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using System.IO;
namespace Org.BouncyCastle.Asn1
{
public abstract class Asn1Encodable
: IAsn1Convertible
{
public const string Der = "DER";
public const string Ber = "BER";
public byte[] GetEncoded()
{
MemoryStream bOut = new MemoryStream();
Asn1OutputStream aOut = new Asn1OutputStream(bOut);
ToAsn1Object().Encode(aOut);
return bOut.ToArray();
}
public byte[] GetEncoded(string encoding)
{
if (encoding.Equals(Der))
{
MemoryStream bOut = new MemoryStream();
DerOutputStream dOut = new DerOutputStream(bOut);
Asn1Object asn1Object = ToAsn1Object();
Asn1Set asn1Set = asn1Object as Asn1Set;
if (null != asn1Set)
{
/*
* NOTE: Even a DerSet isn't necessarily already in sorted order (particularly from DerSetParser),
* so all sets have to be converted here.
*/
asn1Object = new DerSet(asn1Set.elements);
}
asn1Object.Encode(dOut);
return bOut.ToArray();
}
return GetEncoded();
}
/**
* Return the DER encoding of the object, null if the DER encoding can not be made.
*
* @return a DER byte array, null otherwise.
*/
public byte[] GetDerEncoded()
{
try
{
return GetEncoded(Der);
}
catch (IOException)
{
return null;
}
}
public sealed override int GetHashCode()
{
return ToAsn1Object().CallAsn1GetHashCode();
}
public sealed override bool Equals(
object obj)
{
if (obj == this)
return true;
IAsn1Convertible other = obj as IAsn1Convertible;
if (other == null)
return false;
Asn1Object o1 = ToAsn1Object();
Asn1Object o2 = other.ToAsn1Object();
return o1 == o2 || (null != o2 && o1.CallAsn1Equals(o2));
}
public abstract Asn1Object ToAsn1Object();
}
}
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