package org.bouncycastle.asn1.pkcs;import java.math.BigInteger;import org.bouncycastle.asn1.*;public class PKCS12PBEParams    implements DEREncodable{    DERInteger      iterations;    ASN1OctetString iv;    public PKCS12PBEParams(        byte[]      salt,        int         iterations)    {        this.iv = new DEROctetString(salt);        this.iterations = new DERInteger(iterations);    }    public PKCS12PBEParams(        ASN1Sequence  seq)    {        iv = (ASN1OctetString)seq.getObjectAt(0);        iterations = (DERInteger)seq.getObjectAt(1);    }    public static PKCS12PBEParams getInstance(        Object  obj)    {        if (obj instanceof PKCS12PBEParams)        {            return (PKCS12PBEParams)obj;        }        else if (obj instanceof ASN1Sequence)        {            return new PKCS12PBEParams((ASN1Sequence)obj);        }        throw new IllegalArgumentException("unknown object in factory");    }    public BigInteger getIterations()    {        return iterations.getValue();    }    public byte[] getIV()    {        return iv.getOctets();    }    public DERObject getDERObject()    {        ASN1EncodableVector  v = new ASN1EncodableVector();        v.add(iv);        v.add(iterations);        return new DERSequence(v);    }}