diff options
| -rw-r--r-- | ecdsa.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -869,7 +869,8 @@ hal_error_t hal_ecdsa_key_gen(const hal_core_t *core, if ((err = point_pick_random(curve, key->d, key->Q)) != HAL_OK) return err; - assert(point_is_on_curve(key->Q, curve)); + if (!point_is_on_curve(key->Q, curve)) + return HAL_ERROR_KEY_NOT_ON_CURVE; *key_ = key; return HAL_OK; @@ -1527,7 +1528,8 @@ hal_error_t hal_ecdsa_sign(const hal_core_t *core, if ((err = point_pick_random(curve, k, R)) != HAL_OK) goto fail; - assert(point_is_on_curve(R, curve)); + if (!point_is_on_curve(R, curve)) + lose(HAL_ERROR_IMPOSSIBLE); if (fp_mod(R->x, n, r) != FP_OKAY) lose(HAL_ERROR_IMPOSSIBLE); |