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(DxOpener): log guessed key.

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This commit is contained in:
morkt
2018-10-25 16:48:07 +04:00
parent ad6bddcb48
commit 00ea0d3e4e
1 changed files with 29 additions and 5 deletions
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34
ArcFormats/DxLib/ArcDX.cs
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@@ -26,6 +26,7 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
@@ -63,11 +64,15 @@ namespace GameRes.Formats.DxLib
public DxOpener ()
{
Extensions = new string[] { "dxa", "hud", "usi", "med", "dat", "bin" };
Signatures = new uint[] { 0x19EF8ED4, 0xA9FCCEDD, 0x0AEE0FD3, 0x5523F211, 0x5524F211, 0x69FC5FE4, 0 };
Extensions = new string[] { "dxa", "hud", "usi", "med", "dat", "bin", "bcx" };
Signatures = new uint[] {
0x19EF8ED4, 0xA9FCCEDD, 0x0AEE0FD3, 0x5523F211, 0x5524F211, 0x69FC5FE4, 0x09E19ED9, 0
};
}
public static IList<byte[]> KnownKeys = new List<byte[]>();
DxScheme DefaultScheme = new DxScheme { KnownKeys = new List<byte[]>() };
public IList<byte[]> KnownKeys { get { return DefaultScheme.KnownKeys; } }
public override ArcFile TryOpen (ArcView file)
{
@@ -127,6 +132,7 @@ namespace GameRes.Formats.DxLib
if (null != dir)
{
KnownKeys.Insert (0, key);
Trace.WriteLine (string.Format ("Restored key '{0}'", RestoreKey (key)), "[DXA]");
return new DxArchive (file, this, dir, key, version);
}
}
@@ -311,10 +317,28 @@ namespace GameRes.Formats.DxLib
return key;
}
string RestoreKey (byte[] key)
{
var bin = key.Clone() as byte[];
bin[0] ^= 0xFF;
bin[1] = Binary.RotByteL (bin[1], 4);
bin[2] ^= 0x8A;
bin[3] = Binary.RotByteL ((byte)~bin[3], 4);
bin[4] ^= 0xFF;
bin[5] ^= 0xAC;
bin[6] ^= 0xFF;
bin[7] = Binary.RotByteL ((byte)~bin[7], 3);
bin[8] = Binary.RotByteR (bin[8], 3);
bin[9] ^= 0x7F;
bin[10] = Binary.RotByteL ((byte)(bin[10] ^ 0xD6), 4);
bin[11] ^= 0xCC;
return Encodings.cp932.GetString (bin);
}
public override ResourceScheme Scheme
{
get { return new DxScheme { KnownKeys = KnownKeys }; }
set { KnownKeys = ((DxScheme)value).KnownKeys; }
get { return DefaultScheme; }
set { DefaultScheme = (DxScheme)value; }
}
}