public static ECPrivateKeyParameters toSm2Params(String d) {
		return ECKeyUtil.toSm2PrivateParams(d);
	}
@Test
	public void createECPublicKeyParametersTest() {
		String x = "706AD9DAA3E5CEAC3DA59F583429E8043BAFC576BE10092C4EA4D8E19846CA62";
		String y = "F7E938B02EED7280277493B8556E5B01CB436E018A562DFDC53342BF41FDF728";

		final ECPublicKeyParameters keyParameters = BCUtil.toSm2Params(x, y);
		assertNotNull(keyParameters);
	}