Asn1ObjectDescriptor
using Org.BouncyCastle.Utilities;
using System;
using System.IO;
namespace Org.BouncyCastle.Asn1
{
public sealed class Asn1ObjectDescriptor : Asn1Object
{
internal class Meta : Asn1UniversalType
{
internal static readonly Asn1UniversalType Instance = new Meta();
private Meta()
: base(typeof(Asn1ObjectDescriptor), 7)
{
}
internal override Asn1Object FromImplicitPrimitive(DerOctetString octetString)
{
return new Asn1ObjectDescriptor((DerGraphicString)DerGraphicString.Meta.Instance.FromImplicitPrimitive(octetString));
}
internal override Asn1Object FromImplicitConstructed(Asn1Sequence sequence)
{
return new Asn1ObjectDescriptor((DerGraphicString)DerGraphicString.Meta.Instance.FromImplicitConstructed(sequence));
}
}
private readonly DerGraphicString m_baseGraphicString;
public DerGraphicString BaseGraphicString => m_baseGraphicString;
public static Asn1ObjectDescriptor GetInstance(object obj)
{
if (obj == null)
return null;
Asn1ObjectDescriptor asn1ObjectDescriptor = obj as Asn1ObjectDescriptor;
if (asn1ObjectDescriptor != null)
return asn1ObjectDescriptor;
IAsn1Convertible asn1Convertible = obj as IAsn1Convertible;
if (asn1Convertible != null) {
Asn1ObjectDescriptor asn1ObjectDescriptor2 = asn1Convertible.ToAsn1Object() as Asn1ObjectDescriptor;
if (asn1ObjectDescriptor2 != null)
return asn1ObjectDescriptor2;
} else {
byte[] array = obj as byte[];
if (array != null)
try {
return (Asn1ObjectDescriptor)Meta.Instance.FromByteArray(array);
} catch (IOException ex) {
throw new ArgumentException("failed to construct object descriptor from byte[]: " + ex.Message);
}
}
throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj), "obj");
}
public static Asn1ObjectDescriptor GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return (Asn1ObjectDescriptor)Meta.Instance.GetContextInstance(taggedObject, declaredExplicit);
}
public Asn1ObjectDescriptor(DerGraphicString baseGraphicString)
{
if (baseGraphicString == null)
throw new ArgumentNullException("baseGraphicString");
m_baseGraphicString = baseGraphicString;
}
internal override IAsn1Encoding GetEncoding(int encoding)
{
return m_baseGraphicString.GetEncodingImplicit(encoding, 0, 7);
}
internal override IAsn1Encoding GetEncodingImplicit(int encoding, int tagClass, int tagNo)
{
return m_baseGraphicString.GetEncodingImplicit(encoding, tagClass, tagNo);
}
internal sealed override DerEncoding GetEncodingDer()
{
return m_baseGraphicString.GetEncodingDerImplicit(0, 7);
}
internal sealed override DerEncoding GetEncodingDerImplicit(int tagClass, int tagNo)
{
return m_baseGraphicString.GetEncodingDerImplicit(tagClass, tagNo);
}
protected override int Asn1GetHashCode()
{
return ~m_baseGraphicString.CallAsn1GetHashCode();
}
protected override bool Asn1Equals(Asn1Object asn1Object)
{
Asn1ObjectDescriptor asn1ObjectDescriptor = asn1Object as Asn1ObjectDescriptor;
if (asn1ObjectDescriptor != null)
return m_baseGraphicString.Equals(asn1ObjectDescriptor.m_baseGraphicString);
return false;
}
internal static Asn1ObjectDescriptor CreatePrimitive(byte[] contents)
{
return new Asn1ObjectDescriptor(DerGraphicString.CreatePrimitive(contents));
}
}
}