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(MPK): check if *.msc entries are actually encrypted.

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This commit is contained in:
morkt 2017-03-03 17:42:51 +04:00
parent bbc77ecbaf
commit 01cd7d7675
1 changed files with 5 additions and 6 deletions
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11
ArcFormats/Propeller/ArcMPK.cs
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@ -76,12 +76,11 @@ namespace GameRes.Formats.Propeller
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (!entry.Name.EndsWith (".msc", StringComparison.InvariantCultureIgnoreCase))
return base.OpenEntry (arc, entry);
var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
for (int i = 0; i < data.Length; ++i)
data[i] ^= 0x88;
return new BinMemoryStream (data, entry.Name);
var input = arc.File.CreateStream (entry.Offset, entry.Size);
if (!entry.Name.EndsWith (".msc", StringComparison.InvariantCultureIgnoreCase)
|| 0x88 != input.PeekByte())
return input;
return new XoredStream (input, 0x88);
}
}
}