/**
* return an KeyAgreeRecipientIdentifier object from the given object.
*
* @param obj the object we want converted.
* @exception ArgumentException if the object cannot be converted.
*/
public static KeyAgreeRecipientIdentifier GetInstance(
object obj)
{
if (obj == null || obj is KeyAgreeRecipientIdentifier)
{
return((KeyAgreeRecipientIdentifier)obj);
}
if (obj is Asn1Sequence)
{
return(new KeyAgreeRecipientIdentifier(IssuerAndSerialNumber.GetInstance(obj)));
}
if (obj is Asn1TaggedObject && ((Asn1TaggedObject)obj).TagNo == 0)
{
return(new KeyAgreeRecipientIdentifier(RecipientKeyIdentifier.GetInstance(
(Asn1TaggedObject)obj, false)));
}
throw new ArgumentException("Invalid KeyAgreeRecipientIdentifier: " + obj.GetType().FullName, "obj");
}
public OriginatorIdentifierOrKey(
IssuerAndSerialNumber id)
{
this.id = id;
}
public SignerIdentifier(
IssuerAndSerialNumber id)
{
this.id = id;
}
public KeyAgreeRecipientIdentifier(
IssuerAndSerialNumber issuerSerial)
{
this.issuerSerial = issuerSerial;
}
public RecipientIdentifier(
IssuerAndSerialNumber id)
{
this.id = id;
}