/*
* Copyright ( c ) 2003 , 2020 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* 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 .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/*
* @ test
* @ bug 4856966
* @ summary Test signing / verifying using all the signature algorithms
* @ author Andreas Sterbenz
* @ library / test / lib . .
* @ key randomness
* @ modules jdk . crypto . cryptoki
* @ run main / othervm TestSignatures
* @ run main / othervm - Djava . security . manager = allow TestSignatures sm rsakeys . ks . policy
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.security.KeyFactory;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.Provider;
import java.security.PublicKey;
import java.security.Signature;
import java.security.interfaces.RSAPublicKey;
import java.util.Enumeration;
import java.util.Random;
public class TestSignatures extends PKCS11Test {
private static final char [] password = "test12" .toCharArray();
private static Provider provider;
private static byte [] data;
static KeyStore getKeyStore() throws Exception {
KeyStore ks;
try (InputStream in = new FileInputStream(new File(BASE, "rsakeys.ks" ))) {
ks = KeyStore.getInstance("JKS" );
ks.load(in, password);
}
return ks;
}
private static void testSignature(String algorithm, PrivateKey privateKey,
PublicKey publicKey) throws Exception {
System.out.println("Testing " + algorithm + "..." );
Signature s = Signature.getInstance(algorithm, provider);
s.initSign(privateKey);
s.update(data);
byte [] sig = s.sign();
s.initVerify(publicKey);
s.update(data);
boolean result;
result = s.verify(sig);
if (result == false ) {
throw new Exception("Verification 1 failed" );
}
s.update(data);
result = s.verify(sig);
if (result == false ) {
throw new Exception("Verification 2 failed" );
}
result = s.verify(sig);
if (result == true ) {
throw new Exception("Verification 3 succeeded" );
}
}
private static void test(PrivateKey privateKey, PublicKey publicKey)
throws Exception {
testSignature("MD2withRSA" , privateKey, publicKey);
testSignature("MD5withRSA" , privateKey, publicKey);
testSignature("SHA1withRSA" , privateKey, publicKey);
testSignature("SHA224withRSA" , privateKey, publicKey);
testSignature("SHA256withRSA" , privateKey, publicKey);
RSAPublicKey rsaKey = (RSAPublicKey)publicKey;
if (rsaKey.getModulus().bitLength() > 512 ) {
// for SHA384 and SHA512 the data is too long for 512 bit keys
testSignature("SHA384withRSA" , privateKey, publicKey);
testSignature("SHA512withRSA" , privateKey, publicKey);
}
}
public static void main(String[] args) throws Exception {
main(new TestSignatures(), args);
}
@Override
public void main(Provider p) throws Exception {
long start = System.currentTimeMillis();
provider = p;
data = new byte [2048 ];
new Random().nextBytes(data);
KeyStore ks = getKeyStore();
KeyFactory kf = KeyFactory.getInstance("RSA" , provider);
for (Enumeration e = ks.aliases(); e.hasMoreElements(); ) {
String alias = (String)e.nextElement();
if (ks.isKeyEntry(alias)) {
System.out.println("* Key " + alias + "..." );
PrivateKey privateKey = (PrivateKey)ks.getKey(alias, password);
PublicKey publicKey = ks.getCertificate(alias).getPublicKey();
privateKey = (PrivateKey)kf.translateKey(privateKey);
publicKey = (PublicKey)kf.translateKey(publicKey);
test(privateKey, publicKey);
}
}
long stop = System.currentTimeMillis();
System.out.println("All tests passed (" + (stop - start) + " ms)." );
}
}
Messung V0.5 in Prozent C=71 H=93 G=82
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-10-11)
¤
*© Formatika GbR, Deutschland