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/*
* Copyright (c) 2021, 2022, 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 8259401 8266225 8267319
* @summary Check certificates in signer's cert chain to see if warning emitted
* @library /test/lib
*/
import jdk.test.lib.SecurityTools;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.util.JarUtils;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
public class CheckSignerCertChain {
private static final String JAVA_SECURITY_FILE = "java.security";
private static final String keysizeOpt = "-keysize 2048";
static OutputAnalyzer kt(String cmd, String ks) throws Exception {
return SecurityTools.keytool("-storepass changeit " + cmd +
" -keystore " + ks);
}
static void gencert(String owner, String cmd) throws Exception {
kt("-certreq -alias " + owner + " -file tmp.req", "ks");
kt("-gencert -infile tmp.req -outfile tmp.cert " + cmd, "ks");
kt("-importcert -alias " + owner + " -file tmp.cert", "ks");
}
public static void main(String[] args) throws Exception {
// root certificate using SHA1withRSA and 1024-bit key
System.out.println("Generating a root cert using SHA1withRSA and 1024-bit key");
kt("-genkeypair -keyalg rsa -alias ca -dname CN=CA -ext bc:c " +
"-keysize 1024 -sigalg SHA1withRSA", "ks");
kt("-genkeypair -keyalg rsa -alias ca1 -dname CN=CA1 " + keysizeOpt,
"ks");
kt("-genkeypair -keyalg rsa -alias e1 -dname CN=E1 " + keysizeOpt,
"ks");
// intermediate certificate using SHA1withRSA and 2048-bit key
System.out.println("Generating an intermediate cert using SHA1withRSA and 2048-bit key");
gencert("ca1", "-alias ca -ext san=dns:ca1 -ext bc:c " +
"-sigalg SHA1withRSA ");
// end entity certificate using SHA256withRSA and 2048-bit key
System.out.println("Generating an end entity cert using SHA256withRSA and 2048-bit key");
gencert("e1", "-alias ca1 -ext san=dns:e1 ");
JarUtils.createJarFile(Path.of("a.jar"), Path.of("."), Path.of("ks"));
SecurityTools.jarsigner("-keystore ks -storepass changeit " +
"-signedjar signeda.jar " +
"-sigalg SHA256withRSA " +
"-verbose" +
" a.jar e1")
.shouldContain("Signature algorithm: SHA1withRSA (disabled), 2048-bit key")
// For trusted cert, warning should be generated for its weak 1024-bit
// key, but not for its SHA1withRSA algorithm.
.shouldContain("Signature algorithm: SHA1withRSA, 1024-bit key (weak)")
.shouldHaveExitValue(0);
kt("-exportcert -alias ca -rfc -file cacert", "ks");
kt("-importcert -noprompt -file cacert", "caks");
SecurityTools.jarsigner("-verify -certs signeda.jar " +
"-keystore caks -storepass changeit -verbose -debug")
.shouldContain("Signature algorithm: SHA1withRSA (disabled), 2048-bit key")
// For trusted cert, warning should be generated for its weak 1024-bit
// key, but not for its SHA1withRSA algorithm.
.shouldContain("Signature algorithm: SHA1withRSA, 1024-bit key (weak)")
.shouldHaveExitValue(0);
/*
* Generate a non-self-signed certificate using MD5withRSA as its signature
* algorithm to sign a JAR file.
*/
kt("-genkeypair -keyalg rsa -alias cacert -dname CN=CACERT -ext bc:c "
+ keysizeOpt, "ks");
kt("-genkeypair -keyalg rsa -alias ee -dname CN=EE -ext bc:c "
+ keysizeOpt, "ks");
gencert("ee", "-alias cacert -ext san=dns:ee -sigalg MD5withRSA");
Files.writeString(Files.createFile(Paths.get(JAVA_SECURITY_FILE)),
"jdk.certpath.disabledAlgorithms=\n" +
"jdk.jar.disabledAlgorithms=MD5\n");
SecurityTools.jarsigner("-keystore ks -storepass changeit " +
"-signedjar signeda.jar " +
"-verbose " +
"-J-Djava.security.properties=" +
JAVA_SECURITY_FILE +
" a.jar ee")
.shouldNotContain("Signature algorithm: MD5withRSA (disabled), 2048-bit key")
.shouldContain("Signature algorithm: SHA384withRSA, 2048-bit key")
.shouldNotContain("Invalid certificate chain: Algorithm constraints check failed on signature algorithm: MD5withRSA")
.shouldHaveExitValue(0);
Files.deleteIfExists(Paths.get(JAVA_SECURITY_FILE));
Files.writeString(Files.createFile(Paths.get(JAVA_SECURITY_FILE)),
"jdk.certpath.disabledAlgorithms=MD5\n" +
"jdk.jar.disabledAlgorithms=\n");
SecurityTools.jarsigner("-keystore ks -storepass changeit " +
"-signedjar signeda.jar " +
"-verbose " +
"-J-Djava.security.properties=" +
JAVA_SECURITY_FILE +
" a.jar ee")
.shouldContain("Signature algorithm: MD5withRSA (disabled), 2048-bit key")
.shouldContain("Signature algorithm: SHA384withRSA, 2048-bit key")
.shouldContain("Invalid certificate chain: Algorithm constraints check failed on disabled algorithm: MD5 used with certificate: CN=EE")
.shouldHaveExitValue(0);
kt("-exportcert -alias cacert -rfc -file cacert", "ks");
kt("-importcert -noprompt -file cacert", "caks1");
SecurityTools.jarsigner("-verify -certs signeda.jar " +
"-keystore caks1 -storepass changeit -verbose -debug")
.shouldContain("Signature algorithm: MD5withRSA (disabled), 2048-bit key")
.shouldContain("Signature algorithm: SHA384withRSA, 2048-bit key")
.shouldContain("Invalid certificate chain: Algorithm constraints check failed on disabled algorithm: MD5 used with certificate: CN=EE")
.shouldHaveExitValue(0);
}
}
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