remove unnecessary casts (eclipse)

core/java/src/gnu/crypto/hash/Sha256Standalone.java

@@ -125,7 +125,7 @@ public class Sha256Standalone extends BaseHashStandalone {
       this.h6 = md.h6;
       this.h7 = md.h7;
       this.count = md.count;
-      this.buffer = (byte[]) md.buffer.clone();
+      this.buffer = md.buffer.clone();
    }
 
    // Class methods

core/java/src/gnu/crypto/prng/AsyncFortunaStandalone.java

@@ -77,7 +77,7 @@ public class AsyncFortunaStandalone extends FortunaStandalone implements Runnabl
     @Override
     public void seed(byte val[]) {
         Map props = new HashMap(1);
-        props.put(SEED, (Object)val);
+        props.put(SEED, val);
         init(props);
         //fillBlock();
     }

core/java/src/gnu/crypto/prng/FortunaStandalone.java

@@ -132,7 +132,7 @@ public class FortunaStandalone extends BasePRNGStandalone implements Serializabl
 
   public void seed(byte val[]) {
       Map props = new HashMap(1);
-      props.put(SEED, (Object)val);
+      props.put(SEED, val);
       init(props);
       fillBlock();
   }

core/java/src/gnu/crypto/prng/RandomEventStandalone.java

@@ -62,7 +62,7 @@ public class RandomEventStandalone extends EventObject
     this.poolNumber = poolNumber;
     if (data.length == 0 || data.length > 32)
       throw new IllegalArgumentException("random events take between 1 and 32 bytes of data");
-    this.data = (byte[]) data.clone();
+    this.data = data.clone();
   }
 
   public byte getSourceNumber()