package org.bouncycastle.asn1.x9;

import java.util.Enumeration;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;

ANS.1 def for Diffie-Hellman key exchange OtherInfo structure. See RFC 2631, or X9.42, for further details.
/** * ANS.1 def for Diffie-Hellman key exchange OtherInfo structure. See * RFC 2631, or X9.42, for further details. */
public class OtherInfo extends ASN1Encodable { private KeySpecificInfo keyInfo; private ASN1OctetString partyAInfo; private ASN1OctetString suppPubInfo; public OtherInfo( KeySpecificInfo keyInfo, ASN1OctetString partyAInfo, ASN1OctetString suppPubInfo) { this.keyInfo = keyInfo; this.partyAInfo = partyAInfo; this.suppPubInfo = suppPubInfo; } public OtherInfo( ASN1Sequence seq) { Enumeration e = seq.getObjects(); keyInfo = new KeySpecificInfo((ASN1Sequence)e.nextElement()); while (e.hasMoreElements()) { DERTaggedObject o = (DERTaggedObject)e.nextElement(); if (o.getTagNo() == 0) { partyAInfo = (ASN1OctetString)o.getObject(); } else if (o.getTagNo() == 2) { suppPubInfo = (ASN1OctetString)o.getObject(); } } } public KeySpecificInfo getKeyInfo() { return keyInfo; } public ASN1OctetString getPartyAInfo() { return partyAInfo; } public ASN1OctetString getSuppPubInfo() { return suppPubInfo; }
Produce an object suitable for an ASN1OutputStream.
 OtherInfo ::= SEQUENCE {
     keyInfo KeySpecificInfo,
     partyAInfo [0] OCTET STRING OPTIONAL,
     suppPubInfo [2] OCTET STRING
 }
/** * Produce an object suitable for an ASN1OutputStream. * <pre> * OtherInfo ::= SEQUENCE { * keyInfo KeySpecificInfo, * partyAInfo [0] OCTET STRING OPTIONAL, * suppPubInfo [2] OCTET STRING * } * </pre> */
public DERObject toASN1Object() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(keyInfo); if (partyAInfo != null) { v.add(new DERTaggedObject(0, partyAInfo)); } v.add(new DERTaggedObject(2, suppPubInfo)); return new DERSequence(v); } }