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using System;
using System.IO;
namespace Org.BouncyCastle.Asn1
{
public abstract class Asn1Object
: Asn1Encodable
{
/// <summary>Create a base ASN.1 object from a byte array.</summary>
/// <param name="data">The byte array to parse.</param>
/// <returns>The base ASN.1 object represented by the byte array.</returns>
/// <exception cref="IOException">If there is a problem parsing the data.</exception>
public static Asn1Object FromByteArray(
byte[] data)
{
try
{
return new Asn1InputStream(data).ReadObject();
}
catch (InvalidCastException)
{
throw new IOException("cannot recognise object in stream");
}
}
/// <summary>Read a base ASN.1 object from a stream.</summary>
/// <param name="inStr">The stream to parse.</param>
/// <returns>The base ASN.1 object represented by the byte array.</returns>
/// <exception cref="IOException">If there is a problem parsing the data.</exception>
public static Asn1Object FromStream(
Stream inStr)
{
try
{
return new Asn1InputStream(inStr).ReadObject();
}
catch (InvalidCastException)
{
throw new IOException("cannot recognise object in stream");
}
}
public sealed override Asn1Object ToAsn1Object()
{
return this;
}
internal abstract void Encode(DerOutputStream derOut);
protected abstract bool Asn1Equals(Asn1Object asn1Object);
protected abstract int Asn1GetHashCode();
internal bool CallAsn1Equals(Asn1Object obj)
{
return Asn1Equals(obj);
}
internal int CallAsn1GetHashCode()
{
return Asn1GetHashCode();
}
}
}
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