From 7cb752aaf746dc0b473afeb9e892b7fbc12666c5 Mon Sep 17 00:00:00 2001
From: Roberto Tyley <roberto.tyley@gmail.com>
Date: Mon, 14 Jul 2014 22:38:01 +0100
Subject: Execute become-spongy.sh

https://github.com/rtyley/spongycastle/blob/3040af/become-spongy.sh
---
 .../org/spongycastle/crypto/DigestDerivationFunction.java   | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 core/src/main/java/org/spongycastle/crypto/DigestDerivationFunction.java

(limited to 'core/src/main/java/org/spongycastle/crypto/DigestDerivationFunction.java')

diff --git a/core/src/main/java/org/spongycastle/crypto/DigestDerivationFunction.java b/core/src/main/java/org/spongycastle/crypto/DigestDerivationFunction.java
new file mode 100644
index 00000000..7ed0fe15
--- /dev/null
+++ b/core/src/main/java/org/spongycastle/crypto/DigestDerivationFunction.java
@@ -0,0 +1,13 @@
+package org.spongycastle.crypto;
+
+/**
+ * base interface for general purpose Digest based byte derivation functions.
+ */
+public interface DigestDerivationFunction
+    extends DerivationFunction
+{
+    /**
+     * return the message digest used as the basis for the function
+     */
+    public Digest getDigest();
+}
-- 
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