126 lines
4.5 KiB
C#
126 lines
4.5 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 System.IO;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1
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{
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public sealed class Asn1ObjectDescriptor
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: Asn1Object
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{
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internal class Meta : Asn1UniversalType
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{
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internal static readonly Asn1UniversalType Instance = new Meta();
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private Meta() : base(typeof(Asn1ObjectDescriptor), Asn1Tags.ObjectDescriptor) {}
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internal override Asn1Object FromImplicitPrimitive(DerOctetString octetString)
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{
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return new Asn1ObjectDescriptor(
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(DerGraphicString)DerGraphicString.Meta.Instance.FromImplicitPrimitive(octetString));
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}
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internal override Asn1Object FromImplicitConstructed(Asn1Sequence sequence)
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{
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return new Asn1ObjectDescriptor(
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(DerGraphicString)DerGraphicString.Meta.Instance.FromImplicitConstructed(sequence));
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}
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}
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/**
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* Return an ObjectDescriptor from the passed in object.
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*
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* @param obj an ASN1ObjectDescriptor or an object that can be converted into one.
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* @exception IllegalArgumentException if the object cannot be converted.
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* @return an ASN1ObjectDescriptor instance, or null.
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*/
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public static Asn1ObjectDescriptor GetInstance(object obj)
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{
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if (obj == null)
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return null;
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if (obj is Asn1ObjectDescriptor asn1ObjectDescriptor)
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return asn1ObjectDescriptor;
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if (obj is IAsn1Convertible asn1Convertible)
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{
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Asn1Object asn1Object = asn1Convertible.ToAsn1Object();
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if (asn1Object is Asn1ObjectDescriptor converted)
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return converted;
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}
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else if (obj is byte[] bytes)
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{
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try
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{
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return (Asn1ObjectDescriptor)Meta.Instance.FromByteArray(bytes);
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}
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catch (IOException e)
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{
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throw new ArgumentException("failed to construct object descriptor from byte[]: " + e.Message);
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}
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}
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throw new ArgumentException("illegal object in GetInstance: " + Org.BouncyCastle.Utilities.Platform.GetTypeName(obj), "obj");
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}
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/**
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* Return an ObjectDescriptor from a tagged object.
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*
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* @param taggedObject the tagged object holding the object we want.
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* @param declaredExplicit true if the object is meant to be explicitly tagged, false otherwise.
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* @exception IllegalArgumentException if the tagged object cannot be converted.
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* @return an ASN1ObjectDescriptor instance, or null.
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*/
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public static Asn1ObjectDescriptor GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
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{
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return (Asn1ObjectDescriptor)Meta.Instance.GetContextInstance(taggedObject, declaredExplicit);
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}
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private readonly DerGraphicString m_baseGraphicString;
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public Asn1ObjectDescriptor(DerGraphicString baseGraphicString)
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{
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if (null == baseGraphicString)
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throw new ArgumentNullException("baseGraphicString");
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this.m_baseGraphicString = baseGraphicString;
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}
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public DerGraphicString BaseGraphicString
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{
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get { return m_baseGraphicString; }
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}
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internal override IAsn1Encoding GetEncoding(int encoding)
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{
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return m_baseGraphicString.GetEncodingImplicit(encoding, Asn1Tags.Universal, Asn1Tags.ObjectDescriptor);
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}
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internal override IAsn1Encoding GetEncodingImplicit(int encoding, int tagClass, int tagNo)
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{
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return m_baseGraphicString.GetEncodingImplicit(encoding, tagClass, tagNo);
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}
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protected override int Asn1GetHashCode()
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{
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return ~m_baseGraphicString.CallAsn1GetHashCode();
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}
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protected override bool Asn1Equals(Asn1Object asn1Object)
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{
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Asn1ObjectDescriptor that = asn1Object as Asn1ObjectDescriptor;
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return null != that
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&& this.m_baseGraphicString.Equals(that.m_baseGraphicString);
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}
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internal static Asn1ObjectDescriptor CreatePrimitive(byte[] contents)
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{
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return new Asn1ObjectDescriptor(DerGraphicString.CreatePrimitive(contents));
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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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