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(KiriKiri): another encryption scheme.

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This commit is contained in:
morkt 2016-09-08 17:55:34 +04:00
parent 546b5f986f
commit 1b317ae539
1 changed files with 23 additions and 0 deletions
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23
ArcFormats/KiriKiri/CryptAlgorithms.cs
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@ -742,4 +742,27 @@ namespace GameRes.Formats.KiriKiri
}
}
}
[Serializable]
public class HaikuoCrypt : ICrypt
{
public override byte Decrypt (Xp3Entry entry, long offset, byte value)
{
return (byte)(value ^ entry.Hash ^ (entry.Hash >> 8));
}
public override void Decrypt (Xp3Entry entry, long offset, byte[] values, int pos, int count)
{
byte key = (byte)(entry.Hash ^ (entry.Hash >> 8));
for (int i = 0; i < count; ++i)
{
values[pos+i] ^= key;
}
}
public override void Encrypt (Xp3Entry entry, long offset, byte[] values, int pos, int count)
{
Decrypt (entry, offset, values, pos, count);
}
}
}