org.bouncycastle.asn1.crmf.EncKeyWithID 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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/******    DO NOT EDIT THIS CLASS bc-java SOURCE FILE     ******/
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package org.bouncycastle.asn1.crmf;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERUTF8String;
import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import org.bouncycastle.asn1.x509.GeneralName;

public class EncKeyWithID
    extends ASN1Object
{
    private final PrivateKeyInfo privKeyInfo;
    private final ASN1Encodable identifier;

    public static EncKeyWithID getInstance(Object o)
    {
        if (o instanceof EncKeyWithID)
        {
            return (EncKeyWithID)o;
        }
        else if (o != null)
        {
            return new EncKeyWithID(ASN1Sequence.getInstance(o));
        }

        return null;
    }

    private EncKeyWithID(ASN1Sequence seq)
    {
        this.privKeyInfo = PrivateKeyInfo.getInstance(seq.getObjectAt(0));

        if (seq.size() > 1)
        {
            if (!(seq.getObjectAt(1) instanceof DERUTF8String))
            {
                this.identifier = GeneralName.getInstance(seq.getObjectAt(1));
            }
            else
            {
                this.identifier = (ASN1Encodable)seq.getObjectAt(1);
            }
        }
        else
        {
            this.identifier = null;
        }
    }

    public EncKeyWithID(PrivateKeyInfo privKeyInfo)
    {
        this.privKeyInfo = privKeyInfo;
        this.identifier = null;
    }

    public EncKeyWithID(PrivateKeyInfo privKeyInfo, DERUTF8String str)
    {
        this.privKeyInfo = privKeyInfo;
        this.identifier = str;
    }

    public EncKeyWithID(PrivateKeyInfo privKeyInfo, GeneralName generalName)
    {
        this.privKeyInfo = privKeyInfo;
        this.identifier = generalName;
    }

    public PrivateKeyInfo getPrivateKey()
    {
        return privKeyInfo;
    }

    public boolean hasIdentifier()
    {
        return identifier != null;
    }

    public boolean isIdentifierUTF8String()
    {
        return identifier instanceof DERUTF8String;
    }

    public ASN1Encodable getIdentifier()
    {
        return identifier;
    }
    
    /**
     *      * EncKeyWithID ::= SEQUENCE {
     *      privateKey           PrivateKeyInfo,
     *      identifier CHOICE {
     *         string               UTF8String,
     *         generalName          GeneralName
     *     } OPTIONAL
     * }
     * 
     * @return an ASN.1 primitive composition of this EncKeyWithID.
     */
    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();

        v.add(privKeyInfo);

        if (identifier != null)
        {
            v.add(identifier);
        }

        return new DERSequence(v);
    }
}