kris/pqcrypto
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Kods Problēmas 1 Laidieni Vikivietne Aktivitāte

Fix overflow in multiplication in Saber

Pārlūkot izejas kodu
Šī revīzija ir iekļauta:
Sofía Celi 2020-08-11 10:47:34 -05:00 revīziju iesūtīja Kris Kwiatkowski
vecāks 3d05000b2c
revīzija c59580a355
3 mainīti faili ar 3 papildinājumiem un 3 dzēšanām
Rādīt statistiku Lejupielādēt ielāpa failu Lejupielādēt izmaiņu failu Izvērst visus failus Savērst visus failus

2
crypto_kem/firesaber/clean/poly_mul.c
Parādīt failu

@ -47,7 +47,7 @@ static void karatsuba_simple(const uint16_t *a_1, const uint16_t *b_1, uint16_t
acc7 = acc5 + acc6; //b01
acc8 = acc1 + acc2; //a01
d01[i + j] = d01[i + j] + acc7 * acc8;
d01[i + j] = d01[i + j] + (uint16_t)(acc7 * (uint64_t)acc8);
//--------------------------------------------------------
acc7 = b_1[j + 2 * KARATSUBA_N / 4]; //b2

2
crypto_kem/lightsaber/clean/poly_mul.c
Parādīt failu

@ -47,7 +47,7 @@ static void karatsuba_simple(const uint16_t *a_1, const uint16_t *b_1, uint16_t
acc7 = acc5 + acc6; //b01
acc8 = acc1 + acc2; //a01
d01[i + j] = d01[i + j] + acc7 * acc8;
d01[i + j] = d01[i + j] + (uint16_t)(acc7 * (uint64_t)acc8);
//--------------------------------------------------------
acc7 = b_1[j + 2 * KARATSUBA_N / 4]; //b2

2
crypto_kem/saber/clean/poly_mul.c
Parādīt failu

@ -47,7 +47,7 @@ static void karatsuba_simple(const uint16_t *a_1, const uint16_t *b_1, uint16_t
acc7 = acc5 + acc6; //b01
acc8 = acc1 + acc2; //a01
d01[i + j] = d01[i + j] + acc7 * acc8;
d01[i + j] = d01[i + j] + (uint16_t)(acc7 * (uint64_t)acc8);
//--------------------------------------------------------
acc7 = b_1[j + 2 * KARATSUBA_N / 4]; //b2