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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8 with debug enabled.
package org.bouncycastle.pqc.asn1;
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.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.util.Arrays;
/**
* XMSSPublicKey
*
* XMSSPublicKey ::= SEQUENCE {
* version INTEGER -- 0
* publicSeed OCTET STRING
* root OCTET STRING
* }
*
*/
public class XMSSPublicKey
extends ASN1Object
{
private final byte[] publicSeed;
private final byte[] root;
public XMSSPublicKey(byte[] publicSeed, byte[] root)
{
this.publicSeed = Arrays.clone(publicSeed);
this.root = Arrays.clone(root);
}
private XMSSPublicKey(ASN1Sequence seq)
{
if (!ASN1Integer.getInstance(seq.getObjectAt(0)).getValue().equals(BigInteger.valueOf(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 XMSSPublicKey getInstance(Object o)
{
if (o instanceof XMSSPublicKey)
{
return (XMSSPublicKey)o;
}
else if (o != null)
{
return new XMSSPublicKey(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);
}
}
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