encryptedcontentinfo.java

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// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   EncryptedContentInfo.java

package jit.asn1.pkcs.pkcs7;

import jit.asn1.*;
import jit.asn1.x509.AlgorithmIdentifier;

public class EncryptedContentInfo
    implements DEREncodable
{

    private DERObjectIdentifier contentType;
    private AlgorithmIdentifier contentEncryptionAlgorithm;
    private ASN1OctetString encryptedContent;

    public EncryptedContentInfo(DERObjectIdentifier contentType, AlgorithmIdentifier contentEncryptionAlgorithm, ASN1OctetString encryptedContent)
    {
        this.contentType = contentType;
        this.contentEncryptionAlgorithm = contentEncryptionAlgorithm;
        this.encryptedContent = encryptedContent;
    }

    public EncryptedContentInfo(ASN1Sequence seq)
    {
        contentType = (DERObjectIdentifier)seq.getObjectAt(0);
        contentEncryptionAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
        if(seq.size() > 2)
            encryptedContent = ASN1OctetString.getInstance((ASN1TaggedObject)seq.getObjectAt(2), false);
    }

    public static EncryptedContentInfo getInstance(Object obj)
    {
        if(obj == null || (obj instanceof EncryptedContentInfo))
            return (EncryptedContentInfo)obj;
        if(obj instanceof ASN1Sequence)
            return new EncryptedContentInfo((ASN1Sequence)obj);
        else
            throw new IllegalArgumentException("Invalid EncryptedContentInfo: ".concat(String.valueOf(String.valueOf(obj.getClass().getName()))));
    }

    public DERObjectIdentifier getContentType()
    {
        return contentType;
    }

    public AlgorithmIdentifier getContentEncryptionAlgorithm()
    {
        return contentEncryptionAlgorithm;
    }

    public ASN1OctetString getEncryptedContent()
    {
        return encryptedContent;
    }

    public DERObject getDERObject()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();
        v.add(contentType);
        v.add(contentEncryptionAlgorithm);
        if(encryptedContent != null)
            v.add(new BERTaggedObject(false, 0, encryptedContent));
        return new BERSequence(v);
    }
}