org.bouncycastle.asn1.cmc.PopLinkWitnessV2 Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcutil-jdk15on Show documentation

The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls. This jar contains APIs for JDK 1.5 and up.

There is a newer version: 1.70

Show newest version

package org.bouncycastle.asn1.cmc;

import org.bouncycastle.asn1.ASN1EncodableVector;
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.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.util.Arrays;

/**
 *  *      id-cmc-popLinkWitnessV2 OBJECT IDENTIFIER ::= { id-cmc 33 }
 *      PopLinkWitnessV2 ::= SEQUENCE {
 *           keyGenAlgorithm   AlgorithmIdentifier,
 *           macAlgorithm      AlgorithmIdentifier,
 *           witness           OCTET STRING
 *      }
 * 
 */
public class PopLinkWitnessV2
    extends ASN1Object
{
    private final AlgorithmIdentifier keyGenAlgorithm;
    private final AlgorithmIdentifier macAlgorithm;
    private final byte[] witness;

    public PopLinkWitnessV2(AlgorithmIdentifier keyGenAlgorithm, AlgorithmIdentifier macAlgorithm, byte[] witness)
    {
        this.keyGenAlgorithm = keyGenAlgorithm;
        this.macAlgorithm = macAlgorithm;
        this.witness = Arrays.clone(witness);
    }

    private PopLinkWitnessV2(ASN1Sequence seq)
    {
        if (seq.size() != 3)
        {
            throw new IllegalArgumentException("incorrect sequence size");
        }
        this.keyGenAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(0));
        this.macAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
        this.witness = Arrays.clone(ASN1OctetString.getInstance(seq.getObjectAt(2)).getOctets());
    }

    public static PopLinkWitnessV2 getInstance(Object o)
    {
        if (o instanceof PopLinkWitnessV2)
        {
            return (PopLinkWitnessV2)o;
        }

        if (o != null)
        {
            return new PopLinkWitnessV2(ASN1Sequence.getInstance(o));
        }

        return null;
    }

    public AlgorithmIdentifier getKeyGenAlgorithm()
    {
        return keyGenAlgorithm;
    }

    public AlgorithmIdentifier getMacAlgorithm()
    {
        return macAlgorithm;
    }

    public byte[] getWitness()
    {
        return Arrays.clone(witness);
    }

    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector(3);

        v.add(keyGenAlgorithm);
        v.add(macAlgorithm);
        v.add(new DEROctetString(getWitness()));

        return new DERSequence(v);
    }
}