1 files changed, 0 insertions, 12 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/DerivationFunction.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/DerivationFunction.java
deleted file mode 100644
index b8e913fd2..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/DerivationFunction.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package org.spongycastle.crypto;
-
-/**
- * base interface for general purpose byte derivation functions.
- */
-public interface DerivationFunction
-{
-    public void init(DerivationParameters param);
-
-    public int generateBytes(byte[] out, int outOff, int len)
-        throws DataLengthException, IllegalArgumentException;
-}