org.bouncycastle.pqc.asn1.XMSSKeyParams Maven / Gradle / Ivy
package org.bouncycastle.pqc.asn1;
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.DERSequence;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
/**
* XMSSKeyParams
*
* XMSSKeyParams ::= SEQUENCE {
* version INTEGER -- 0
* height INTEGER
* treeDigest AlgorithmIdentifier
* }
*
*/
public class XMSSKeyParams
extends ASN1Object
{
private final ASN1Integer version;
private final int height;
private final AlgorithmIdentifier treeDigest;
public XMSSKeyParams(int height, AlgorithmIdentifier treeDigest)
{
this.version = new ASN1Integer(0);
this.height = height;
this.treeDigest = treeDigest;
}
private XMSSKeyParams(ASN1Sequence sequence)
{
this.version = ASN1Integer.getInstance(sequence.getObjectAt(0));
this.height = ASN1Integer.getInstance(sequence.getObjectAt(1)).intValueExact();
this.treeDigest = AlgorithmIdentifier.getInstance(sequence.getObjectAt(2));
}
public static XMSSKeyParams getInstance(Object o)
{
if (o instanceof XMSSKeyParams)
{
return (XMSSKeyParams)o;
}
else if (o != null)
{
return new XMSSKeyParams(ASN1Sequence.getInstance(o));
}
return null;
}
public int getHeight()
{
return height;
}
public AlgorithmIdentifier getTreeDigest()
{
return treeDigest;
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(version);
v.add(new ASN1Integer(height));
v.add(treeDigest);
return new DERSequence(v);
}
}