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Code Issues 1 Releases Wiki Activity

Fixed one cast (added appropriate parantheses)

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This commit is contained in:
Peter Schwabe 2019-02-14 16:16:50 +01:00
parent 8b8f27b003
commit 393c7a3cde
1 changed files with 12 additions and 12 deletions
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24
crypto_kem/kyber768/clean/cbd.c
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@ -52,10 +52,10 @@ void PQCLEAN_KYBER768_cbd(poly *r, const unsigned char *buf) {
a[3] = (d >> 18) & 0x7;
b[3] = (d >> 21);
r->coeffs[4 * i + 0] = (uint16_t)a[0] + KYBER_Q - b[0];
r->coeffs[4 * i + 1] = (uint16_t)a[1] + KYBER_Q - b[1];
r->coeffs[4 * i + 2] = (uint16_t)a[2] + KYBER_Q - b[2];
r->coeffs[4 * i + 3] = (uint16_t)a[3] + KYBER_Q - b[3];
r->coeffs[4 * i + 0] = (uint16_t)(a[0] + KYBER_Q - b[0]);
r->coeffs[4 * i + 1] = (uint16_t)(a[1] + KYBER_Q - b[1]);
r->coeffs[4 * i + 2] = (uint16_t)(a[2] + KYBER_Q - b[2]);
r->coeffs[4 * i + 3] = (uint16_t)(a[3] + KYBER_Q - b[3]);
}
#elif KYBER_ETA == 4
uint32_t t, d, a[4], b[4];
@ -77,10 +77,10 @@ void PQCLEAN_KYBER768_cbd(poly *r, const unsigned char *buf) {
a[3] = (d >> 24) & 0xf;
b[3] = (d >> 28);
r->coeffs[4 * i + 0] = (uint16_t)a[0] + KYBER_Q - b[0];
r->coeffs[4 * i + 1] = (uint16_t)a[1] + KYBER_Q - b[1];
r->coeffs[4 * i + 2] = (uint16_t)a[2] + KYBER_Q - b[2];
r->coeffs[4 * i + 3] = (uint16_t)a[3] + KYBER_Q - b[3];
r->coeffs[4 * i + 0] = (uint16_t)(a[0] + KYBER_Q - b[0]);
r->coeffs[4 * i + 1] = (uint16_t)(a[1] + KYBER_Q - b[1]);
r->coeffs[4 * i + 2] = (uint16_t)(a[2] + KYBER_Q - b[2]);
r->coeffs[4 * i + 3] = (uint16_t)(a[3] + KYBER_Q - b[3]);
}
#elif KYBER_ETA == 5
uint64_t t, d, a[4], b[4];
@ -102,10 +102,10 @@ void PQCLEAN_KYBER768_cbd(poly *r, const unsigned char *buf) {
a[3] = (d >> 30) & 0x1f;
b[3] = (d >> 35);
r->coeffs[4 * i + 0] = (uint16_t)a[0] + KYBER_Q - b[0];
r->coeffs[4 * i + 1] = (uint16_t)a[1] + KYBER_Q - b[1];
r->coeffs[4 * i + 2] = (uint16_t)a[2] + KYBER_Q - b[2];
r->coeffs[4 * i + 3] = (uint16_t)a[3] + KYBER_Q - b[3];
r->coeffs[4 * i + 0] = (uint16_t)(a[0] + KYBER_Q - b[0]);
r->coeffs[4 * i + 1] = (uint16_t)(a[1] + KYBER_Q - b[1]);
r->coeffs[4 * i + 2] = (uint16_t)(a[2] + KYBER_Q - b[2]);
r->coeffs[4 * i + 3] = (uint16_t)(a[3] + KYBER_Q - b[3]);
}
#else
#error "poly_getnoise in poly.c only supports eta in {3,4,5}"