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package org.spongycastle.asn1.isismtt.x509;
import java.util.Enumeration;
import org.spongycastle.asn1.ASN1Encodable;
import org.spongycastle.asn1.ASN1EncodableVector;
import org.spongycastle.asn1.ASN1Object;
import org.spongycastle.asn1.ASN1Primitive;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.ASN1TaggedObject;
import org.spongycastle.asn1.DERPrintableString;
import org.spongycastle.asn1.DERSequence;
import org.spongycastle.asn1.DERTaggedObject;
import org.spongycastle.asn1.x500.DirectoryString;
import org.spongycastle.asn1.x509.GeneralName;
import org.spongycastle.asn1.x509.IssuerSerial;
/**
* Attribute to indicate that the certificate holder may sign in the name of a
* third person.
* <p>
* 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).
* <p>
* 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).
*
* <pre>
* 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
* }
* </pre>
*
*/
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.
* <p/>
* The sequence is of type ProcurationSyntax:
* <p/>
* <pre>
* ProcurationSyntax ::= SEQUENCE {
* country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL,
* typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL,
* signingFor [3] EXPLICIT SigningFor
* }
* <p/>
* SigningFor ::= CHOICE
* {
* thirdPerson GeneralName,
* certRef IssuerSerial
* }
* </pre>
*
* @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 = DERPrintableString.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.
* <p/>
* <p/>
* Either <code>generalName</code> or <code>certRef</code> MUST be
* <code>null</code>.
*
* @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.
* <p/>
* <p/>
* Either <code>generalName</code> or <code>certRef</code> MUST be
* <code>null</code>.
*
* @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.
* <p/>
* Returns:
* <p/>
* <pre>
* ProcurationSyntax ::= SEQUENCE {
* country [1] EXPLICIT PrintableString(SIZE(2)) OPTIONAL,
* typeOfSubstitution [2] EXPLICIT DirectoryString (SIZE(1..128)) OPTIONAL,
* signingFor [3] EXPLICIT SigningFor
* }
* <p/>
* SigningFor ::= CHOICE
* {
* thirdPerson GeneralName,
* certRef IssuerSerial
* }
* </pre>
*
* @return a DERObject
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector vec = new ASN1EncodableVector();
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);
}
}
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