diff --git a/crypto/test/src/crypto/test/ElephantTest.cs b/crypto/test/src/crypto/test/ElephantTest.cs
new file mode 100644
index 000000000..ff350b338
--- /dev/null
+++ b/crypto/test/src/crypto/test/ElephantTest.cs
@@ -0,0 +1,92 @@
+using System;
+using NUnit.Framework;
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.Encoders;
+using Org.BouncyCastle.Utilities.Test;
+using System.Collections.Generic;
+using System.IO;
+using Org.BouncyCastle.Crypto.Engines;
+
+
+namespace BouncyCastle.Crypto.Tests
+{
+ public class ElephantTest : SimpleTest
+ {
+ public override string Name
+ {
+ get { return "Photon-Beetle"; }
+ }
+
+ [Test]
+ public override void PerformTest()
+ {
+ testVectors(ElephantEngine.ElephantParameters.elephant160, "v160");
+ testVectors(ElephantEngine.ElephantParameters.elephant176, "v176");
+ testVectors(ElephantEngine.ElephantParameters.elephant200, "v200");
+ }
+
+ private void testVectors(ElephantEngine.ElephantParameters pbp, String filename)
+ {
+ ElephantEngine Elephant = new ElephantEngine(pbp);
+ ICipherParameters param;
+ var buf = new Dictionary<string, string>();
+ //TestSampler sampler = new TestSampler();
+ using (var src = new StreamReader(SimpleTest.GetTestDataAsStream("crypto.elephant." + filename + "_LWC_AEAD_KAT_128_96.txt")))
+ {
+ string line;
+ string[] data;
+ byte[] ptByte, adByte;
+ byte[] rv;
+ Dictionary<string, string> map = new Dictionary<string, string>();
+ while ((line = src.ReadLine()) != null)
+ {
+ data = line.Split(' ');
+ if (data.Length == 1)
+ {
+ //if (!map["Count"].Equals("2"))
+ //{
+ // continue;
+ //}
+ param = new ParametersWithIV(new KeyParameter(Hex.Decode(map["Key"])), Hex.Decode(map["Nonce"]));
+ Elephant.Init(true, param);
+ adByte = Hex.Decode(map["AD"]);
+ Elephant.ProcessAadBytes(adByte, 0, adByte.Length);
+ ptByte = Hex.Decode(map["PT"]);
+ rv = new byte[Elephant.GetOutputSize(ptByte.Length)];
+ Elephant.ProcessBytes(ptByte, 0, ptByte.Length, rv, 0);
+ Elephant.DoFinal(rv, ptByte.Length);
+ //foreach (byte b in Hex.Decode(map["CT"]))
+ //{
+ // Console.Write(b.ToString("X2"));
+ //}
+ //Console.WriteLine();
+ //foreach (byte b in rv)
+ //{
+ // Console.Write(b.ToString("X2"));
+ //}
+ //Console.WriteLine();
+ Assert.True(Arrays.AreEqual(rv, Hex.Decode(map["CT"])));
+ //Console.WriteLine(map["Count"] + " pass");
+ map.Clear();
+ Elephant.Reset();
+ }
+ else
+ {
+ if (data.Length >= 3)
+ {
+ map[data[0].Trim()] = data[2].Trim();
+ }
+ else
+ {
+ map[data[0].Trim()] = "";
+ }
+
+ }
+ }
+ }
+ }
+ }
+}
+
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