CrlValidatedID.cs :  » PDF » iTextSharp » Org » BouncyCastle » Asn1 » Esf » C# / CSharp Open Source

using System;

namespace Org.BouncyCastle.Asn1.Esf{
  /// <remarks>
  /// RFC 3126: 4.2.2 Complete Revocation Refs Attribute Definition
  /// <code>
  /// CrlValidatedID ::= SEQUENCE {
  ///    crlHash      OtherHash,
  ///    crlIdentifier  CrlIdentifier OPTIONAL}
  /// </code>
  /// </remarks>
  public class CrlValidatedID
    : Asn1Encodable
  {
    private readonly OtherHash    crlHash;
    private readonly CrlIdentifier  crlIdentifier;

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

      if (obj is Asn1Sequence)
        return new CrlValidatedID((Asn1Sequence) obj);

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

    private CrlValidatedID(
      Asn1Sequence seq)
    {
      if (seq == null)
        throw new ArgumentNullException("seq");
      if (seq.Count < 1 || seq.Count > 2)
        throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");

      this.crlHash = OtherHash.GetInstance(seq[0].ToAsn1Object());

      if (seq.Count > 1)
      {
        this.crlIdentifier = CrlIdentifier.GetInstance(seq[1].ToAsn1Object());
      }
    }

    public CrlValidatedID(
      OtherHash crlHash)
      : this(crlHash, null)
    {
    }

    public CrlValidatedID(
      OtherHash    crlHash,
      CrlIdentifier  crlIdentifier)
    {
      if (crlHash == null)
        throw new ArgumentNullException("crlHash");

      this.crlHash = crlHash;
      this.crlIdentifier = crlIdentifier;
    }

    public OtherHash CrlHash
    {
      get { return crlHash; }
    }

    public CrlIdentifier CrlIdentifier
    {
      get { return crlIdentifier; }
    }

    public override Asn1Object ToAsn1Object()
    {
      Asn1EncodableVector v = new Asn1EncodableVector(crlHash.ToAsn1Object());

      if (crlIdentifier != null)
      {
        v.Add(crlIdentifier.ToAsn1Object());
      }

      return new DerSequence(v);
    }
  }
}