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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.

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package org.bouncycastle.pqc.asn1;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
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;

/**
 * This class implements an ASN.1 encoded GMSS public key. The ASN.1 definition
 * of this structure is:
 * 
 *  GMSSPublicKey        ::= SEQUENCE{
 *      version         INTEGER
 *      publicKey       OCTET STRING
 *  }
 * 
*/ public class GMSSPublicKey extends ASN1Object { private ASN1Integer version; private byte[] publicKey; private GMSSPublicKey(ASN1Sequence seq) { if (seq.size() != 2) { throw new IllegalArgumentException("size of seq = " + seq.size()); } this.version = ASN1Integer.getInstance(seq.getObjectAt(0)); this.publicKey = ASN1OctetString.getInstance(seq.getObjectAt(1)).getOctets(); } public GMSSPublicKey(byte[] publicKeyBytes) { this.version = new ASN1Integer(0); this.publicKey = publicKeyBytes; } public static GMSSPublicKey getInstance(Object o) { if (o instanceof GMSSPublicKey) { return (GMSSPublicKey)o; } else if (o != null) { return new GMSSPublicKey(ASN1Sequence.getInstance(o)); } return null; } public byte[] getPublicKey() { return Arrays.clone(publicKey); } public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(version); v.add(new DEROctetString(publicKey)); return new DERSequence(v); } }




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