1 files changed, 41 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/asn1/DEROutputStream.java b/core/src/main/java/org/spongycastle/asn1/DEROutputStream.java
new file mode 100644
index 00000000..b94fc7b0
--- /dev/null
+++ b/core/src/main/java/org/spongycastle/asn1/DEROutputStream.java
@@ -0,0 +1,41 @@
+package org.spongycastle.asn1;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * Stream that outputs encoding based on distinguished encoding rules.
+ */
+public class DEROutputStream
+    extends ASN1OutputStream
+{
+    public DEROutputStream(
+        OutputStream    os)
+    {
+        super(os);
+    }
+
+    public void writeObject(
+        ASN1Encodable obj)
+        throws IOException
+    {
+        if (obj != null)
+        {
+            obj.toASN1Primitive().toDERObject().encode(this);
+        }
+        else
+        {
+            throw new IOException("null object detected");
+        }
+    }
+
+    ASN1OutputStream getDERSubStream()
+    {
+        return this;
+    }
+
+    ASN1OutputStream getDLSubStream()
+    {
+        return this;
+    }
+}