init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Tls/CertificateStatus.cs

@@ -0,0 +1,71 @@
+using System;
+using System.IO;
+using Org.BouncyCastle.Asn1.Ocsp;
+
+namespace Org.BouncyCastle.Crypto.Tls;
+
+public class CertificateStatus
+{
+	protected readonly byte mStatusType;
+
+	protected readonly object mResponse;
+
+	public virtual byte StatusType => mStatusType;
+
+	public virtual object Response => mResponse;
+
+	public CertificateStatus(byte statusType, object response)
+	{
+		if (!IsCorrectType(statusType, response))
+		{
+			throw new ArgumentException("not an instance of the correct type", "response");
+		}
+		mStatusType = statusType;
+		mResponse = response;
+	}
+
+	public virtual OcspResponse GetOcspResponse()
+	{
+		if (!IsCorrectType(1, mResponse))
+		{
+			throw new InvalidOperationException("'response' is not an OcspResponse");
+		}
+		return (OcspResponse)mResponse;
+	}
+
+	public virtual void Encode(Stream output)
+	{
+		TlsUtilities.WriteUint8(mStatusType, output);
+		byte b = mStatusType;
+		if (b == 1)
+		{
+			byte[] encoded = ((OcspResponse)mResponse).GetEncoded("DER");
+			TlsUtilities.WriteOpaque24(encoded, output);
+			return;
+		}
+		throw new TlsFatalAlert(80);
+	}
+
+	public static CertificateStatus Parse(Stream input)
+	{
+		byte b = TlsUtilities.ReadUint8(input);
+		byte b2 = b;
+		if (b2 == 1)
+		{
+			byte[] encoding = TlsUtilities.ReadOpaque24(input);
+			object instance = OcspResponse.GetInstance(TlsUtilities.ReadDerObject(encoding));
+			return new CertificateStatus(b, instance);
+		}
+		throw new TlsFatalAlert(50);
+	}
+
+	protected static bool IsCorrectType(byte statusType, object response)
+	{
+		byte b = statusType;
+		if (b == 1)
+		{
+			return response is OcspResponse;
+		}
+		throw new ArgumentException("unsupported CertificateStatusType", "statusType");
+	}
+}