init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/X509/NameConstraints.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.X509;
+
+public class NameConstraints : Asn1Encodable
+{
+	private Asn1Sequence permitted;
+
+	private Asn1Sequence excluded;
+
+	public Asn1Sequence PermittedSubtrees => permitted;
+
+	public Asn1Sequence ExcludedSubtrees => excluded;
+
+	public static NameConstraints GetInstance(object obj)
+	{
+		if (obj == null || obj is NameConstraints)
+		{
+			return (NameConstraints)obj;
+		}
+		if (obj is Asn1Sequence)
+		{
+			return new NameConstraints((Asn1Sequence)obj);
+		}
+		throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
+	}
+
+	public NameConstraints(Asn1Sequence seq)
+	{
+		foreach (Asn1TaggedObject item in seq)
+		{
+			switch (item.TagNo)
+			{
+			case 0:
+				permitted = Asn1Sequence.GetInstance(item, explicitly: false);
+				break;
+			case 1:
+				excluded = Asn1Sequence.GetInstance(item, explicitly: false);
+				break;
+			}
+		}
+	}
+
+	public NameConstraints(ArrayList permitted, ArrayList excluded)
+		: this((IList)permitted, (IList)excluded)
+	{
+	}
+
+	public NameConstraints(IList permitted, IList excluded)
+	{
+		if (permitted != null)
+		{
+			this.permitted = CreateSequence(permitted);
+		}
+		if (excluded != null)
+		{
+			this.excluded = CreateSequence(excluded);
+		}
+	}
+
+	private DerSequence CreateSequence(IList subtrees)
+	{
+		GeneralSubtree[] array = new GeneralSubtree[subtrees.Count];
+		for (int i = 0; i < subtrees.Count; i++)
+		{
+			array[i] = (GeneralSubtree)subtrees[i];
+		}
+		return new DerSequence(array);
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
+		if (permitted != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 0, permitted));
+		}
+		if (excluded != null)
+		{
+			asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 1, excluded));
+		}
+		return new DerSequence(asn1EncodableVector);
+	}
+}