public DERInteger getVersion()
{
if (info is ASN1TaggedObject)
{
ASN1TaggedObject o = (ASN1TaggedObject)info;
switch ((int)o.getTagNo())
{
case 1:
return(KeyAgreeRecipientInfo.getInstance(o, true).getVersion());
case 2:
return(KEKRecipientInfo.getInstance(o, true).getVersion());
case 3:
return(PasswordRecipientInfo.getInstance(o, true).getVersion());
case 4:
return(new DERInteger(0)); // no syntax version for OtherRecipientInfo
default:
throw new InvalidOperationException("unknown tag");
}
}
return(KeyTransRecipientInfo.getInstance(info).getVersion());
}
public ASN1Encodable getInfo()
{
if (info is ASN1TaggedObject)
{
ASN1TaggedObject o = (ASN1TaggedObject)info;
switch ((int)o.getTagNo())
{
case 1:
return(KeyAgreeRecipientInfo.getInstance(o, true));
case 2:
return(KEKRecipientInfo.getInstance(o, true));
case 3:
return(PasswordRecipientInfo.getInstance(o, true));
case 4:
return(OtherRecipientInfo.getInstance(o, true));
default:
throw new InvalidOperationException("unknown tag");
}
}
return(KeyTransRecipientInfo.getInstance(info));
}
public RecipientInfo(
KeyAgreeRecipientInfo info)
{
this.info = new DERTaggedObject(true, 1, info);
}