1 files changed, 17 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/DERFactory.java b/core/src/main/java/org/bouncycastle/asn1/DERFactory.java
new file mode 100644
index 00000000..b829e3bc
--- /dev/null
+++ b/core/src/main/java/org/bouncycastle/asn1/DERFactory.java
@@ -0,0 +1,17 @@
+package org.bouncycastle.asn1;
+
+class DERFactory
+{
+    static final ASN1Sequence EMPTY_SEQUENCE = new DERSequence();
+    static final ASN1Set EMPTY_SET = new DERSet();
+
+    static ASN1Sequence createSequence(ASN1EncodableVector v)
+    {
+        return v.size() < 1 ? EMPTY_SEQUENCE : new DLSequence(v);
+    }
+
+    static ASN1Set createSet(ASN1EncodableVector v)
+    {
+        return v.size() < 1 ? EMPTY_SET : new DLSet(v);
+    }
+}