8cbb70365
Denys Vlasenko
2021-11-27
Subject
tls: P256: remove redundant zeroing in sp_256_map_8
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Commit Diff GitHub →
networking/tls_sp_c32.c+0 -2
| @@ -1062,7 +1062,6 @@ static void sp_256_map_8(sp_point* r, sp_point* p) | |
| /* x /= z^2 */ | |
| sp_256to512z_mont_mul_8(r->x, p->x, t2 /*, p256_mod, p256_mp_mod*/); | |
| - | memset(r->x + 8, 0, sizeof(r->x) / 2); |
| sp_512to256_mont_reduce_8(r->x /*, p256_mod, p256_mp_mod*/); | |
| /* Reduce x to less than modulus */ | |
| if (sp_256_cmp_8(r->x, p256_mod) >= 0) | |
| @@ -1071,7 +1070,6 @@ static void sp_256_map_8(sp_point* r, sp_point* p) | |
| /* y /= z^3 */ | |
| sp_256to512z_mont_mul_8(r->y, p->y, t1 /*, p256_mod, p256_mp_mod*/); | |
| - | memset(r->y + 8, 0, sizeof(r->y) / 2); |
| sp_512to256_mont_reduce_8(r->y /*, p256_mod, p256_mp_mod*/); | |
| /* Reduce y to less than modulus */ | |
| if (sp_256_cmp_8(r->y, p256_mod) >= 0) | |