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The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls. This jar contains APIs for JDK 1.4.

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package org.bouncycastle.asn1.isismtt.x509;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1PrintableString;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERPrintableString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x500.DirectoryString;
import org.bouncycastle.asn1.x509.GeneralName;
import org.bouncycastle.asn1.x509.IssuerSerial;

/**
 * Attribute to indicate that the certificate holder may sign in the name of a
 * third person.
 * 
 * ISIS-MTT PROFILE: The corresponding ProcurationSyntax contains either the
 * name of the person who is represented (subcomponent thirdPerson) or a
 * reference to his/her base certificate (in the component signingFor,
 * subcomponent certRef), furthermore the optional components country and
 * typeSubstitution to indicate the country whose laws apply, and respectively
 * the type of procuration (e.g. manager, procuration, custody).
 * 

 * ISIS-MTT PROFILE: The GeneralName MUST be of type directoryName and MAY only
 * contain: - RFC3039 attributes, except pseudonym (countryName, commonName,
 * surname, givenName, serialNumber, organizationName, organizationalUnitName,
 * stateOrProvincename, localityName, postalAddress) and - SubjectDirectoryName
 * attributes (title, dateOfBirth, placeOfBirth, gender, countryOfCitizenship,
 * countryOfResidence and NameAtBirth).
 * 
 *  
 *               ProcurationSyntax ::= SEQUENCE {
 *                 country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL,
 *                 typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL,
 *                 signingFor [3] EXPLICIT SigningFor 
 *               }
 *               
 *               SigningFor ::= CHOICE 
 *               { 
 *                 thirdPerson GeneralName,
 *                 certRef IssuerSerial 
 *               }
 *


 * 
 */
public class ProcurationSyntax
    extends ASN1Object
{
    private String country;
    private DirectoryString typeOfSubstitution;

    private GeneralName thirdPerson;
    private IssuerSerial certRef;

    public static ProcurationSyntax getInstance(Object obj)
    {
        if (obj == null || obj instanceof ProcurationSyntax)
        {
            return (ProcurationSyntax)obj;
        }

        if (obj instanceof ASN1Sequence)
        {
            return new ProcurationSyntax((ASN1Sequence)obj);
        }

        throw new IllegalArgumentException("illegal object in getInstance: "
            + obj.getClass().getName());
    }

    /**
     * Constructor from ASN1Sequence.
     * 
     * The sequence is of type ProcurationSyntax:
     *  
     *               ProcurationSyntax ::= SEQUENCE {
     *                 country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL,
     *                 typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL,
     *                 signingFor [3] EXPLICIT SigningFor
     *               }
     *
     *               SigningFor ::= CHOICE
     *               {
     *                 thirdPerson GeneralName,
     *                 certRef IssuerSerial
     *               }
     * 
     * 
     * @param seq The ASN.1 sequence.
     */
    private ProcurationSyntax(ASN1Sequence seq)
    {
        if (seq.size() < 1 || seq.size() > 3)
        {
            throw new IllegalArgumentException("Bad sequence size: " + seq.size());
        }
        Enumeration e = seq.getObjects();

        while (e.hasMoreElements())
        {
            ASN1TaggedObject o = ASN1TaggedObject.getInstance(e.nextElement());
            switch (o.getTagNo())
            {
                case 1:
                    country = ASN1PrintableString.getInstance(o, true).getString();
                    break;
                case 2:
                    typeOfSubstitution = DirectoryString.getInstance(o, true);
                    break;
                case 3:
                    ASN1Encodable signingFor = o.getObject();
                    if (signingFor instanceof ASN1TaggedObject)
                    {
                        thirdPerson = GeneralName.getInstance(signingFor);
                    }
                    else
                    {
                        certRef = IssuerSerial.getInstance(signingFor);
                    }
                    break;
                default:
                    throw new IllegalArgumentException("Bad tag number: " + o.getTagNo());
            }
        }
    }

    /**
     * Constructor from a given details.
     *

* Either generalName or certRef MUST be * null. * * @param country The country code whose laws apply. * @param typeOfSubstitution The type of procuration. * @param certRef Reference to certificate of the person who is represented. */ public ProcurationSyntax( String country, DirectoryString typeOfSubstitution, IssuerSerial certRef) { this.country = country; this.typeOfSubstitution = typeOfSubstitution; this.thirdPerson = null; this.certRef = certRef; } /** * Constructor from a given details. *

* Either generalName or certRef MUST be * null. * * @param country The country code whose laws apply. * @param typeOfSubstitution The type of procuration. * @param thirdPerson The GeneralName of the person who is represented. */ public ProcurationSyntax( String country, DirectoryString typeOfSubstitution, GeneralName thirdPerson) { this.country = country; this.typeOfSubstitution = typeOfSubstitution; this.thirdPerson = thirdPerson; this.certRef = null; } public String getCountry() { return country; } public DirectoryString getTypeOfSubstitution() { return typeOfSubstitution; } public GeneralName getThirdPerson() { return thirdPerson; } public IssuerSerial getCertRef() { return certRef; } /** * Produce an object suitable for an ASN1OutputStream. *

* Returns: * * ProcurationSyntax ::= SEQUENCE { * country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL, * typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL, * signingFor [3] EXPLICIT SigningFor * } * * SigningFor ::= CHOICE * { * thirdPerson GeneralName, * certRef IssuerSerial * } * * * @return a DERObject */ public ASN1Primitive toASN1Primitive() { ASN1EncodableVector vec = new ASN1EncodableVector(3); if (country != null) { vec.add(new DERTaggedObject(true, 1, new DERPrintableString(country, true))); } if (typeOfSubstitution != null) { vec.add(new DERTaggedObject(true, 2, typeOfSubstitution)); } if (thirdPerson != null) { vec.add(new DERTaggedObject(true, 3, thirdPerson)); } else { vec.add(new DERTaggedObject(true, 3, certRef)); } return new DERSequence(vec); } }