Public-Mirror/GARbro-mirror
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2024-12-24 20:04:13 +08:00
Code Issues Projects Releases Wiki Activity

(KiriKiri.KissCrypt): new decryptor.

Browse Source
This commit is contained in:
morkt 2017-03-24 22:50:36 +04:00
parent 1d849c37d6
commit 77cb9a853f
1 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
ArcFormats/KiriKiri/CryptAlgorithms.cs
View File

@ -954,4 +954,26 @@ namespace GameRes.Formats.KiriKiri
[NonSerialized]
Dictionary<string, string> KnownNames = null;
}
[Serializable]
public class KissCrypt : ICrypt
{
public override void Decrypt (Xp3Entry entry, long offset, byte[] data, int pos, int count)
{
uint key = entry.Hash ^ (entry.Hash >> 19) ^ 0x4A9EEFF0u;
int i = 0;
while (0 != ((offset + i) & 0xF))
++i;
while (i < count)
{
data[pos+i] ^= (byte)(key ^ (offset + i));
i += 0x10;
}
}
public override void Encrypt (Xp3Entry entry, long offset, byte[] data, int pos, int count)
{
Decrypt (entry, offset, data, pos, count);
}
}
}