Fix missed overflowing mul in FrodoKEM

It happened in another place
このコミットが含まれているのは:
Thom Wiggers 2020-11-24 11:23:09 +01:00 committed by Kris Kwiatkowski
コミット 560ac15334
12個のファイルの変更12行の追加12行の削除

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM1344AES_CLEAN_mul_bs(uint16_t *out, const uint16_t *b, cons
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM1344AES_OPT_mul_bs(uint16_t *out, const uint16_t *b, const
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM1344SHAKE_CLEAN_mul_bs(uint16_t *out, const uint16_t *b, co
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM1344SHAKE_OPT_mul_bs(uint16_t *out, const uint16_t *b, cons
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM640AES_CLEAN_mul_bs(uint16_t *out, const uint16_t *b, const
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM640AES_OPT_mul_bs(uint16_t *out, const uint16_t *b, const u
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM640SHAKE_CLEAN_mul_bs(uint16_t *out, const uint16_t *b, con
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM640SHAKE_OPT_mul_bs(uint16_t *out, const uint16_t *b, const
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM976AES_CLEAN_mul_bs(uint16_t *out, const uint16_t *b, const
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM976AES_OPT_mul_bs(uint16_t *out, const uint16_t *b, const u
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM976SHAKE_CLEAN_mul_bs(uint16_t *out, const uint16_t *b, con
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}

ファイルの表示

@ -40,7 +40,7 @@ void PQCLEAN_FRODOKEM976SHAKE_OPT_mul_bs(uint16_t *out, const uint16_t *b, const
for (j = 0; j < PARAMS_NBAR; j++) {
out[i * PARAMS_NBAR + j] = 0;
for (k = 0; k < PARAMS_N; k++) {
out[i * PARAMS_NBAR + j] += b[i * PARAMS_N + k] * s[j * PARAMS_N + k];
out[i * PARAMS_NBAR + j] += (uint16_t)(b[i * PARAMS_N + k] * (uint32_t)s[j * PARAMS_N + k]);
}
out[i * PARAMS_NBAR + j] = (uint32_t)(out[i * PARAMS_NBAR + j]) & ((1 << PARAMS_LOGQ) - 1);
}