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Assets/BestHTTP/SecureProtocol/asn1/Asn1Object.cs

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+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+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
+			{
+                MemoryStream input = new MemoryStream(data, false);
+                Asn1InputStream asn1 = new Asn1InputStream(input, data.Length);
+                Asn1Object result = asn1.ReadObject();
+                if (input.Position != input.Length)
+                    throw new IOException("extra data found after object");
+                return result;
+			}
+			catch (InvalidCastException)
+			{
+				throw new IOException("cannot recognise object in byte array");
+			}
+		}
+
+		/// <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();
+		}
+	}
+}
+
+#endif