com.fitbur.bouncycastle.asn1.cms.OtherRecipientInfo Maven / Gradle / Ivy

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package com.fitbur.bouncycastle.asn1.cms;

import com.fitbur.bouncycastle.asn1.ASN1Encodable;
import com.fitbur.bouncycastle.asn1.ASN1EncodableVector;
import com.fitbur.bouncycastle.asn1.ASN1Object;
import com.fitbur.bouncycastle.asn1.ASN1ObjectIdentifier;
import com.fitbur.bouncycastle.asn1.ASN1Primitive;
import com.fitbur.bouncycastle.asn1.ASN1Sequence;
import com.fitbur.bouncycastle.asn1.ASN1TaggedObject;
import com.fitbur.bouncycastle.asn1.DERSequence;

/**
 * RFC 5652:
 * Content encryption key com.fitburlivery mechanisms.
 *  * OtherRecipientInfo ::= SEQUENCE {
 *    oriType OBJECT IDENTIFIER,
 *    oriValue ANY DEFINED BY oriType }
 * 
 */
public class OtherRecipientInfo
    extends ASN1Object
{
    private ASN1ObjectIdentifier    oriType;
    private ASN1Encodable           oriValue;

    public OtherRecipientInfo(
        ASN1ObjectIdentifier     oriType,
        ASN1Encodable            oriValue)
    {
        this.oriType = oriType;
        this.oriValue = oriValue;
    }

    /**
     * @com.fitburprecated use getInstance().
     */
    public OtherRecipientInfo(
        ASN1Sequence seq)
    {
        oriType = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0));
        oriValue = seq.getObjectAt(1);
    }

    /**
     * Return a OtherRecipientInfo object from a tagged object.
     *
     * @param obj the tagged object holding the object we want.
     * @param explicit true if the object is meant to be explicitly
     *              tagged false otherwise.
     * @exception IllegalArgumentException if the object held by the
     *          tagged object cannot be converted.
     */
    public static OtherRecipientInfo getInstance(
        ASN1TaggedObject    obj,
        boolean             explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }
    
    /**
     * Return a OtherRecipientInfo object from the given object.
     * 
     * Accepted inputs:
     * 

     *  null → null
     * 
 {@link PasswordRecipientInfo} object
     * 
 {@link com.fitbur.bouncycastle.asn1.ASN1Sequence#getInstance(java.lang.Object) ASN1Sequence} input formats with OtherRecipientInfo structure inside
     * 
     *
     * @param obj the object we want converted.
     * @exception IllegalArgumentException if the object cannot be converted.
     */
    public static OtherRecipientInfo getInstance(
        Object obj)
    {
        if (obj instanceof OtherRecipientInfo)
        {
            return (OtherRecipientInfo)obj;
        }
        
        if (obj != null)
        {
            return new OtherRecipientInfo(ASN1Sequence.getInstance(obj));
        }
        
        return null;
    }

    public ASN1ObjectIdentifier getType()
    {
        return oriType;
    }

    public ASN1Encodable getValue()
    {
        return oriValue;
    }

    /** 
     * Produce an object suitable for an ASN1OutputStream.
     */
    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector  v = new ASN1EncodableVector();

        v.add(oriType);
        v.add(oriValue);

        return new DERSequence(v);
    }
}