org.bouncycastle.oer.its.EncryptedDataEncryptionKey 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.

The newest version!

package org.bouncycastle.oer.its;

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.DERTaggedObject;

/**
 * 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;
    public static final int extension = 2;

    private final int choice;
    private final ASN1Encodable value;

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

    public static EncryptedDataEncryptionKey getInstance(Object o)
    {
        if (o instanceof EncryptedDataEncryptionKey)
        {
            return (EncryptedDataEncryptionKey)o;
        }
        ASN1TaggedObject ato = ASN1TaggedObject.getInstance(o);
        switch (ato.getTagNo())
        {
        case eciesNistP256:
        case eciesBrainpoolP256r1:
            break;
        default:
            throw new IllegalStateException("unknown choice " + ato.getTagNo());
        }
        return new Builder()
            .setChoice(ato.getTagNo())
            .setValue(ato.getObject())
            .createEncryptedDataEncryptionKey();
    }

    public int getChoice()
    {
        return choice;
    }

    public ASN1Encodable getValue()
    {
        return value;
    }

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

    public static class Builder
    {

        private int choice;
        private ASN1Encodable value;

        public Builder setChoice(int choice)
        {
            this.choice = choice;
            return this;
        }

        public Builder setValue(ASN1Encodable value)
        {
            this.value = value;
            return this;
        }

        public EncryptedDataEncryptionKey createEncryptedDataEncryptionKey()
        {
            return new EncryptedDataEncryptionKey(choice, value);
        }
    }

}