Crypto/src/asn1/pkcs/SafeBag.cs


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using Org.BouncyCastle.Asn1;

namespace Org.BouncyCastle.Asn1.Pkcs
{
    public class SafeBag
        : Asn1Encodable
    {
        private readonly DerObjectIdentifier bagID;
        private readonly Asn1Object bagValue;
        private readonly Asn1Set bagAttributes;

		public SafeBag(
            DerObjectIdentifier	oid,
            Asn1Object			obj)
        {
            this.bagID = oid;
            this.bagValue = obj;
            this.bagAttributes = null;
        }

		public SafeBag(
            DerObjectIdentifier	oid,
            Asn1Object			obj,
            Asn1Set				bagAttributes)
        {
            this.bagID = oid;
            this.bagValue = obj;
            this.bagAttributes = bagAttributes;
        }

		public SafeBag(
            Asn1Sequence seq)
        {
            this.bagID = (DerObjectIdentifier) seq[0];
            this.bagValue = ((DerTaggedObject) seq[1]).GetObject();
            if (seq.Count == 3)
            {
                this.bagAttributes = (Asn1Set) seq[2];
            }
        }

		public DerObjectIdentifier BagID
		{
			get { return bagID; }
		}

		public Asn1Object BagValue
		{
			get { return bagValue; }
		}

		public Asn1Set BagAttributes
		{
			get { return bagAttributes; }
		}

		public override Asn1Object ToAsn1Object()
        {
            Asn1EncodableVector v = new Asn1EncodableVector(
				bagID, new DerTaggedObject(0, bagValue));

			if (bagAttributes != null)
            {
                v.Add(bagAttributes);
            }

			return new DerSequence(v);
        }
    }
}