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Merge pull request #1928 from SAP/pr-jdk-11.0.27+2
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src/java.base/share/classes/sun/security/validator/CamerfirmaTLSPolicy.java
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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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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. | ||
| */ | ||
| package sun.security.validator; | ||
|
|
||
| import java.security.cert.X509Certificate; | ||
| import java.time.LocalDate; | ||
| import java.time.Month; | ||
| import java.time.ZoneOffset; | ||
| import java.util.Date; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
|
|
||
| import sun.security.util.Debug; | ||
| import sun.security.x509.X509CertImpl; | ||
|
|
||
| /** | ||
| * This class checks if Camerfirma issued TLS Server certificates should be | ||
| * restricted. | ||
| */ | ||
| final class CamerfirmaTLSPolicy { | ||
|
|
||
| private static final Debug debug = Debug.getInstance("certpath"); | ||
|
|
||
| // SHA-256 certificate fingerprints of distrusted roots | ||
| private static final Set<String> FINGERPRINTS = Set.of( | ||
| // cacerts alias: camerfirmachamberscommerceca | ||
| // DN: CN=Chambers of Commerce Root, | ||
| // OU=http://www.chambersign.org, | ||
| // O=AC Camerfirma SA CIF A82743287, C=EU | ||
| "0C258A12A5674AEF25F28BA7DCFAECEEA348E541E6F5CC4EE63B71B361606AC3", | ||
| // cacerts alias: camerfirmachambersca | ||
| // DN: CN=Chambers of Commerce Root - 2008, | ||
| // O=AC Camerfirma S.A., SERIALNUMBER=A82743287, | ||
| // L=Madrid (see current address at www.camerfirma.com/address), | ||
| // C=EU | ||
| "063E4AFAC491DFD332F3089B8542E94617D893D7FE944E10A7937EE29D9693C0", | ||
| // cacerts alias: camerfirmachambersignca | ||
| // DN: CN=Global Chambersign Root - 2008, | ||
| // O=AC Camerfirma S.A., SERIALNUMBER=A82743287, | ||
| // L=Madrid (see current address at www.camerfirma.com/address), | ||
| // C=EU | ||
| "136335439334A7698016A0D324DE72284E079D7B5220BB8FBD747816EEBEBACA" | ||
| ); | ||
|
|
||
| // Any TLS Server certificate that is anchored by one of the Camerfirma | ||
| // roots above and is issued after this date will be distrusted. | ||
| private static final LocalDate APRIL_15_2025 = | ||
| LocalDate.of(2025, Month.APRIL, 15); | ||
|
|
||
| /** | ||
| * This method assumes the eeCert is a TLS Server Cert and chains back to | ||
| * the anchor. | ||
| * | ||
| * @param chain the end-entity's certificate chain. The end entity cert | ||
| * is at index 0, the trust anchor at index n-1. | ||
| * @throws ValidatorException if the certificate is distrusted | ||
| */ | ||
| static void checkDistrust(X509Certificate[] chain) | ||
| throws ValidatorException { | ||
| X509Certificate anchor = chain[chain.length-1]; | ||
| String fp = fingerprint(anchor); | ||
| if (fp == null) { | ||
| throw new ValidatorException("Cannot generate fingerprint for " | ||
| + "trust anchor of TLS server certificate"); | ||
| } | ||
| if (FINGERPRINTS.contains(fp)) { | ||
| Date notBefore = chain[0].getNotBefore(); | ||
| LocalDate ldNotBefore = LocalDate.ofInstant(notBefore.toInstant(), | ||
| ZoneOffset.UTC); | ||
| // reject if certificate is issued after April 15, 2025 | ||
| checkNotBefore(ldNotBefore, APRIL_15_2025, anchor); | ||
| } | ||
| } | ||
|
|
||
| private static String fingerprint(X509Certificate cert) { | ||
| return X509CertImpl.getFingerprint("SHA-256", cert); | ||
| } | ||
|
|
||
| private static void checkNotBefore(LocalDate notBeforeDate, | ||
| LocalDate distrustDate, X509Certificate anchor) | ||
| throws ValidatorException { | ||
| if (notBeforeDate.isAfter(distrustDate)) { | ||
| throw new ValidatorException | ||
| ("TLS Server certificate issued after " + distrustDate + | ||
| " and anchored by a distrusted legacy Camerfirma root CA: " | ||
| + anchor.getSubjectX500Principal(), | ||
| ValidatorException.T_UNTRUSTED_CERT, anchor); | ||
| } | ||
| } | ||
|
|
||
| private CamerfirmaTLSPolicy() {} | ||
| } |
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