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

using System;

using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Ocsp;

namespace Org.BouncyCastle.Ocsp{
  /**
   * base generator for an OCSP response - at the moment this only supports the
   * generation of responses containing BasicOCSP responses.
   */
  public class OCSPRespGenerator
  {
    public const int Successful      = 0;  // Response has valid confirmations
    public const int MalformedRequest  = 1;  // Illegal confirmation request
    public const int InternalError    = 2;  // Internal error in issuer
    public const int TryLater      = 3;  // Try again later
    // (4) is not used
    public const int SigRequired    = 5;  // Must sign the request
    public const int Unauthorized    = 6;  // Request unauthorized

    public OcspResp Generate(
      int     status,
      object  response)
    {
      if (response == null)
      {
        return new OcspResp(new OcspResponse(new OcspResponseStatus(status),null));
      }
      if (response is BasicOcspResp)
      {
        BasicOcspResp r = (BasicOcspResp)response;
        Asn1OctetString octs;

        try
        {
          octs = new DerOctetString(r.GetEncoded());
        }
        catch (Exception e)
        {
          throw new OcspException("can't encode object.", e);
        }

        ResponseBytes rb = new ResponseBytes(
          OcspObjectIdentifiers.PkixOcspBasic, octs);

        return new OcspResp(new OcspResponse(
          new OcspResponseStatus(status), rb));
      }

      throw new OcspException("unknown response object");
    }
  }
}