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/*
* Copyright (c) 2025, 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 8349583
* @summary Add mechanism to disable signature schemes based on their TLS scope.
* This test only covers TLS 1.2.
* @library /javax/net/ssl/templates
* /test/lib
* @run main/othervm DisableSignatureSchemePerScopeTLS12
*/
import static jdk.test.lib.Asserts.assertFalse;
import static jdk.test.lib.Asserts.assertTrue;
import java.security.Security;
import java.util.List;
public class DisableSignatureSchemePerScopeTLS12 extends
AbstractCheckSignatureSchemes {
// Disabled for Handshake scope.
protected static final String HANDSHAKE_DISABLED_SIG = "rsa_pss_rsae_sha384";
// Disabled for Certificate scope.
protected static final String CERTIFICATE_DISABLED_SIG = "ecdsa_secp384r1_sha384";
// jdk.tls.disabledAlgorithms value
// We differ from "HandshakeSignature" and "CertificateSignature" specified
// in java.security to check case-insensitive matching.
protected static final String DISABLED_CONSTRAINTS =
HANDSHAKE_DISABLED_SIG + " usage HandShakesignature, "
+ CERTIFICATE_DISABLED_SIG + " usage certificateSignature";
protected DisableSignatureSchemePerScopeTLS12() throws Exception {
super();
}
public static void main(String[] args) throws Exception {
Security.setProperty(
"jdk.tls.disabledAlgorithms", DISABLED_CONSTRAINTS);
new DisableSignatureSchemePerScopeTLS12().run();
}
protected String getProtocol() {
return "TLSv1.2";
}
// Run things in TLS handshake order.
protected void run() throws Exception {
// Produce client_hello
clientEngine.wrap(clientOut, cTOs);
cTOs.flip();
checkClientHello();
// Consume client_hello.
serverEngine.unwrap(cTOs, serverIn);
runDelegatedTasks(serverEngine);
// Produce server_hello.
serverEngine.wrap(serverOut, sTOc);
sTOc.flip();
checkCertificateRequest();
}
protected void checkClientHello() throws Exception {
// --- Check signature_algorithms extension ---
// Get signature_algorithms extension signature schemes.
List<String> sigAlgsSS = getSigSchemesCliHello(
extractHandshakeMsg(cTOs, TLS_HS_CLI_HELLO),
SIG_ALGS_EXT);
// signature_algorithms extension MUST NOT contain disabled
// handshake signature scheme.
assertFalse(sigAlgsSS.contains(HANDSHAKE_DISABLED_SIG),
"Signature Scheme " + HANDSHAKE_DISABLED_SIG
+ " present in ClientHello's signature_algorithms extension");
// signature_algorithms extension MUST contain disabled
// certificate signature scheme.
assertTrue(sigAlgsSS.contains(CERTIFICATE_DISABLED_SIG),
"Signature Scheme " + CERTIFICATE_DISABLED_SIG
+ " isn't present in ClientHello's"
+ " signature_algorithms extension");
// --- Check signature_algorithms_cert extension ---
// Get signature_algorithms_cert extension signature schemes.
List<String> sigAlgsCertSS = getSigSchemesCliHello(
extractHandshakeMsg(cTOs, TLS_HS_CLI_HELLO),
SIG_ALGS_CERT_EXT);
// signature_algorithms_cert extension MUST contain disabled
// handshake signature scheme.
assertTrue(sigAlgsCertSS.contains(HANDSHAKE_DISABLED_SIG),
"Signature Scheme " + HANDSHAKE_DISABLED_SIG
+ " isn't present in ClientHello's"
+ " signature_algorithms extension");
// signature_algorithms_cert extension MUST NOT contain disabled
// certificate signature scheme.
assertFalse(sigAlgsCertSS.contains(CERTIFICATE_DISABLED_SIG),
"Signature Scheme " + CERTIFICATE_DISABLED_SIG
+ " present in ClientHello's signature_algorithms extension");
}
protected void checkCertificateRequest() throws Exception {
// Get CertificateRequest message signature schemes.
List<String> sigAlgsCertSS = getSigSchemesCertReq(
extractHandshakeMsg(sTOc, TLS_HS_CERT_REQ));
// TLSv1.2 CertificateRequest message MUST NOT contain both:
// disabled handshake signature scheme and disabled
// certificate signature scheme
assertFalse(sigAlgsCertSS.contains(HANDSHAKE_DISABLED_SIG),
"Signature Scheme " + HANDSHAKE_DISABLED_SIG
+ " present in CertificateRequest");
assertFalse(sigAlgsCertSS.contains(CERTIFICATE_DISABLED_SIG),
"Signature Scheme " + CERTIFICATE_DISABLED_SIG
+ " present in CertificateRequest");
}
}
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