diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj
index d82775d1..2bffdb84 100644
--- a/ArcFormats/ArcFormats.csproj
+++ b/ArcFormats/ArcFormats.csproj
@@ -91,6 +91,7 @@
+
diff --git a/ArcFormats/ArcIKS.cs b/ArcFormats/ArcIKS.cs
new file mode 100644
index 00000000..a3871fcd
--- /dev/null
+++ b/ArcFormats/ArcIKS.cs
@@ -0,0 +1,124 @@
+//! \file ArcIKS.cs
+//! \date Wed Jul 08 07:07:09 2015
+//! \brief [IKS] archives implementation.
+//
+// Copyright (C) 2015 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using GameRes.Utility;
+
+namespace GameRes.Formats.X
+{
+ [Export(typeof(ArchiveFormat))]
+ public class IksOpener : ArchiveFormat
+ {
+ public override string Tag { get { return "IKS"; } }
+ public override string Description { get { return "X[iks] resource archive"; } }
+ public override uint Signature { get { return 0x5253504E; } } // 'NPSR'
+ public override bool IsHierarchic { get { return false; } }
+ public override bool CanCreate { get { return false; } }
+
+ public static Dictionary KnownKeys = new Dictionary() {
+ { "Shikkan ~Hazukashimerareta Karada, Oreta Kokoro~", 0x66 },
+ };
+
+ public override ArcFile TryOpen (ArcView file)
+ {
+ int count = file.View.ReadInt32 (4);
+ if (count <= 0 || count > 0xfffff)
+ return null;
+ uint index_offset = 0x10;
+ uint index_size = (uint)(0x28 * count);
+ if (index_size > file.View.Reserve (index_offset, index_size))
+ return null;
+ long data_offset = index_offset + index_size;
+ var dir = new List (count);
+ var name_buffer = new byte[0x18];
+ for (int i = 0; i < count; ++i)
+ {
+ byte name_length = Math.Min ((byte)0x17, file.View.ReadByte (index_offset));
+ if (name_length > name_buffer.Length)
+ return null;
+ file.View.Read (index_offset+1, name_buffer, 0, name_length);
+ string name = Encodings.cp932.GetString (name_buffer, 0, name_length);
+ var entry = FormatCatalog.Instance.CreateEntry (name);
+ entry.Offset = file.View.ReadUInt32 (index_offset+0x20);
+ entry.Size = file.View.ReadUInt32 (index_offset+0x1C);
+ if (entry.Offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
+ return null;
+ dir.Add (entry);
+ index_offset += 0x28;
+ }
+ return new ArcFile (file, this, dir);
+ }
+
+ public override Stream OpenEntry (ArcFile arc, Entry entry)
+ {
+ byte key = KnownKeys.First().Value;
+ var input = arc.File.CreateStream (entry.Offset, entry.Size);
+ return new CryptoStream (input, new XorTransform (key), CryptoStreamMode.Read);
+ }
+ }
+
+ public sealed class XorTransform : ICryptoTransform
+ {
+ private const int BlockSize = 256;
+ private byte m_key;
+
+ public bool CanReuseTransform { get { return true; } }
+ public bool CanTransformMultipleBlocks { get { return true; } }
+ public int InputBlockSize { get { return BlockSize; } }
+ public int OutputBlockSize { get { return BlockSize; } }
+
+ public XorTransform (byte key)
+ {
+ m_key = key;
+ }
+
+ public int TransformBlock (byte[] inputBuffer, int inputOffset, int inputCount,
+ byte[] outputBuffer, int outputOffset)
+ {
+ for (int i = 0; i < inputCount; ++i)
+ {
+ outputBuffer[outputOffset++] = (byte)(m_key ^ inputBuffer[inputOffset+i]);
+ }
+ return inputCount;
+ }
+
+ public byte[] TransformFinalBlock (byte[] inputBuffer, int inputOffset, int inputCount)
+ {
+ byte[] outputBuffer = new byte[inputCount];
+ TransformBlock (inputBuffer, inputOffset, inputCount, outputBuffer, 0);
+ return outputBuffer;
+ }
+
+ public void Dispose ()
+ {
+ System.GC.SuppressFinalize (this);
+ }
+ }
+}
diff --git a/ArcFormats/Properties/AssemblyInfo.cs b/ArcFormats/Properties/AssemblyInfo.cs
index 3f6d90b1..0b1ec475 100644
--- a/ArcFormats/Properties/AssemblyInfo.cs
+++ b/ArcFormats/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion ("1.0.7.74")]
-[assembly: AssemblyFileVersion ("1.0.7.74")]
+[assembly: AssemblyVersion ("1.0.7.75")]
+[assembly: AssemblyFileVersion ("1.0.7.75")]
diff --git a/supported.html b/supported.html
index e5f97fc1..91c2405f 100644
--- a/supported.html
+++ b/supported.html
@@ -238,6 +238,7 @@ Jokei Kazoku ~Inbou~