org.bouncycastle.asn1.cms.CMSORIforKEMOtherInfo Maven / Gradle / Ivy

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The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.asn1.cms;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;

/**
 *  *  CMSORIforKEMOtherInfo ::= SEQUENCE {
 *     wrap KeyEncryptionAlgorithmIdentifier,
 *     kekLength INTEGER (1..MAX),
 *     ukm [0] EXPLICIT UserKeyingMaterial OPTIONAL
 *   }
 *
 *   UserKeyingMaterial ::= OCTET STRING
 * 
 */
public class CMSORIforKEMOtherInfo
    extends ASN1Object
{
    private final AlgorithmIdentifier wrap;
    private final int kekLength;
    private final byte[] ukm;

    public CMSORIforKEMOtherInfo(AlgorithmIdentifier wrap, int kekLength)
    {
        this(wrap, kekLength, null);
    }

    public CMSORIforKEMOtherInfo(AlgorithmIdentifier wrap, int kekLength, byte[] ukm)
    {
        this.wrap = wrap;
        this.kekLength = kekLength;
        this.ukm = ukm;
    }

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

        v.add(wrap);
        v.add(new ASN1Integer(kekLength));

        if (ukm != null)
        {
            v.add(new DERTaggedObject(true, 0, new DEROctetString(ukm)));
        }
        return new DERSequence(v);
    }
}