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package org.bouncycastle.asn1.x9;
import java.math.BigInteger;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERSequence;
/**
* ValidationParams ::= SEQUENCE {
* seed BIT STRING,
* pgenCounter INTEGER
* }
*/
public class ValidationParams
extends ASN1Object
{
private DERBitString seed;
private ASN1Integer pgenCounter;
public static ValidationParams getInstance(ASN1TaggedObject obj, boolean explicit)
{
return getInstance(ASN1Sequence.getInstance(obj, explicit));
}
public static ValidationParams getInstance(Object obj)
{
if (obj instanceof ValidationParams)
{
return (ValidationParams)obj;
}
else if (obj != null)
{
return new ValidationParams(ASN1Sequence.getInstance(obj));
}
return null;
}
public ValidationParams(byte[] seed, int pgenCounter)
{
if (seed == null)
{
throw new IllegalArgumentException("'seed' cannot be null");
}
this.seed = new DERBitString(seed);
this.pgenCounter = new ASN1Integer(pgenCounter);
}
public ValidationParams(DERBitString seed, ASN1Integer pgenCounter)
{
if (seed == null)
{
throw new IllegalArgumentException("'seed' cannot be null");
}
if (pgenCounter == null)
{
throw new IllegalArgumentException("'pgenCounter' cannot be null");
}
this.seed = seed;
this.pgenCounter = pgenCounter;
}
private ValidationParams(ASN1Sequence seq)
{
if (seq.size() != 2)
{
throw new IllegalArgumentException("Bad sequence size: " + seq.size());
}
this.seed = DERBitString.getInstance(seq.getObjectAt(0));
this.pgenCounter = ASN1Integer.getInstance(seq.getObjectAt(1));
}
public byte[] getSeed()
{
return this.seed.getBytes();
}
public BigInteger getPgenCounter()
{
return this.pgenCounter.getPositiveValue();
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(this.seed);
v.add(this.pgenCounter);
return new DERSequence(v);
}
}
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