1 package org.bouncycastle.asn1; 2 3 import java.io.IOException; 4 5 import org.bouncycastle.util.Arrays; 6 7 /** 8 * We insert one of these when we find a tag we don't recognise. 9 */ 10 public class DERUnknownTag 11 extends DERObject 12 { 13 private boolean isConstructed; 14 private int tag; 15 private byte[] data; 16 17 /** 18 * @param tag the tag value. 19 * @param data the contents octets. 20 */ 21 public DERUnknownTag( 22 int tag, 23 byte[] data) 24 { 25 this(false, tag, data); 26 } 27 28 public DERUnknownTag( 29 boolean isConstructed, 30 int tag, 31 byte[] data) 32 { 33 this.isConstructed = isConstructed; 34 this.tag = tag; 35 this.data = data; 36 } 37 38 public boolean isConstructed() 39 { 40 return isConstructed; 41 } 42 43 public int getTag() 44 { 45 return tag; 46 } 47 48 public byte[] getData() 49 { 50 return data; 51 } 52 53 void encode( 54 DEROutputStream out) 55 throws IOException 56 { 57 out.writeEncoded(isConstructed ? DERTags.CONSTRUCTED : 0, tag, data); 58 } 59 60 public boolean equals( 61 Object o) 62 { 63 if (!(o instanceof DERUnknownTag)) 64 { 65 return false; 66 } 67 68 DERUnknownTag other = (DERUnknownTag)o; 69 70 return isConstructed == other.isConstructed 71 && tag == other.tag 72 && Arrays.areEqual(data, other.data); 73 } 74 75 public int hashCode() 76 { 77 return (isConstructed ? ~0 : 0) ^ tag ^ Arrays.hashCode(data); 78 } 79 } 80
