public SignerInfo(
Asn1Sequence seq)
{
IEnumerator e = seq.GetEnumerator();
e.MoveNext();
version = (DerInteger)e.Current;
e.MoveNext();
sid = SignerIdentifier.GetInstance(e.Current);
e.MoveNext();
digAlgorithm = AlgorithmIdentifier.GetInstance(e.Current);
e.MoveNext();
object obj = e.Current;
if (obj is Asn1TaggedObject)
{
authenticatedAttributes = Asn1Set.GetInstance((Asn1TaggedObject)obj, false);
e.MoveNext();
digEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(e.Current);
}
else
{
authenticatedAttributes = null;
digEncryptionAlgorithm = AlgorithmIdentifier.GetInstance(obj);
}
e.MoveNext();
encryptedDigest = DerOctetString.GetInstance(e.Current);
if (e.MoveNext())
{
unauthenticatedAttributes = Asn1Set.GetInstance((Asn1TaggedObject)e.Current, false);
}
else
{
unauthenticatedAttributes = null;
}
}
public SignerInfo(
SignerIdentifier sid,
AlgorithmIdentifier digAlgorithm,
Asn1Set authenticatedAttributes,
AlgorithmIdentifier digEncryptionAlgorithm,
Asn1OctetString encryptedDigest,
Asn1Set unauthenticatedAttributes)
{
if (sid.IsTagged)
{
this.version = new DerInteger(3);
}
else
{
this.version = new DerInteger(1);
}
this.sid = sid;
this.digAlgorithm = digAlgorithm;
this.authenticatedAttributes = authenticatedAttributes;
this.digEncryptionAlgorithm = digEncryptionAlgorithm;
this.encryptedDigest = encryptedDigest;
this.unauthenticatedAttributes = unauthenticatedAttributes;
}
