ecdhe: eliminated unneeded checks for zero of public parameters

There were not required by either draft-ietf-tls-rfc4492bis-07
or rfc7748.

diff --git a/lib/auth/ecdhe.c b/lib/auth/ecdhe.c
index 35eaa9cb585e516f7732389fa0b555ea1fbf868e..e445c2f0fe760ce65ec39582bacb6ab11699fa30 100644 (file)
--- a/lib/auth/ecdhe.c
+++ b/lib/auth/ecdhe.c
@@ -166,9 +166,6 @@ int _gnutls_proc_ecdh_common_client_kx(gnutls_session_t session,
                if (ecurve->size != point_size)
                        return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER);
 
-               if (_gnutls_mem_is_zero(&data[i], point_size))
-                       return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER);
-
                ret = _gnutls_set_datum(&session->key.ecdhx,
                                        &data[i], point_size);
                if (ret < 0) {
@@ -374,9 +371,6 @@ _gnutls_proc_ecdh_common_server_kx(gnutls_session_t session,
                if (ecurve->size != point_size)
                        return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER);
 
-               if (_gnutls_mem_is_zero(&data[i], point_size))
-                       return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER);
-
                ret = _gnutls_set_datum(&session->key.ecdhx,
                                        &data[i], point_size);
                if (ret < 0)