1 files changed, 17 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/asn1/BERFactory.java b/core/src/main/java/org/spongycastle/asn1/BERFactory.java
new file mode 100644
index 00000000..a444eac6
--- /dev/null
+++ b/core/src/main/java/org/spongycastle/asn1/BERFactory.java
@@ -0,0 +1,17 @@
+package org.spongycastle.asn1;
+
+class BERFactory
+{
+    static final BERSequence EMPTY_SEQUENCE = new BERSequence();
+    static final BERSet EMPTY_SET = new BERSet();
+
+    static BERSequence createSequence(ASN1EncodableVector v)
+    {
+        return v.size() < 1 ? EMPTY_SEQUENCE : new BERSequence(v);
+    }
+
+    static BERSet createSet(ASN1EncodableVector v)
+    {
+        return v.size() < 1 ? EMPTY_SET : new BERSet(v);
+    }
+}