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X.509-Attacker is a tool based on ASN.1 Tool for creating arbitrary certificates; including especially invalid and malformed certificates. Since X.509 certificates encode their contents in ASN.1, this tool extends the features of ASN.1 Tool in terms of certificate signing. Also, X.509-Attacker introduces a feature of referencing XML elements in order to avoid redundancies when defining certificates in XML.

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/*
 * X.509-Attacker - A Library for Arbitrary X.509 Certificates
 *
 * Copyright 2014-2023 Ruhr University Bochum, Paderborn University, Technology Innovation Institute, and Hackmanit GmbH
 *
 * Licensed under Apache License, Version 2.0
 * http://www.apache.org/licenses/LICENSE-2.0.txt
 */
package de.rub.nds.x509attacker.x509.model;

import de.rub.nds.asn1.model.Asn1Integer;
import de.rub.nds.x509attacker.chooser.X509Chooser;
import de.rub.nds.x509attacker.constants.X509Version;
import de.rub.nds.x509attacker.x509.handler.VersionHandler;
import de.rub.nds.x509attacker.x509.handler.X509Handler;
import de.rub.nds.x509attacker.x509.parser.X509Asn1IntegerParser;
import de.rub.nds.x509attacker.x509.parser.X509Parser;
import de.rub.nds.x509attacker.x509.preparator.VersionPreparator;
import de.rub.nds.x509attacker.x509.preparator.X509Preparator;
import jakarta.xml.bind.annotation.XmlAccessType;
import jakarta.xml.bind.annotation.XmlAccessorType;
import jakarta.xml.bind.annotation.XmlRootElement;

/** Version ::= INTEGER {v1(0), v2(1), v3(2) } */
@XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class Version extends Asn1Integer implements X509Component {

    private Version() {
        super(null);
    }

    public Version(String identifier) {
        super(identifier);
    }

    public X509Version getVersion() {
        return X509Version.convert(getValue().getValue());
    }

    @Override
    public X509Handler getHandler(X509Chooser chooser) {
        return new VersionHandler(chooser, this);
    }

    @Override
    public X509Parser getParser(X509Chooser chooser) {
        return new X509Asn1IntegerParser(chooser, this);
    }

    @Override
    public X509Preparator getPreparator(X509Chooser chooser) {
        return new VersionPreparator(chooser, this);
    }
}