package org.bouncycastle.asn1.cms;

import org.bouncycastle.asn1.ASN1Choice;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DEREncodable;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERTaggedObject;

public class SignerIdentifier
    extends ASN1Encodable
    implements ASN1Choice
{
    private DEREncodable id;
    
    public SignerIdentifier(
        IssuerAndSerialNumber id)
    {
        this.id = id;
    }
    
    public SignerIdentifier(
        ASN1OctetString id)
    {
        this.id = new DERTaggedObject(false, 0, id);
    }
    
    public SignerIdentifier(
        DERObject id)
    {
        this.id = id;
    }
    
    
return a SignerIdentifier object from the given object.
Params:
  • o – the object we want converted.
Throws:
/** * return a SignerIdentifier object from the given object. * * @param o the object we want converted. * @exception IllegalArgumentException if the object cannot be converted. */
public static SignerIdentifier getInstance( Object o) { if (o == null || o instanceof SignerIdentifier) { return (SignerIdentifier)o; } if (o instanceof IssuerAndSerialNumber) { return new SignerIdentifier((IssuerAndSerialNumber)o); } if (o instanceof ASN1OctetString) { return new SignerIdentifier((ASN1OctetString)o); } if (o instanceof DERObject) { return new SignerIdentifier((DERObject)o); } throw new IllegalArgumentException( "Illegal object in SignerIdentifier: " + o.getClass().getName()); } public boolean isTagged() { return (id instanceof ASN1TaggedObject); } public DEREncodable getId() { if (id instanceof ASN1TaggedObject) { return ASN1OctetString.getInstance((ASN1TaggedObject)id, false); } return id; }
Produce an object suitable for an ASN1OutputStream.
SignerIdentifier ::= CHOICE {
    issuerAndSerialNumber IssuerAndSerialNumber,
    subjectKeyIdentifier [0] SubjectKeyIdentifier 
}
SubjectKeyIdentifier ::= OCTET STRING
/** * Produce an object suitable for an ASN1OutputStream. * <pre> * SignerIdentifier ::= CHOICE { * issuerAndSerialNumber IssuerAndSerialNumber, * subjectKeyIdentifier [0] SubjectKeyIdentifier * } * * SubjectKeyIdentifier ::= OCTET STRING * </pre> */
public DERObject toASN1Object() { return id.getDERObject(); } }