1 files changed, 16 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/interfaces/ECPrivateKey.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/interfaces/ECPrivateKey.java
new file mode 100644
index 000000000..235664347
--- /dev/null
+++ b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jce/interfaces/ECPrivateKey.java
@@ -0,0 +1,16 @@
+package org.spongycastle.jce.interfaces;
+
+import java.math.BigInteger;
+import java.security.PrivateKey;
+
+/**
+ * interface for Elliptic Curve Private keys.
+ */
+public interface ECPrivateKey
+    extends ECKey, PrivateKey
+{
+    /**
+     * return the private value D.
+     */
+    public BigInteger getD();
+}