Fortuna: Add getByte() method

core/java/src/net/i2p/util/FortunaRandomSource.java

@@ -183,6 +183,17 @@ public class FortunaRandomSource extends RandomSource implements EntropyHarveste
         }
     }
 
+    /**
+     * Not part of java.util.SecureRandom, but added for efficiency, since Fortuna supports it.
+     *
+     * @since 0.9.24
+     */
+    public byte nextByte() { 
+        synchronized(_fortuna) {
+            return _fortuna.nextByte();
+        }
+    }
+
     /**
      * Implementation from sun's java.util.Random javadocs 
      */