如何使用openssl计算具有已知公钥的算法Diffie-Hellman中的私钥？

Question

我有下一个公式：

 FATAL EXCEPTION: main
              Process: com.nooriginalthought.yabs, PID: 8640
              android.view.InflateException: Binary XML file line #15: 
              Binary XML file line #15: Error inflating class Android.support.v7.widget.AppCompatTextView
                      Caused by: android.view.InflateException: Binary XML file line #15: Error inflating class Android.support.v7.widget.AppCompatTextView
                      Caused by: java.lang.ClassNotFoundException: Didn't find class "Android.support.v7.widget.AppCompatTextView" on path: D.......

我知道值p和m，如何使用openssl库计算x？