138 lines
3.4 KiB
C#
138 lines
3.4 KiB
C#
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
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#pragma warning disable
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using System;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Math;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509
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{
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public class BasicConstraints
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: Asn1Encodable
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{
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private readonly DerBoolean cA;
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private readonly DerInteger pathLenConstraint;
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public static BasicConstraints GetInstance(
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Asn1TaggedObject obj,
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bool explicitly)
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{
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return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
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}
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public static BasicConstraints GetInstance(
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object obj)
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{
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if (obj == null || obj is BasicConstraints)
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{
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return (BasicConstraints) obj;
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}
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if (obj is Asn1Sequence)
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{
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return new BasicConstraints((Asn1Sequence) obj);
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}
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if (obj is X509Extension)
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{
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return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj));
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}
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throw new ArgumentException("unknown object in factory: " + BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.Platform.GetTypeName(obj), "obj");
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}
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private BasicConstraints(
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Asn1Sequence seq)
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{
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if (seq.Count > 0)
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{
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if (seq[0] is DerBoolean)
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{
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this.cA = DerBoolean.GetInstance(seq[0]);
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}
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else
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{
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this.pathLenConstraint = DerInteger.GetInstance(seq[0]);
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}
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if (seq.Count > 1)
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{
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if (this.cA == null)
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throw new ArgumentException("wrong sequence in constructor", "seq");
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this.pathLenConstraint = DerInteger.GetInstance(seq[1]);
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}
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}
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}
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public BasicConstraints(
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bool cA)
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{
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if (cA)
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{
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this.cA = DerBoolean.True;
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}
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}
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/**
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* create a cA=true object for the given path length constraint.
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*
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* @param pathLenConstraint
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*/
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public BasicConstraints(
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int pathLenConstraint)
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{
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this.cA = DerBoolean.True;
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this.pathLenConstraint = new DerInteger(pathLenConstraint);
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}
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public bool IsCA()
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{
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return cA != null && cA.IsTrue;
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}
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public BigInteger PathLenConstraint
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{
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get { return pathLenConstraint == null ? null : pathLenConstraint.Value; }
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}
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/**
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* Produce an object suitable for an Asn1OutputStream.
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* <pre>
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* BasicConstraints := Sequence {
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* cA Boolean DEFAULT FALSE,
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* pathLenConstraint Integer (0..MAX) OPTIONAL
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* }
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* </pre>
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*/
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public override Asn1Object ToAsn1Object()
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{
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Asn1EncodableVector v = new Asn1EncodableVector();
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if (cA != null)
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{
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v.Add(cA);
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}
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if (pathLenConstraint != null) // yes some people actually do this when cA is false...
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{
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v.Add(pathLenConstraint);
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}
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return new DerSequence(v);
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}
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public override string ToString()
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{
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if (pathLenConstraint == null)
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{
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return "BasicConstraints: isCa(" + this.IsCA() + ")";
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}
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return "BasicConstraints: isCa(" + this.IsCA() + "), pathLenConstraint = " + pathLenConstraint.Value;
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}
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}
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}
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#pragma warning restore
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#endif
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