1 files changed, 85 insertions, 0 deletions
diff --git a/crypto/src/asn1/cmp/CertOrEncCert.cs b/crypto/src/asn1/cmp/CertOrEncCert.cs
new file mode 100644
index 000000000..4c049c180
--- /dev/null
+++ b/crypto/src/asn1/cmp/CertOrEncCert.cs
@@ -0,0 +1,85 @@
+using System;
+
+using Org.BouncyCastle.Asn1.Crmf;
+
+namespace Org.BouncyCastle.Asn1.Cmp
+{
+	public class CertOrEncCert
+		: Asn1Encodable, IAsn1Choice
+	{
+		private readonly CmpCertificate certificate;
+		private readonly EncryptedValue encryptedCert;
+
+		private CertOrEncCert(Asn1TaggedObject tagged)
+		{
+			if (tagged.TagNo == 0)
+			{
+				certificate = CmpCertificate.GetInstance(tagged.GetObject());
+			}
+			else if (tagged.TagNo == 1)
+			{
+				encryptedCert = EncryptedValue.GetInstance(tagged.GetObject());
+			}
+			else
+			{
+				throw new ArgumentException("unknown tag: " + tagged.TagNo, "tagged");
+			}
+		}
+		
+		public static CertOrEncCert GetInstance(object obj)
+		{
+			if (obj is CertOrEncCert)
+				return (CertOrEncCert)obj;
+
+			if (obj is Asn1TaggedObject)
+				return new CertOrEncCert((Asn1TaggedObject)obj);
+
+			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+		}
+
+		public CertOrEncCert(CmpCertificate certificate)
+		{
+			if (certificate == null)
+				throw new ArgumentNullException("certificate");
+
+			this.certificate = certificate;
+		}
+
+		public CertOrEncCert(EncryptedValue encryptedCert)
+		{
+			if (encryptedCert == null)
+				throw new ArgumentNullException("encryptedCert");
+
+			this.encryptedCert = encryptedCert;
+		}
+
+		public virtual CmpCertificate Certificate
+		{
+			get { return certificate; }
+		}
+
+		public virtual EncryptedValue EncryptedCert
+		{
+			get { return encryptedCert; }
+		}
+
+		/**
+		 * <pre>
+		 * CertOrEncCert ::= CHOICE {
+		 *                      certificate     [0] CMPCertificate,
+		 *                      encryptedCert   [1] EncryptedValue
+		 *           }
+		 * </pre>
+		 * @return a basic ASN.1 object representation.
+		 */
+		public override Asn1Object ToAsn1Object()
+		{
+			if (certificate != null)
+			{
+				return new DerTaggedObject(true, 0, certificate);
+			}
+
+			return new DerTaggedObject(true, 1, encryptedCert);
+		}
+	}
+}