/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved.             *
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*    derived from this software without specific prior written permission.*
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**************************************************************************/


package javax.crypto.spec;

import java.security.spec.AlgorithmParameterSpec;

public class RC5ParameterSpec implements AlgorithmParameterSpec {

 private byte[] iv;
 private int version;
 private int wordSize;
 private int rounds;

 public RC5ParameterSpec(int version, int rounds, int wordSize) {
        this.version = version;
        this.rounds = rounds;
        this.wordSize = wordSize;
 }

 public RC5ParameterSpec(int version, int rounds, int wordSize, byte[] iv){
        this(version, rounds, wordSize, iv, 0);
 }

 public RC5ParameterSpec(int version, int rounds, int wordSize, byte[] iv, int offset){
        this.version = version;
        this.rounds = rounds;
        this.wordSize = wordSize;
        this.iv = new byte[8];
        System.arraycopy(iv,offset,this.iv,0,8);
 }

 public boolean equals(Object obj) {
        if(!(obj instanceof RC5ParameterSpec)){
                return false;
        }
        RC5ParameterSpec rps = (RC5ParameterSpec)obj;
        return  this.iv == null &&
                rps.iv == null &&
                this.version == rps.version &&
                this.rounds == rps.rounds &&
                this.wordSize == rps.wordSize;
 }

 public int getVersion(){
        return version;
 }

 public int getRounds(){
        return rounds;
 }

 public int getWordSize(){
        return wordSize;
 }

 public byte[] getIV(){
        return iv;
 }

 public int hashCode(){
        return version ^ rounds ^ wordSize ^ (iv == null ? 0xabcd0000 : iv.hashCode());
 }
}