org.bouncycastle.oer.its.ieee1609dot2.EncryptedDataEncryptionKey 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.oer.its.ieee1609dot2;

import org.bouncycastle.asn1.ASN1Choice;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.BERTags;
import org.bouncycastle.asn1.DERTaggedObject;
import org.bouncycastle.oer.its.ieee1609dot2.basetypes.EciesP256EncryptedKey;

/**
 * EncryptedDataEncryptionKey ::= CHOICE {
 * eciesNistP256         EciesP256EncryptedKey,
 * eciesBrainpoolP256r1  EciesP256EncryptedKey,
 * ...
 * }
 */
public class EncryptedDataEncryptionKey
    extends ASN1Object
    implements ASN1Choice
{
    public static final int eciesNistP256 = 0;
    public static final int eciesBrainpoolP256r1 = 1;


    private final int choice;
    private final ASN1Encodable encryptedDataEncryptionKey;

    public EncryptedDataEncryptionKey(int choice, ASN1Encodable value)
    {
        this.choice = choice;
        this.encryptedDataEncryptionKey = value;
    }

    private EncryptedDataEncryptionKey(ASN1TaggedObject ato)
    {
        choice = ato.getTagNo();
        switch (ato.getTagNo())
        {
        case eciesNistP256:
        case eciesBrainpoolP256r1:
            encryptedDataEncryptionKey = EciesP256EncryptedKey.getInstance(ato.getObject());
            break;
        default:
            throw new IllegalArgumentException("invalid choice value " + ato.getTagNo());
        }
    }

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

        if (o != null)
        {
            return new EncryptedDataEncryptionKey(ASN1TaggedObject.getInstance(o));
        }

        return null;

    }

    public int getChoice()
    {
        return choice;
    }

    public ASN1Encodable getEncryptedDataEncryptionKey()
    {
        return encryptedDataEncryptionKey;
    }

    public ASN1Primitive toASN1Primitive()
    {
        return new DERTaggedObject(choice, encryptedDataEncryptionKey);
    }

    public static EncryptedDataEncryptionKey eciesNistP256(EciesP256EncryptedKey value)
    {
        return new EncryptedDataEncryptionKey(eciesNistP256, value);
    }

    public static EncryptedDataEncryptionKey eciesBrainpoolP256r1(EciesP256EncryptedKey value)
    {
        return new EncryptedDataEncryptionKey(eciesBrainpoolP256r1, value);
    }


}