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(WagOpener.GenerateKey): fixed key generation for non-ascii characters.

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morkt
2016-01-17 23:52:16 +04:00
parent a8491dcbfc
commit 15d17e80be
1 changed files with 8 additions and 8 deletions
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16
ArcFormats/Xuse/ArcWAG.cs
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@@ -2,7 +2,7 @@
//! \date Tue Aug 11 08:28:28 2015 //! \date Tue Aug 11 08:28:28 2015
//! \brief Xuse/Eternal resource archive. //! \brief Xuse/Eternal resource archive.
// //
// Copyright (C) 2015 by morkt // Copyright (C) 2015-2016 by morkt
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
@@ -201,14 +201,14 @@ namespace GameRes.Formats.Xuse
private byte[] GenerateKey (byte[] keyword, int index, int length) private byte[] GenerateKey (byte[] keyword, int index, int length)
{ {
uint hash = 0; int hash = 0;
for (uint i = 0; i < length; ++i) for (int i = 0; i < length; ++i)
hash = ((keyword[i+index] + i) ^ hash) + (uint)length; hash = (((sbyte)keyword[i+index] + i) ^ hash) + length;
uint key_length = (hash & 0xFF) + 0x40; int key_length = (hash & 0xFF) + 0x40;
for (int i = 0; i < length; ++i) for (int i = 0; i < length; ++i)
hash += keyword[i+index]; hash += (sbyte)keyword[i+index];
byte[] key = new byte[key_length--]; byte[] key = new byte[key_length--];
key[1] = (byte)(hash >> 8); key[1] = (byte)(hash >> 8);
@@ -217,9 +217,9 @@ namespace GameRes.Formats.Xuse
key[2] = 0x46; key[2] = 0x46;
key[3] = 0x88; key[3] = 0x88;
for (uint i = 4; i < key_length; ++i) for (int i = 4; i < key_length; ++i)
{ {
hash += ((keyword[i % length] ^ hash) + i) & 0xFF; hash += (((sbyte)keyword[i % length] ^ hash) + i) & 0xFF;
key[i] = (byte)hash; key[i] = (byte)hash;
} }
return key; return key;