Java tutorial
import java.io.FileInputStream; import java.security.KeyStore; import java.security.cert.Certificate; public class MainClass { public static void main(String[] args) throws Exception { String keystoreFilename = "my.keystore"; char[] password = "password".toCharArray(); String alias = "alias"; FileInputStream fIn = new FileInputStream(keystoreFilename); KeyStore keystore = KeyStore.getInstance("JKS"); keystore.load(fIn, password); Certificate cert = keystore.getCertificate(alias); System.out.println(cert); } }