1 files changed, 35 insertions, 0 deletions
diff --git a/Crypto/src/asn1/BerNull.cs b/Crypto/src/asn1/BerNull.cs
new file mode 100644
index 000000000..0751bbac3
--- /dev/null
+++ b/Crypto/src/asn1/BerNull.cs
@@ -0,0 +1,35 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1
+{
+ /**
+ * A BER Null object.
+ */
+ public class BerNull
+ : DerNull
+ {
+ public static new readonly BerNull Instance = new BerNull(0);
+
+ [Obsolete("Use static Instance object")]
+ public BerNull()
+ {
+ }
+
+ private BerNull(int dummy) : base(dummy)
+ {
+ }
+
+ internal override void Encode(
+ DerOutputStream derOut)
+ {
+ if (derOut is Asn1OutputStream || derOut is BerOutputStream)
+ {
+ derOut.WriteByte(Asn1Tags.Null);
+ }
+ else
+ {
+ base.Encode(derOut);
+ }
+ }
+ }
+}
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