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use XoredStream instead of CryptoStream with XorTransform.

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This commit is contained in:
morkt 2016-12-25 06:47:13 +04:00
parent 544b4cb067
commit a303a66501
4 changed files with 5 additions and 5 deletions
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2
ArcFormats/Aoi/ArcBOX.cs
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@ -140,7 +140,7 @@ namespace GameRes.Formats.Aoi
var barc = arc as BoxArchive; var barc = arc as BoxArchive;
if (null == barc) if (null == barc)
return input; return input;
return new CryptoStream (input, new XorTransform (barc.Key), CryptoStreamMode.Read); return new XoredStream (input, barc.Key);
} }
} }

2
ArcFormats/ArcIKS.cs
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@ -80,7 +80,7 @@ namespace GameRes.Formats.X
{ {
byte key = KnownKeys.First().Value; byte key = KnownKeys.First().Value;
var input = arc.File.CreateStream (entry.Offset, entry.Size); var input = arc.File.CreateStream (entry.Offset, entry.Size);
return new CryptoStream (input, new XorTransform (key), CryptoStreamMode.Read); return new XoredStream (input, key);
} }
} }
} }

4
ArcFormats/KScript/ImageKGP.cs
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@ -58,7 +58,7 @@ namespace GameRes.Formats.KScript
y = header.ToInt32 (0x18); y = header.ToInt32 (0x18);
} }
using (var input = new StreamRegion (stream.AsStream, data_offset, true)) using (var input = new StreamRegion (stream.AsStream, data_offset, true))
using (var crypto = new CryptoStream (input, new XorTransform (key), CryptoStreamMode.Read)) using (var crypto = new XoredStream (input, key))
using (var png = new BinaryStream (crypto, stream.Name)) using (var png = new BinaryStream (crypto, stream.Name))
{ {
var info = Png.ReadMetaData (png); var info = Png.ReadMetaData (png);
@ -82,7 +82,7 @@ namespace GameRes.Formats.KScript
{ {
var meta = (KgpMetaData)info; var meta = (KgpMetaData)info;
using (var input = new StreamRegion (stream.AsStream, meta.DataOffset, true)) using (var input = new StreamRegion (stream.AsStream, meta.DataOffset, true))
using (var crypto = new CryptoStream (input, new XorTransform (meta.Key), CryptoStreamMode.Read)) using (var crypto = new XoredStream (input, meta.Key))
using (var png = new BinaryStream (crypto, stream.Name)) using (var png = new BinaryStream (crypto, stream.Name))
return Png.Read (png, info); return Png.Read (png, info);
} }

2
ArcFormats/Slg/ArcSZS.cs
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@ -70,7 +70,7 @@ namespace GameRes.Formats.Slg
public override Stream OpenEntry (ArcFile arc, Entry entry) public override Stream OpenEntry (ArcFile arc, Entry entry)
{ {
var input = arc.File.CreateStream (entry.Offset, entry.Size); var input = arc.File.CreateStream (entry.Offset, entry.Size);
return new CryptoStream (input, new XorTransform (0x90), CryptoStreamMode.Read); return new XoredStream (input, 0x90);
} }
} }
} }