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The BSD License Copyright (c) 2010-2012 RIPE NCC All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of the RIPE NCC nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 package net.ripe.rpki.commons.crypto.x509cert;
 import static net.ripe.rpki.commons.validation.ValidationString.*;
 public abstract class X509CertificateParser<T extends AbstractX509CertificateWrapper> {
     private static final String[] ALLOWED_SIGNATURE_ALGORITHM_OIDS = {
     private byte[] encoded;
     protected X509Certificate certificate;
     protected ValidationResult result;
     public void parse(String locationbyte[] encoded) { // NOPMD - ArrayIsStoredDirectly
         parse(ValidationResult.withLocation(location), encoded);
     public void parse(ValidationResult validationResultbyte[] encoded) {
         this. = validationResult;
         this. = encoded;
         if (!.hasFailureForCurrentLocation()) {
     private void validatePublicKey() {
         PublicKey publicKey = .getPublicKey();
                 "RSA".equals(publicKey.getAlgorithm()) && publicKey instanceof RSAPublicKey,
         if (publicKey instanceof RSAPublicKey) {
             RSAPublicKey rsaPublicKey = (RSAPublicKeypublicKey;
             .warnIfFalse(2048 == rsaPublicKey.getModulus().bitLength(), , String.valueOf(rsaPublicKey.getModulus().bitLength()));
     protected void doTypeSpecificValidation() {
     public ValidationResult getValidationResult() {
         return ;
     public boolean isSuccess() {
         return !.hasFailures();
     public abstract T getCertificate();
    protected X509Certificate getX509Certificate() {
        return ;
    private void parse() {
        InputStream input = null;
        try {
            input = new ByteArrayInputStream();
            CertificateFactory factory = CertificateFactory.getInstance("X.509");
             = (X509Certificatefactory.generateCertificate(input);
        } catch (CertificateException e) {
             = null;
        } finally {
    private void validateSignatureAlgorithm() {
    protected boolean isResourceExtensionPresent() {
        if (.getCriticalExtensionOIDs() == null) {
            return false;
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