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      1 package org.bouncycastle.asn1;
      2 
      3 import java.io.IOException;
      4 
      5 /**
      6  * A NULL object.
      7  */
      8 public class DERNull
      9     extends ASN1Null
     10 {
     11     public static final DERNull INSTANCE = new DERNull();
     12 
     13     // BEGIN android-changed
     14     private static final byte[]  zeroBytes = new byte[0];
     15     // END android-changed
     16 
     17     // BEGIN android-changed
     18     protected DERNull()
     19     // END android-changed
     20     {
     21     }
     22 
     23     void encode(
     24         DEROutputStream  out)
     25         throws IOException
     26     {
     27         out.writeEncoded(NULL, zeroBytes);
     28     }
     29 }
     30