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*
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/*
* @ test
* @ bug 6561126 8267319
* @ modules jdk . jartool / jdk . security . jarsigner
* @ summary keytool should use larger default keysize for keypairs
* @ library / test / lib
*/
import jdk.test.lib.Asserts;
import jdk.test.lib.SecurityTools;
import jdk.test.lib.util.JarUtils;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import jdk.security.jarsigner.JarSigner;
public class NewSize7 {
private static final String DEF_DIGEST_ALGO =
JarSigner.Builder.getDefaultDigestAlgorithm();
public static void main(String[] args) throws Exception {
String common = "-storepass changeit -keypass changeit -keystore ks " ;
SecurityTools.keytool(common
+ "-keyalg rsa -genkeypair -alias me -dname CN=Me" );
Files.write(Path.of("ns7.txt" ), new byte [0 ]);
JarUtils.createJarFile(Path.of("ns7.jar" ), Path.of("." ),
Path.of("ns7.txt" ));
SecurityTools.jarsigner(common + "ns7.jar me" );
try (JarFile jf = new JarFile("ns7.jar" )) {
try (InputStream is = jf.getInputStream(
jf.getEntry("META-INF/MANIFEST.MF" ))) {
Asserts.assertTrue(new Manifest(is).getAttributes("ns7.txt" )
.keySet().stream()
.anyMatch(s -> s.toString().contains(DEF_DIGEST_ALGO)));
}
try (InputStream is = jf.getInputStream(
jf.getEntry("META-INF/ME.SF" ))) {
Asserts.assertTrue(new Manifest(is).getAttributes("ns7.txt" )
.keySet().stream()
.anyMatch(s -> s.toString().contains(DEF_DIGEST_ALGO)));
}
}
}
}
Messung V0.5 in Prozent C=76 H=99 G=88
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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