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path: root/crypto/src/asn1/cmp/CertRepMessage.cs
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using System;

using Org.BouncyCastle.Utilities;

namespace Org.BouncyCastle.Asn1.Cmp
{
	public class CertRepMessage
		: Asn1Encodable
	{
		private readonly Asn1Sequence caPubs;
		private readonly Asn1Sequence response;
		
		private CertRepMessage(Asn1Sequence seq)
		{
			int index = 0;

			if (seq.Count > 1)
			{
				caPubs = Asn1Sequence.GetInstance((Asn1TaggedObject)seq[index++], true);
			}

			response = Asn1Sequence.GetInstance(seq[index]);
		}

		public static CertRepMessage GetInstance(object obj)
		{
			if (obj is CertRepMessage)
				return (CertRepMessage)obj;

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

            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
		}

		public CertRepMessage(CmpCertificate[] caPubs, CertResponse[] response)
		{
			if (response == null)
				throw new ArgumentNullException("response");

			if (caPubs != null)
			{
				this.caPubs = new DerSequence(caPubs);
			}

			this.response = new DerSequence(response);
		}

		public virtual CmpCertificate[] GetCAPubs()
		{
			if (caPubs == null)
				return null;

			CmpCertificate[] results = new CmpCertificate[caPubs.Count];
			for (int i = 0; i != results.Length; ++i)
			{
				results[i] = CmpCertificate.GetInstance(caPubs[i]);
			}
			return results;
		}

		public virtual CertResponse[] GetResponse()
		{
			CertResponse[] results = new CertResponse[response.Count];
			for (int i = 0; i != results.Length; ++i)
			{
				results[i] = CertResponse.GetInstance(response[i]);
			}
			return results;
		}

		/**
		 * <pre>
		 * CertRepMessage ::= SEQUENCE {
		 *                          caPubs       [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate
		 *                                                                             OPTIONAL,
		 *                          response         SEQUENCE OF CertResponse
		 * }
		 * </pre>
		 * @return a basic ASN.1 object representation.
		 */
		public override Asn1Object ToAsn1Object()
		{
			Asn1EncodableVector v = new Asn1EncodableVector();
            v.AddOptionalTagged(true, 1, caPubs);
			v.Add(response);
			return new DerSequence(v);
		}
	}
}