diff --git a/DiscImageChef.Devices/ChangeLog b/DiscImageChef.Devices/ChangeLog
index 04d797239..cd2b43705 100644
--- a/DiscImageChef.Devices/ChangeLog
+++ b/DiscImageChef.Devices/ChangeLog
@@ -1,3 +1,9 @@
+2017-05-23  Natalia Portillo  <claunia@claunia.com>
+
+	* Enums.cs:
+	* DiscImageChef.Devices.csproj:
+	* Kreon.cs: Added Kreon commands.
+
 2017-05-19  Natalia Portillo  <claunia@claunia.com>
 
 	* Enums.cs:
diff --git a/DiscImageChef.Devices/Device/ScsiCommands/Kreon.cs b/DiscImageChef.Devices/Device/ScsiCommands/Kreon.cs
new file mode 100644
index 000000000..818f212d5
--- /dev/null
+++ b/DiscImageChef.Devices/Device/ScsiCommands/Kreon.cs
@@ -0,0 +1,248 @@
+// /***************************************************************************
+// The Disc Image Chef
+// ----------------------------------------------------------------------------
+//
+// Filename       : Adaptec.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Adaptec vendor commands.
+//
+// --[ Description ] ----------------------------------------------------------
+//
+//     Contains vendor commands for Adaptec ACB-4000A and
+//     ACB-4070 ST-506 to SCSI controllers.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This library is free software; you can redistribute it and/or modify
+//     it under the terms of the GNU Lesser General Public License as
+//     published by the Free Software Foundation; either version 2.1 of the
+//     License, or (at your option) any later version.
+//
+//     This library is distributed in the hope that it will be useful, but
+//     WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+//     Lesser General Public License for more details.
+//
+//     You should have received a copy of the GNU Lesser General Public
+//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2017 Natalia Portillo
+// ****************************************************************************/
+
+using System;
+using DiscImageChef.Console;
+
+namespace DiscImageChef.Devices
+{
+    public partial class Device
+    {
+        /// <summary>
+        /// Sets the drive to the xtreme unlocked state
+        /// </summary>
+        /// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        public bool KreonDeprecatedUnlock(out byte[] senseBuffer, uint timeout, out double duration)
+        {
+            senseBuffer = new byte[32];
+            byte[] cdb = new byte[6];
+            byte[] buffer = new byte[0];
+            bool sense;
+
+            cdb[0] = (byte)ScsiCommands.Kreon_Command;
+            cdb[1] = 0x08;
+            cdb[2] = 0x01;
+            cdb[3] = 0x01;
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
+            error = lastError != 0;
+
+            DicConsole.DebugWriteLine("SCSI Device", "KREON DEPRECATED UNLOCK took {0} ms.", duration);
+
+            return sense;
+        }
+
+        /// <summary>
+        /// Sets the drive to the locked state.
+        /// </summary>
+        /// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        public bool KreonLock(out byte[] senseBuffer, uint timeout, out double duration)
+        {
+            return KreonSetLockState(out senseBuffer, KreonLockStates.Locked, timeout, out duration);
+        }
+
+        /// <summary>
+        /// Sets the drive to the xtreme unlocked state
+        /// </summary>
+        /// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        public bool KreonUnlockXtreme(out byte[] senseBuffer, uint timeout, out double duration)
+        {
+            return KreonSetLockState(out senseBuffer, KreonLockStates.Xtreme, timeout, out duration);
+        }
+
+        /// <summary>
+        /// Sets the drive to the wxripper unlocked state
+        /// </summary>
+        /// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        public bool KreonUnlockWxripper(out byte[] senseBuffer, uint timeout, out double duration)
+        {
+            return KreonSetLockState(out senseBuffer, KreonLockStates.Wxripper, timeout, out duration);
+        }
+
+        /// <summary>
+        /// Sets the drive to the specified lock state
+        /// </summary>
+        /// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        /// <param name="state">Lock state</param>
+        public bool KreonSetLockState(out byte[] senseBuffer, KreonLockStates state, uint timeout, out double duration)
+        {
+            senseBuffer = new byte[32];
+            byte[] cdb = new byte[6];
+            byte[] buffer = new byte[0];
+            bool sense;
+
+            cdb[0] = (byte)ScsiCommands.Kreon_Command;
+            cdb[1] = 0x08;
+            cdb[2] = 0x01;
+            cdb[3] = 0x11;
+            cdb[4] = (byte)state;
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
+            error = lastError != 0;
+
+            DicConsole.DebugWriteLine("SCSI Device", "KREON SET LOCK STATE took {0} ms.", duration);
+
+            return sense;
+        }
+
+        /// <summary>
+        /// Gets a list of supported features
+        /// </summary>
+        /// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        /// <param name="features">Features supported by drive.</param>
+        public bool KreonGetFeatureList(out byte[] senseBuffer, out KreonFeatures features, uint timeout, out double duration)
+        {
+            senseBuffer = new byte[32];
+            byte[] cdb = new byte[6];
+            byte[] buffer = new byte[26];
+            bool sense;
+            features = 0;
+
+            cdb[0] = (byte)ScsiCommands.Kreon_Command;
+            cdb[1] = 0x08;
+            cdb[2] = 0x01;
+            cdb[3] = 0x01;
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
+            error = lastError != 0;
+
+            DicConsole.DebugWriteLine("SCSI Device", "KREON GET FEATURE LIST took {0} ms.", duration);
+
+            if(sense)
+                return sense;
+
+            if(buffer[0] != 0xA5 || buffer[1] != 0x5A || buffer[2] != 0x5A || buffer[3] == 0xA5)
+                return true;
+
+            for(int i = 4; i < 26; i += 4)
+            {
+                ushort feature = BitConverter.ToUInt16(buffer, i);
+
+                if(feature == 0x0000)
+                    break;
+
+                switch(feature)
+                {
+                    case 0x0001:
+                        features |= KreonFeatures.XtremeUnlock360;
+                        break;
+                    case 0x0101:
+                        features |= KreonFeatures.WxripperUnlock360;
+                        break;
+                    case 0x2001:
+                        features |= KreonFeatures.DecryptSS360;
+                        break;
+                    case 0x2101:
+                        features |= KreonFeatures.ChallengeResponse360;
+                        break;
+                    case 0x0002:
+                        features |= KreonFeatures.XtremeUnlock;
+                        break;
+                    case 0x0102:
+                        features |= KreonFeatures.WxripperUnlock;
+                        break;
+                    case 0x2002:
+                        features |= KreonFeatures.DecryptSS;
+                        break;
+                    case 0x2102:
+                        features |= KreonFeatures.ChallengeResponse;
+                        break;
+                    case 0x00F0:
+                        features |= KreonFeatures.Lock;
+                        break;
+                    case 0x01F0:
+                        features |= KreonFeatures.ErrorSkipping;
+                        break;
+                }
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Gets the SS sector.
+        /// </summary>
+        /// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        /// <param name="buffer">The SS sector.</param>
+        public bool KreonExtractSS(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
+        {
+            buffer = new byte[2048];
+            byte[] cdb = new byte[12];
+            senseBuffer = new byte[32];
+            bool sense;
+
+            cdb[0] = (byte)ScsiCommands.Kreon_SS_Command;
+            cdb[1] = 0x00;
+            cdb[2] = 0xFF;
+            cdb[3] = 0x02;
+            cdb[4] = 0xFD;
+            cdb[5] = 0xFF;
+            cdb[6] = 0xFE;
+            cdb[7] = 0x00;
+            cdb[8] = 0x08;
+            cdb[9] = 0x00;
+            // TODO: Documentation puts this as xx but doesn't say what is the meaning.
+            cdb[10] = 0x00;
+            cdb[11] = 0xC0;
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
+            error = lastError != 0;
+
+            DicConsole.DebugWriteLine("SCSI Device", "KREON EXTRACT SS took {0} ms.", duration);
+
+            return sense;
+        }
+    }
+}
+
diff --git a/DiscImageChef.Devices/DiscImageChef.Devices.csproj b/DiscImageChef.Devices/DiscImageChef.Devices.csproj
index 37bae6608..a76851341 100644
--- a/DiscImageChef.Devices/DiscImageChef.Devices.csproj
+++ b/DiscImageChef.Devices/DiscImageChef.Devices.csproj
@@ -79,6 +79,7 @@
     <Compile Include="FreeBSD\Structs.cs" />
     <Compile Include="Device\MmcCommands\MMC.cs" />
     <Compile Include="Device\MmcCommands\SecureDigital.cs" />
+    <Compile Include="Device\ScsiCommands\Kreon.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
diff --git a/DiscImageChef.Devices/Enums.cs b/DiscImageChef.Devices/Enums.cs
index 2299131ea..c1156e659 100644
--- a/DiscImageChef.Devices/Enums.cs
+++ b/DiscImageChef.Devices/Enums.cs
@@ -2678,6 +2678,17 @@ namespace DiscImageChef.Devices
         /// </summary>
         Plasmon_Shred = 0xEE,
         #endregion Plasmon vendor commands
+
+        #region Kreon vendor commands
+        /// <summary>
+        /// Most Kreon commands start with this
+        /// </summary>
+        Kreon_Command = 0xFF,
+        /// <summary>
+        /// Kreon extract Security Sectors command start with this
+        /// </summary>
+        Kreon_SS_Command = 0xAD
+        #endregion Kreon vendor commands
     }
     #endregion SCSI Commands
 
@@ -3805,5 +3816,57 @@ namespace DiscImageChef.Devices
         ResponseSPI_R5 = ResponseSPI_S1 | ResponseSPI_S2,
         ResponseSPI_R7 = ResponseSPI_S1 | ResponseSPI_B4
     }
+
+    [Flags]
+    public enum KreonFeatures
+    {
+        /// <summary>
+        /// Drive can set the xtreme unlock state with Xbox 360 discs
+        /// </summary>
+        XtremeUnlock360,
+        /// <summary>
+        /// Drive can set the wxripper unlock state with Xbox 360 discs
+        /// </summary>
+        WxripperUnlock360,
+        /// <summary>
+        /// Drive can read and decrypt the SS from Xbox 360 discs
+        /// </summary>
+        DecryptSS360,
+        /// <summary>
+        /// Drive has full challenge response capabilities with Xbox 360 discs
+        /// </summary>
+        ChallengeResponse360,
+        /// <summary>
+        /// Drive can set the xtreme unlock state with Xbox discs
+        /// </summary>
+        XtremeUnlock,
+        /// <summary>
+        /// Drive can set the wxripper unlock state with Xbox discs
+        /// </summary>
+        WxripperUnlock,
+        /// <summary>
+        /// Drive can read and decrypt the SS from Xbox discs
+        /// </summary>
+        DecryptSS,
+        /// <summary>
+        /// Drive has full challenge response capabilities with Xbox discs
+        /// </summary>
+        ChallengeResponse,
+        /// <summary>
+        /// Drive supports the locked state
+        /// </summary>
+        Lock,
+        /// <summary>
+        /// Drive supports skipping read errors
+        /// </summary>
+        ErrorSkipping
+    }
+
+    public enum KreonLockStates : byte
+    {
+        Locked = 0,
+        Xtreme = 1,
+        Wxripper = 2
+    }
 }