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 package org.apidesign.impl.security.friendapi;

 import java.nio.ByteBuffer;

 /**

  *

  * @author Jaroslav Tulach

  */

 public abstract class DigestImplementation {

     final String name;

     protected DigestImplementation(String algorithm) {

         this.name = algorithm;

     }

     public abstract void update(ByteBuffer bb);

     public abstract byte[] digest();

 }