1 files changed, 102 insertions, 0 deletions
diff --git a/crypto/src/asn1/DerT61String.cs b/crypto/src/asn1/DerT61String.cs
new file mode 100644
index 000000000..4dee6f30c
--- /dev/null
+++ b/crypto/src/asn1/DerT61String.cs
@@ -0,0 +1,102 @@
+using System;
+
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1
+{
+    /**
+     * Der T61String (also the teletex string) - 8-bit characters
+     */
+    public class DerT61String
+        : DerStringBase
+    {
+		private readonly string str;
+
+		/**
+         * return a T61 string from the passed in object.
+         *
+         * @exception ArgumentException if the object cannot be converted.
+         */
+        public static DerT61String GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is DerT61String)
+            {
+                return (DerT61String)obj;
+            }
+
+            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+        }
+
+        /**
+         * return an T61 string from a tagged object.
+         *
+         * @param obj the tagged object holding the object we want
+         * @param explicitly true if the object is meant to be explicitly
+         *              tagged false otherwise.
+         * @exception ArgumentException if the tagged object cannot
+         *               be converted.
+         */
+        public static DerT61String GetInstance(
+            Asn1TaggedObject	obj,
+            bool				isExplicit)
+        {
+			Asn1Object o = obj.GetObject();
+
+			if (isExplicit || o is DerT61String)
+			{
+				return GetInstance(o);
+			}
+
+			return new DerT61String(Asn1OctetString.GetInstance(o).GetOctets());
+        }
+
+        /**
+         * basic constructor - with bytes.
+         */
+        public DerT61String(
+            byte[] str)
+			: this(Strings.FromByteArray(str))
+		{
+        }
+
+		/**
+         * basic constructor - with string.
+         */
+        public DerT61String(
+            string str)
+        {
+			if (str == null)
+				throw new ArgumentNullException("str");
+
+			this.str = str;
+        }
+
+		public override string GetString()
+        {
+            return str;
+        }
+
+        internal override void Encode(
+            DerOutputStream derOut)
+        {
+            derOut.WriteEncoded(Asn1Tags.T61String, GetOctets());
+        }
+
+        public byte[] GetOctets()
+        {
+			return Strings.ToByteArray(str);
+        }
+
+		protected override bool Asn1Equals(
+			Asn1Object asn1Object)
+		{
+			DerT61String other = asn1Object as DerT61String;
+
+			if (other == null)
+				return false;
+
+            return this.str.Equals(other.str);
+        }
+	}
+}