diff options
| -rw-r--r-- | networking/tls_sp_c32.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/networking/tls_sp_c32.c b/networking/tls_sp_c32.c index 7c6229ffd..99f9c6839 100644 --- a/networking/tls_sp_c32.c +++ b/networking/tls_sp_c32.c @@ -96,11 +96,13 @@ static void sp_256_to_bin_10(sp_digit* r, uint8_t* a) a[j] = 0; for (i = 0; i < 10 && j >= 0; i++) { b = 0; - a[j--] |= r[i] << s; b += 8 - s; + a[j--] |= r[i] << s; + b += 8 - s; if (j < 0) break; while (b < 26) { - a[j--] = r[i] >> b; b += 8; + a[j--] = r[i] >> b; + b += 8; if (j < 0) break; } @@ -297,6 +299,7 @@ static void sp_256_mont_sub_10(sp_digit* r, const sp_digit* a, const sp_digit* b if (r[9] >> 22) sp_256_add_10(r, r, m); sp_256_norm_10(r); + r[9] &= 0x03fffff; /* truncate to 22 bits */ } /* Double a Montgomery form number (r = a + a % m) */ @@ -864,8 +867,8 @@ static void sp_ecc_secret_gen_256(const sp_digit priv[10], const uint8_t *pub2x3 dump_hex(" %s\n", pub2x32 + 32, 32); sp_256_point_from_bin2x32(point, pub2x32); - dump_hex("point->x %s\n", point->x, sizeof(point->x)); - dump_hex("point->y %s\n", point->y, sizeof(point->y)); + dump_512("point->x %s\n", point->x); + dump_512("point->y %s\n", point->y); sp_256_ecc_mulmod_10(point, point, priv); |