org.bouncycastle.pqc.asn1.XMSSMTPublicKey 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.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.util.Arrays;
/**
* XMSSMTPublicKey
*
* XMSSMTPublicKey ::= SEQUENCE {
* version INTEGER -- 0
* publicSeed OCTET STRING
* root OCTET STRING
* }
*
*/
public class XMSSMTPublicKey
extends ASN1Object
{
private final byte[] publicSeed;
private final byte[] root;
public XMSSMTPublicKey(byte[] publicSeed, byte[] root)
{
this.publicSeed = Arrays.clone(publicSeed);
this.root = Arrays.clone(root);
}
private XMSSMTPublicKey(ASN1Sequence seq)
{
if (!ASN1Integer.getInstance(seq.getObjectAt(0)).hasValue(0))
{
throw new IllegalArgumentException("unknown version of sequence");
}
this.publicSeed = Arrays.clone(DEROctetString.getInstance(seq.getObjectAt(1)).getOctets());
this.root = Arrays.clone(DEROctetString.getInstance(seq.getObjectAt(2)).getOctets());
}
public static XMSSMTPublicKey getInstance(Object o)
{
if (o instanceof XMSSMTPublicKey)
{
return (XMSSMTPublicKey)o;
}
else if (o != null)
{
return new XMSSMTPublicKey(ASN1Sequence.getInstance(o));
}
return null;
}
public byte[] getPublicSeed()
{
return Arrays.clone(publicSeed);
}
public byte[] getRoot()
{
return Arrays.clone(root);
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(new ASN1Integer(0)); // version
v.add(new DEROctetString(publicSeed));
v.add(new DEROctetString(root));
return new DERSequence(v);
}
}