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-rw-r--r--crypto/src/asn1/Asn1OutputStream.cs25
-rw-r--r--crypto/src/asn1/BerNull.cs13
-rw-r--r--crypto/src/asn1/BerOutputStream.cs25
-rw-r--r--crypto/src/asn1/DerNull.cs19
-rw-r--r--crypto/src/asn1/DerOutputStream.cs22
5 files changed, 14 insertions, 90 deletions
diff --git a/crypto/src/asn1/Asn1OutputStream.cs b/crypto/src/asn1/Asn1OutputStream.cs
index 39c8b1e5e..9ed3fbe4a 100644
--- a/crypto/src/asn1/Asn1OutputStream.cs
+++ b/crypto/src/asn1/Asn1OutputStream.cs
@@ -6,30 +6,9 @@ namespace Org.BouncyCastle.Asn1
     public class Asn1OutputStream
         : DerOutputStream
     {
-        public Asn1OutputStream(Stream os) : base(os)
+        public Asn1OutputStream(Stream os)
+            : base(os)
         {
         }
-
-		[Obsolete("Use version taking an Asn1Encodable arg instead")]
-        public override void WriteObject(
-            object    obj)
-        {
-            if (obj == null)
-            {
-                WriteNull();
-            }
-            else if (obj is Asn1Object)
-            {
-                ((Asn1Object)obj).Encode(this);
-            }
-            else if (obj is Asn1Encodable)
-            {
-                ((Asn1Encodable)obj).ToAsn1Object().Encode(this);
-            }
-            else
-            {
-                throw new IOException("object not Asn1Encodable");
-            }
-        }
     }
 }
diff --git a/crypto/src/asn1/BerNull.cs b/crypto/src/asn1/BerNull.cs
index 0751bbac3..cf669914b 100644
--- a/crypto/src/asn1/BerNull.cs
+++ b/crypto/src/asn1/BerNull.cs
@@ -8,19 +8,14 @@ namespace Org.BouncyCastle.Asn1
 	public class BerNull
 		: DerNull
 	{
-		public static new readonly BerNull Instance = new BerNull(0);
+		public static new readonly BerNull Instance = new BerNull();
 
-		[Obsolete("Use static Instance object")]
-		public BerNull()
+		private BerNull()
+            : base()
 		{
 		}
 
-		private BerNull(int dummy) : base(dummy)
-		{
-		}
-
-		internal override void Encode(
-			DerOutputStream  derOut)
+		internal override void Encode(DerOutputStream derOut)
 		{
 			if (derOut is Asn1OutputStream || derOut is BerOutputStream)
 			{
diff --git a/crypto/src/asn1/BerOutputStream.cs b/crypto/src/asn1/BerOutputStream.cs
index b3ece10d3..4ed28d8f3 100644
--- a/crypto/src/asn1/BerOutputStream.cs
+++ b/crypto/src/asn1/BerOutputStream.cs
@@ -7,30 +7,9 @@ namespace Org.BouncyCastle.Asn1
     public class BerOutputStream
         : DerOutputStream
     {
-        public BerOutputStream(Stream os) : base(os)
+        public BerOutputStream(Stream os)
+            : base(os)
         {
         }
-
-		[Obsolete("Use version taking an Asn1Encodable arg instead")]
-        public override void WriteObject(
-            object    obj)
-        {
-            if (obj == null)
-            {
-                WriteNull();
-            }
-            else if (obj is Asn1Object)
-            {
-                ((Asn1Object)obj).Encode(this);
-            }
-            else if (obj is Asn1Encodable)
-            {
-                ((Asn1Encodable)obj).ToAsn1Object().Encode(this);
-            }
-            else
-            {
-                throw new IOException("object not BerEncodable");
-            }
-        }
     }
 }
diff --git a/crypto/src/asn1/DerNull.cs b/crypto/src/asn1/DerNull.cs
index a802f6486..fd7049699 100644
--- a/crypto/src/asn1/DerNull.cs
+++ b/crypto/src/asn1/DerNull.cs
@@ -8,27 +8,20 @@ namespace Org.BouncyCastle.Asn1
 	public class DerNull
 		: Asn1Null
 	{
-		public static readonly DerNull Instance = new DerNull(0);
+		public static readonly DerNull Instance = new DerNull();
 
-		byte[] zeroBytes = new byte[0];
+		private static readonly byte[] ZeroBytes = new byte[0];
 
-		[Obsolete("Use static Instance object")]
-		public DerNull()
+		protected internal DerNull()
 		{
 		}
 
-		protected internal DerNull(int dummy)
+		internal override void Encode(DerOutputStream derOut)
 		{
+			derOut.WriteEncoded(Asn1Tags.Null, ZeroBytes);
 		}
 
-		internal override void Encode(
-			DerOutputStream  derOut)
-		{
-			derOut.WriteEncoded(Asn1Tags.Null, zeroBytes);
-		}
-
-		protected override bool Asn1Equals(
-			Asn1Object asn1Object)
+		protected override bool Asn1Equals(Asn1Object asn1Object)
 		{
 			return asn1Object is DerNull;
 		}
diff --git a/crypto/src/asn1/DerOutputStream.cs b/crypto/src/asn1/DerOutputStream.cs
index 69d5d5f28..52b3a704d 100644
--- a/crypto/src/asn1/DerOutputStream.cs
+++ b/crypto/src/asn1/DerOutputStream.cs
@@ -120,28 +120,6 @@ namespace Org.BouncyCastle.Asn1
 			WriteByte(0x00);
 		}
 
-		[Obsolete("Use version taking an Asn1Encodable arg instead")]
-		public virtual void WriteObject(
-			object obj)
-		{
-			if (obj == null)
-			{
-				WriteNull();
-			}
-			else if (obj is Asn1Object)
-			{
-				((Asn1Object)obj).Encode(this);
-			}
-			else if (obj is Asn1Encodable)
-			{
-				((Asn1Encodable)obj).ToAsn1Object().Encode(this);
-			}
-			else
-			{
-				throw new IOException("object not Asn1Object");
-			}
-		}
-
 		public virtual void WriteObject(
 			Asn1Encodable obj)
 		{