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1import javax.crypto.KeyGenerator;
2import javax.crypto.SecretKey;
3import java.io.File;
4import java.io.FileInputStream;
5import java.io.FileOutputStream;
6import java.io.IOException;
7import java.security.KeyStore;
8import java.security.KeyStoreException;
9import java.security.NoSuchAlgorithmException;
10import java.security.cert.CertificateException;
11
12
13public class KeyStoreTest {
14
15    public static void main(String[] args) {
16        try {
17            secretKeyStore();
18        } catch (Exception e) {
19            e.printStackTrace();
20        }
21    }
22
23    public static void secretKeyStore() throws KeyStoreException, NoSuchAlgorithmException,
24            CertificateException, IOException {
25        char[] password = "123456".toCharArray();
26        String fileName = System.getProperty("user.home") + File.separator + ".keystore";
27        FileInputStream fis = new FileInputStream(fileName);
28        KeyStore ks = KeyStore.getInstance("jceks");
29        ks.load(fis, password);
30        KeyGenerator kg = KeyGenerator.getInstance("DES");
31        SecretKey key = kg.generateKey();
32
33        ks.setKeyEntry("myKeyEntry", key, password, null);
34
35        FileOutputStream fos = new FileOutputStream(fileName);
36        ks.store(fos, password);
37        System.out.println("store key in " + fileName);
38    }
39
40}