/**
* Constructor from Asn1Sequence.
* <p/>
* The sequence is of type CertificatePair:
* <p/>
* <pre>
* CertificatePair ::= SEQUENCE {
* forward [0] Certificate OPTIONAL,
* reverse [1] Certificate OPTIONAL,
* -- at least one of the pair shall be present -- }
* </pre>
*
* @param seq The ASN.1 sequence.
*/
private CertificatePair(
Asn1Sequence seq)
{
if (seq.Count != 1 && seq.Count != 2)
{
throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
}
foreach (object obj in seq)
{
Asn1TaggedObject o = Asn1TaggedObject.GetInstance(obj);
if (o.TagNo == 0)
{
forward = X509CertificateStructure.GetInstance(o, true);
}
else if (o.TagNo == 1)
{
reverse = X509CertificateStructure.GetInstance(o, true);
}
else
{
throw new ArgumentException("Bad tag number: " + o.TagNo);
}
}
}
