How to get digital signatures from Android Studio

the previous methods for obtaining digital signatures (SHA1 or MD5) in Eclipse are:

Click the Eclipse Navigation bar of Windows---Preference----Android--Build

now that you've developed Android apps under Android Studio or IntelliJ idea, you won't find a way to just click with your mouse. But you can open terminal and use Keytool to get it. I use ubuntu14.04 as a development Machine, the method is as follows:

$ cd ~/.android

$ keytool-list-v-keystore debug.keystore

The default password for the test is: Android or direct enter

How to get digital signatures from Android Studio