) & 0x3ff;
d0 = t[k];
d0 <<= 10;
d0 += 1665;
d0 *= 1290167;
d0 >>= 32;
t[k] = d0 & 0x3ff;
}
r[0] = (t[0] >> 0);