OtherInfo.cs
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using System.Collections;
namespace Org.BouncyCastle.Asn1.X9
{
/**
* ANS.1 def for Diffie-Hellman key exchange OtherInfo structure. See
* RFC 2631, or X9.42, for further details.
*/
public class OtherInfo
: 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)
{
IEnumerator e = seq.GetEnumerator();
e.MoveNext();
keyInfo = new KeySpecificInfo((Asn1Sequence) e.Current);
while (e.MoveNext())
{
DerTaggedObject o = (DerTaggedObject) e.Current;
if (o.TagNo == 0)
{
partyAInfo = (Asn1OctetString) o.GetObject();
}
else if ((int) o.TagNo == 2)
{
suppPubInfo = (Asn1OctetString) o.GetObject();
}
}
}
public KeySpecificInfo KeyInfo
{
get { return keyInfo; }
}
public Asn1OctetString PartyAInfo
{
get { return partyAInfo; }
}
public Asn1OctetString SuppPubInfo
{
get { return suppPubInfo; }
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* OtherInfo ::= Sequence {
* keyInfo KeySpecificInfo,
* partyAInfo [0] OCTET STRING OPTIONAL,
* suppPubInfo [2] OCTET STRING
* }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(keyInfo);
if (partyAInfo != null)
{
v.Add(new DerTaggedObject(0, partyAInfo));
}
v.Add(new DerTaggedObject(2, suppPubInfo));
return new DerSequence(v);
}
}
}