code: private static byte[] sm3(byte[] data) {
  		SM3Digest sm3 = new SM3Digest();
  		sm3.update(data, 0, data.length);
  		byte[] result = new byte[sm3.getDigestSize()];
  		sm3.doFinal(result, 0);
  		return result;
  	}
docs: SM3计算.
  
  @param datas
  待计算的数据
  @return 计算结果