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(Cmvs): another encryption scheme.

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This commit is contained in:
morkt 2016-10-11 01:35:36 +04:00
parent a648aff032
commit 010384fbfa
2 changed files with 27 additions and 3 deletions
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24
ArcFormats/Cmvs/CmvsMD5.cs
View File

@ -2,7 +2,7 @@
//! \date Mon Nov 30 13:29:27 2015
//! \brief Cmvs engine MD5 update algorithm.
//
// Copyright (C) 2015 by morkt
// Copyright (C) 2015-2016 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
@ -27,7 +27,7 @@ using GameRes.Utility;
namespace GameRes.Formats.Cmvs
{
public enum Md5Variant { A, B, Chrono, Memoria }
public enum Md5Variant { A, B, Chrono, Memoria, Natsu }
public abstract class MD5 : Cryptography.MD5Base
{
@ -44,6 +44,7 @@ namespace GameRes.Formats.Cmvs
case Md5Variant.B: return new Md5VariantB();
case Md5Variant.Chrono: return new Md5Chrono();
case Md5Variant.Memoria: return new Md5Memoria();
case Md5Variant.Natsu: return new Md5Natsu();
default: throw new System.ArgumentException ("Unknown MD5 variant", "variant");
}
}
@ -131,4 +132,23 @@ namespace GameRes.Formats.Cmvs
data[3] = m_state[0];
}
}
public class Md5Natsu : MD5
{
protected override void InitState ()
{
m_state[0] = 0x63FE9A7C;
m_state[1] = 0xC2B93E98;
m_state[2] = 0xEF91BA5C;
m_state[3] = 0x72C9A82E;
}
protected override void SetResult (uint[] data)
{
data[0] = m_state[1] + 0x45876329;
data[1] = m_state[2] ^ 0x54F36D6C;
data[2] = m_state[3] + 0x4387A749;
data[3] = m_state[0] ^ 0xE3F9A742;
}
}
}

6
supported.html
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@ -465,6 +465,7 @@ Oto☆Puri<br/>
Prawf Clwyd<br/>
Rakuen no Rukia ~Blood Moon Rising~<br/>
Samayou Mitama ni Yasuragi no Toki wo<br/>
School Five ~Itsutsu no Himitsu no Monogatari~<br/>
Time Trouble ~Marie ni Kubikkake~<br/>
</td></tr>
<tr><td>*.dat</td><td>-</td><td>No</td><td>Ail</td><td>
@ -881,6 +882,7 @@ Chrono Clock<br/>
Hapymaher<br/>
Haruiro Ouse<br/>
Memoria<br/>
Natsu ni Kanaderu Bokura no Uta<br/>
</td></tr>
<tr class="last"><td>*.pb3</td><td><tt>PB3B</tt></td><td>No</td></tr>
<tr class="odd"><td>*.g2<br/>*.stx</td><td>-</td><td>No</td><td rowspan="2">GLib2</td><td rowspan="2">
@ -1086,8 +1088,9 @@ Kuraibito<br/>
Natsu Doki! Harem<br/>
Naze ka Kanojo ga Boku ni Ecchi o Sematte Kuru Ken<br/>
Onna Kyoushi Suzune<br/>
Oshioki ~Gakuen Reijou Kousei Keikaku~<br/>
Ore Maou! ~Kudake Chitta Tamashii<br/>
Oshioki ~Gakuen Reijou Kousei Keikaku~<br/>
Ouma no Shoku ~Sei ni Tsukaeshi Yami no Guuzou~<br/>
Volley Coaching!<br/>
Zoku Etsuraku no Tane<br/>
</td></tr>
@ -1177,6 +1180,7 @@ Lost Child<br/>
<tr class="odd last"><td>*.esd</td><td><tt>ESD</tt></td><td>No</td></tr>
<tr><td>*.pak</td><td><tt>NEKOPACK4A</tt></td><td>No</td><td>NekoSDK</td><td>
In Vitro Shoujo -Aragaishi Junshin Naru Shoujo-<br/>
Shirudaku Settai Okawari Ippaime<br/>
</td></tr>
<tr class="odd"><td>*.pcf</td><td><tt>PackCode</tt></td><td>No</td><td rowspan="2">Symphony</td><td rowspan="2">
Tiara<br/>