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Merge pull request #357 from PQClean/fix_frodo_more

Quellcode durchsuchen 
Fix more overflowing muls in Frodo
Dieser Commit ist enthalten in:
Thom Wiggers 2020-11-19 15:07:16 +01:00 committet von GitHub
Commit 891e2e2718
Es konnte kein GPG-Schlüssel zu dieser Signatur gefunden werden
GPG-Schlüssel-ID: 4AEE18F83AFDEB23
12 geänderte Dateien mit 12 neuen und 12 gelöschten Zeilen
Statistiken anzeigen Patch-Datei herunterladen Vergleichs-Datei herunterladen Alle Dateien ausklappen Alle Dateien einklappen

2
crypto_kem/frodokem1344aes/clean/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM1344AES_CLEAN_mul_add_sb_plus_e(uint16_t *out, const uint16
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem1344aes/opt/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM1344AES_OPT_mul_add_sb_plus_e(uint16_t *out, const uint16_t
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem1344shake/clean/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM1344SHAKE_CLEAN_mul_add_sb_plus_e(uint16_t *out, const uint
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem1344shake/opt/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM1344SHAKE_OPT_mul_add_sb_plus_e(uint16_t *out, const uint16
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem640aes/clean/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM640AES_CLEAN_mul_add_sb_plus_e(uint16_t *out, const uint16_
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem640aes/opt/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM640AES_OPT_mul_add_sb_plus_e(uint16_t *out, const uint16_t
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem640shake/clean/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM640SHAKE_CLEAN_mul_add_sb_plus_e(uint16_t *out, const uint1
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem640shake/opt/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM640SHAKE_OPT_mul_add_sb_plus_e(uint16_t *out, const uint16_
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem976aes/clean/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM976AES_CLEAN_mul_add_sb_plus_e(uint16_t *out, const uint16_
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem976aes/opt/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM976AES_OPT_mul_add_sb_plus_e(uint16_t *out, const uint16_t
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem976shake/clean/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM976SHAKE_CLEAN_mul_add_sb_plus_e(uint16_t *out, const uint1
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}

2
crypto_kem/frodokem976shake/opt/util.c
Datei anzeigen

@ -58,7 +58,7 @@ void PQCLEAN_FRODOKEM976SHAKE_OPT_mul_add_sb_plus_e(uint16_t *out, const uint16_
for (i = 0; i < PARAMS_NBAR; i++) {
out[k * PARAMS_NBAR + i] = e[k * PARAMS_NBAR + i];
for (j = 0; j < PARAMS_N; j++) {
out[k * PARAMS_NBAR + i] += s[k * PARAMS_N + j] * b[j * PARAMS_NBAR + i];
out[k * PARAMS_NBAR + i] += (uint16_t)(s[k * PARAMS_N + j] * (uint32_t)b[j * PARAMS_NBAR + i]);
}
out[k * PARAMS_NBAR + i] = (uint32_t)(out[k * PARAMS_NBAR + i]) & ((1 << PARAMS_LOGQ) - 1);
}