OCSPRequest.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » Ocsp » C# / CSharp Open Source

using System;

using Org.BouncyCastle.Asn1;

namespace Org.BouncyCastle.Asn1.Ocsp{
    public class OcspRequest
        : Asn1Encodable
    {
        private readonly TbsRequest  tbsRequest;
        private readonly Signature  optionalSignature;

    public static OcspRequest GetInstance(
      Asn1TaggedObject  obj,
      bool        explicitly)
    {
      return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
    }

    public static OcspRequest GetInstance(
      object obj)
    {
      if (obj == null || obj is OcspRequest)
      {
        return (OcspRequest)obj;
      }

      if (obj is Asn1Sequence)
      {
        return new OcspRequest((Asn1Sequence)obj);
      }

      throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
    }

    public OcspRequest(
            TbsRequest  tbsRequest,
            Signature  optionalSignature)
        {
      if (tbsRequest == null)
        throw new ArgumentNullException("tbsRequest");

      this.tbsRequest = tbsRequest;
            this.optionalSignature = optionalSignature;
        }

    private OcspRequest(
            Asn1Sequence seq)
        {
            tbsRequest = TbsRequest.GetInstance(seq[0]);

      if (seq.Count == 2)
            {
                optionalSignature = Signature.GetInstance(
          (Asn1TaggedObject)seq[1], true);
            }
        }

    public TbsRequest TbsRequest
    {
      get { return tbsRequest; }
    }

    public Signature OptionalSignature
    {
      get { return optionalSignature; }
    }

    /**
         * Produce an object suitable for an Asn1OutputStream.
         * <pre>
         * OcspRequest     ::=     Sequence {
         *     tbsRequest                  TBSRequest,
         *     optionalSignature   [0]     EXPLICIT Signature OPTIONAL }
         * </pre>
         */
        public override Asn1Object ToAsn1Object()
        {
            Asn1EncodableVector v = new Asn1EncodableVector(tbsRequest);

      if (optionalSignature != null)
            {
                v.Add(new DerTaggedObject(true, 0, optionalSignature));
            }

      return new DerSequence(v);
        }
    }
}