public SignerInfo(
ASN1Sequence seq)
{
IEnumerator e = seq.getObjects();
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;
}