All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.bouncycastle.pqc.asn1.XMSSMTPublicKey Maven / Gradle / Ivy

Go to download

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. Note: this package includes the NTRU encryption algorithms.

There is a newer version: 1.70
Show newest version
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;

/**
 * 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)).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 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); } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy