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* Copyright ( c ) 2013 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ bug 8005408
* @ summary KeyStore API enhancements
*/
import java.io.*;
import java.security.*;
import java.util.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.security.spec.InvalidKeySpecException;
// Store a password in a keystore and retrieve it again.
public class StorePasswordTest {
private final static String DIR = System.getProperty("test.src" , "." );
private static final char [] PASSWORD = "passphrase" .toCharArray();
private static final String KEYSTORE = "pwdstore.p12" ;
private static final String ALIAS = "my password" ;
private static final String USER_PASSWORD = "hello1" ;
public static void main(String[] args) throws Exception {
new File(KEYSTORE).delete ();
KeyStore keystore = KeyStore.getInstance("PKCS12" );
keystore.load(null , null );
// Set entry
Set<KeyStore.Entry.Attribute> attrs = new HashSet<>();
attrs.add(new PKCS12Attribute("1.3.5.7.9" , "printable1" ));
attrs.add(new PKCS12Attribute("2.4.6.8.10" , "1F:2F:3F:4F:5F" ));
int originalAttrCount = attrs.size() + 2 ;
keystore.setEntry(ALIAS,
new KeyStore.SecretKeyEntry(convertPassword(USER_PASSWORD), attrs),
new KeyStore.PasswordProtection(PASSWORD));
try (FileOutputStream outStream = new FileOutputStream(KEYSTORE)) {
System.out.println("Storing keystore to: " + KEYSTORE);
keystore.store(outStream, PASSWORD);
}
try (FileInputStream inStream = new FileInputStream(KEYSTORE)) {
System.out.println("Loading keystore from: " + KEYSTORE);
keystore.load(inStream, PASSWORD);
System.out.println("Loaded keystore with " + keystore.size() +
" entries" );
}
KeyStore.Entry entry = keystore.getEntry(ALIAS,
new KeyStore.PasswordProtection(PASSWORD));
int attrCount = entry.getAttributes().size();
System.out.println("Retrieved entry with " + attrCount + " attrs: " +
entry);
if (attrCount != originalAttrCount) {
throw new Exception("Failed to recover all the entry attributes" );
}
SecretKey key = (SecretKey) keystore.getKey(ALIAS, PASSWORD);
SecretKeyFactory factory =
SecretKeyFactory.getInstance(key.getAlgorithm());
PBEKeySpec keySpec =
(PBEKeySpec) factory.getKeySpec(key, PBEKeySpec.class );
char [] pwd = keySpec.getPassword();
System.out.println("Recovered credential: " + new String(pwd));
if (!Arrays.equals(USER_PASSWORD.toCharArray(), pwd)) {
throw new Exception("Failed to recover the stored password" );
}
}
private static SecretKey convertPassword(String password)
throws NoSuchAlgorithmException, InvalidKeySpecException {
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBE" );
return factory.generateSecret(new PBEKeySpec(password.toCharArray()));
}
}
Messung V0.5 in Prozent C=94 H=82 G=88
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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