/**
* Constructor for a holder for an v2 attribute certificate. *
*
* @param seq The ASN.1 sequence.
*/
private Holder(
Asn1Sequence seq)
{
if (seq.Count > 3)
{
throw new ArgumentException("Bad sequence size: " + seq.Count);
}
for (int i = 0; i != seq.Count; i++)
{
Asn1TaggedObject tObj = Asn1TaggedObject.GetInstance(seq[i]);
switch (tObj.TagNo)
{
case 0:
baseCertificateID = IssuerSerial.GetInstance(tObj, false);
break;
case 1:
entityName = GeneralNames.GetInstance(tObj, false);
break;
case 2:
objectDigestInfo = ObjectDigestInfo.GetInstance(tObj, false);
break;
default:
throw new ArgumentException("unknown tag in Holder");
}
}
this.version = 1;
}
/**
* Constructs a holder from a IssuerSerial.
* @param baseCertificateID The IssuerSerial.
* @param version The version of the attribute certificate.
*/
public Holder(
IssuerSerial baseCertificateID,
int version)
{
this.baseCertificateID = baseCertificateID;
this.version = version;
}
private V2Form(
Asn1Sequence seq)
{
if (seq.Count > 3)
{
throw new ArgumentException("Bad sequence size: " + seq.Count);
}
int index = 0;
if (!(seq[0] is Asn1TaggedObject))
{
index++;
this.issuerName = GeneralNames.GetInstance(seq[0]);
}
for (int i = index; i != seq.Count; i++)
{
Asn1TaggedObject o = Asn1TaggedObject.GetInstance(seq[i]);
if (o.TagNo == 0)
{
baseCertificateID = IssuerSerial.GetInstance(o, false);
}
else if (o.TagNo == 1)
{
objectDigestInfo = ObjectDigestInfo.GetInstance(o, false);
}
else
{
throw new ArgumentException("Bad tag number: " + o.TagNo);
}
}
}
/**
* Constructor for a holder for an v1 attribute certificate.
*
* @param tagObj The ASN.1 tagged holder object.
*/
public Holder(
Asn1TaggedObject tagObj)
{
switch (tagObj.TagNo)
{
case 0:
baseCertificateID = IssuerSerial.GetInstance(tagObj, false);
break;
case 1:
entityName = GeneralNames.GetInstance(tagObj, false);
break;
default:
throw new ArgumentException("unknown tag in Holder");
}
this.version = 0;
}
public Holder(
IssuerSerial baseCertificateID)
: this(baseCertificateID, 1)
{
}