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Merge branch 'master' of https://github.com/morkt/GARbro

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Crsky
2023-08-25 09:03:13 +08:00
parent e2109e4015 77fde27d26
commit 902b5381f3
119 changed files with 11077 additions and 617 deletions
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39
ArcFormats/KiriKiri/CryptAlgorithms.cs
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@@ -1555,4 +1555,43 @@ namespace GameRes.Formats.KiriKiri
Decrypt (entry, offset, buffer, pos, count);
}
}
[Serializable]
public class GensouCrypt : ICrypt
{
byte[] Key1;
uint[] Key2;
public GensouCrypt (byte[] key1, uint[] key2)
{
Key1 = key1;
Key2 = key2;
StartupTjsNotEncrypted = true;
}
public override void Decrypt (Xp3Entry entry, long offset, byte[] buffer, int pos, int count)
{
ushort off16 = (ushort)offset;
for (int i = 0; i < count; ++i)
{
buffer[pos+i] ^= (byte)(Key1[(Key2[off16 >> 3] >> ((off16 & 7) << 2)) & 0xF]
^ ((Key2[off16 >> 3] ^ entry.Hash) >> ((off16 & 3) << 3)));
off16++;
}
}
public override void Encrypt (Xp3Entry entry, long offset, byte[] buffer, int pos, int count)
{
Decrypt (entry, offset, buffer, pos, count);
}
public override void Init (ArcFile arc)
{
foreach (Xp3Entry entry in arc.Dir.Where (e => VFS.IsPathEqualsToFileName (e.Name, "btext.dll")
|| VFS.IsPathEqualsToFileName (e.Name, "initialize.tjs")))
{
entry.Cipher = Xp3Opener.NoCryptAlgorithm;
}
}
}
}