--- old/src/java.base/share/classes/java/util/zip/InflaterInputStream.java	2015-12-17 22:40:11.450805998 +0900
+++ new/src/java.base/share/classes/java/util/zip/InflaterInputStream.java	2015-12-17 22:40:11.236482851 +0900
@@ -51,6 +51,11 @@
     protected byte[] buf;
 
     /**
+     * Original input buffer.
+     */
+    protected byte[] originBuf;
+
+    /**
      * Length of input buffer.
      */
     protected int len;
@@ -59,6 +64,8 @@
     // this flag is set to true after EOF has reached
     private boolean reachEOF = false;
 
+    private ZipCryption zipCryption;
+
     /**
      * Check to make sure that this stream has not been closed
      */
@@ -86,6 +93,7 @@
         }
         this.inf = inf;
         buf = new byte[size];
+        originBuf = new byte[size];
     }
 
     /**
@@ -239,6 +247,12 @@
         if (len == -1) {
             throw new EOFException("Unexpected end of ZLIB input stream");
         }
+
+        if (zipCryption != null) {
+            System.arraycopy(buf, 0, originBuf, 0, len);
+            zipCryption.decryptBytes(buf, 0, len);
+        }
+
         inf.setInput(buf, 0, len);
     }
 
@@ -285,4 +299,15 @@
     public synchronized void reset() throws IOException {
         throw new IOException("mark/reset not supported");
     }
+
+    /**
+     * Set ZIP encryption/decryption engine to this inflater.
+     *
+     * @param zipCryption ZIP encrypt/decrypt engine. zip decryption will not
+     * work if this value set to null.
+     * @since 1.9
+     */
+    public void setZipCryption(ZipCryption zipCryption) {
+        this.zipCryption = zipCryption;
+    }
 }