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using System;
using System.Collections.Generic;
namespace Org.BouncyCastle.Asn1.X509
{
public class NameConstraints
: Asn1Encodable
{
private Asn1Sequence m_permitted, m_excluded;
public static NameConstraints GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is NameConstraints nameConstraints)
return nameConstraints;
#pragma warning disable CS0618 // Type or member is obsolete
return new NameConstraints(Asn1Sequence.GetInstance(obj));
#pragma warning restore CS0618 // Type or member is obsolete
}
public static NameConstraints GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return GetInstance(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
[Obsolete("Use 'GetInstance' instead")]
public NameConstraints(Asn1Sequence seq)
{
foreach (Asn1TaggedObject o in seq)
{
switch (o.TagNo)
{
case 0:
m_permitted = Asn1Sequence.GetInstance(o, false);
break;
case 1:
m_excluded = Asn1Sequence.GetInstance(o, false);
break;
}
}
}
/**
* Constructor from a given details.
*
* <p>permitted and excluded are Vectors of GeneralSubtree objects.</p>
*
* @param permitted Permitted subtrees
* @param excluded Excluded subtrees
*/
public NameConstraints(IList<GeneralSubtree> permitted, IList<GeneralSubtree> excluded)
{
if (permitted != null)
{
this.m_permitted = CreateSequence(permitted);
}
if (excluded != null)
{
this.m_excluded = CreateSequence(excluded);
}
}
private DerSequence CreateSequence(IList<GeneralSubtree> subtrees)
{
Asn1EncodableVector v = new Asn1EncodableVector(subtrees.Count);
foreach (var subtree in subtrees)
{
v.Add(subtree);
}
return new DerSequence(v);
}
public Asn1Sequence PermittedSubtrees => m_permitted;
public Asn1Sequence ExcludedSubtrees => m_excluded;
/*
* NameConstraints ::= SEQUENCE { permittedSubtrees [0] GeneralSubtrees
* OPTIONAL, excludedSubtrees [1] GeneralSubtrees OPTIONAL }
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(2);
v.AddOptionalTagged(false, 0, m_permitted);
v.AddOptionalTagged(false, 1, m_excluded);
return new DerSequence(v);
}
}
}
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