2006-02-24 Raif S. Naffah <raif@swiftdsl.com.au>

	* gnu/javax/crypto/mac/TMMH16.java (clone): New method.
	* gnu/java/security/prng/MDGenerator.java (clone): New method.
	* gnu/java/security/prng/BasePRNG.java (clone): Clone buffer.

1 files changed, 24 insertions, 0 deletions

diff --git a/gnu/javax/crypto/mac/TMMH16.java b/gnu/javax/crypto/mac/TMMH16.java
index 82de3aac9..fcfc38a90 100644
--- a/gnu/javax/crypto/mac/TMMH16.java
+++ b/gnu/javax/crypto/mac/TMMH16.java
@@ -271,6 +271,30 @@ public class TMMH16 extends BaseMac implements Cloneable
     return valid.booleanValue();
   }
 
+  // Cloneable interface implementation ---------------------------------------
+
+  public Object clone() throws CloneNotSupportedException
+  {
+    TMMH16 result = (TMMH16) super.clone();
+
+    if (this.keystream != null)
+      result.keystream = (IRandom) this.keystream.clone();
+
+    if (this.prefix != null)
+      result.prefix = this.prefix.clone();
+
+    if (this.context != null)
+      result.context = this.context.clone();
+
+    if (this.K0 != null)
+      result.K0 = this.K0.clone();
+
+    if (this.Ki != null)
+      result.Ki = this.Ki.clone();
+
+    return result;
+  }
+
   // own methods -------------------------------------------------------------
 
   /**