package org.bouncycastle.asn1.pkcs;
import java.math.BigInteger;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
public class PBEParameter
extends ASN1Object
{
ASN1Integer iterations;
ASN1OctetString salt;
public PBEParameter(
byte[] salt,
int iterations)
{
if (salt.length != 8)
{
throw new IllegalArgumentException("salt length must be 8");
}
this.salt = new DEROctetString(salt);
this.iterations = new ASN1Integer(iterations);
}
private PBEParameter(
ASN1Sequence seq)
{
salt = (ASN1OctetString)seq.getObjectAt(0);
iterations = (ASN1Integer)seq.getObjectAt(1);
}
public static PBEParameter getInstance(
Object obj)
{
if (obj instanceof PBEParameter)
{
return (PBEParameter)obj;
}
else if (obj != null)
{
return new PBEParameter(ASN1Sequence.getInstance(obj));
}
return null;
}
public BigInteger getIterationCount()
{
return iterations.getValue();
}
public byte[] getSalt()
{
return salt.getOctets();
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(salt);
v.add(iterations);
return new DERSequence(v);
}
}