Listing the Aliases in a Key Store: A key store is a collection of keys and certificates. : Keystore « Security « Java Tutorial

1. Java Tutorial
2. Security
3. Keystore

import java.io.FileInputStream;
import java.security.KeyStore;
import java.util.Enumeration;

public class Main {
  public static void main(String[] argv) throws Exception {
    FileInputStream is = new FileInputStream("yourfile"+".keystore");
    KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
    String password = "my-keystore-password";
    keystore.load(is, password.toCharArray());

    Enumeration e = keystore.aliases();
    for (; e.hasMoreElements();) {
      String alias = (String) e.nextElement();

      boolean b = keystore.isKeyEntry(alias);

      b = keystore.isCertificateEntry(alias);
    }
    is.close();
  }
}