mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-24 03:44:13 +08:00
updated ShiinaRio encryption schemes.
This commit is contained in:
morkt
parent
5dfdf5f4d0
commit
d64949da56
@ -582,41 +582,58 @@ namespace GameRes.Formats.ShiinaRio
|
||||
}
|
||||
|
||||
[Serializable]
|
||||
public abstract class KeyDecryptExtra : IDecryptExtra
|
||||
public abstract class KeyDecryptBase : IDecryptExtra
|
||||
{
|
||||
readonly uint Key;
|
||||
readonly byte[] DecodeTable;
|
||||
protected readonly uint Seed;
|
||||
protected readonly byte[] DecodeTable;
|
||||
protected uint MinLength = 0x400;
|
||||
|
||||
public KeyDecryptExtra (uint key, byte[] decode_bin)
|
||||
public KeyDecryptBase (uint seed, byte[] decode_bin)
|
||||
{
|
||||
Key = key;
|
||||
Seed = seed;
|
||||
DecodeTable = decode_bin;
|
||||
}
|
||||
|
||||
public void Decrypt (byte[] data, int index, uint length, uint flags)
|
||||
{
|
||||
if (length < 0x400)
|
||||
if (length < MinLength)
|
||||
return;
|
||||
if ((flags & 0x202) == 0x202)
|
||||
{
|
||||
var k = new uint[4];
|
||||
InitKey (Key, k);
|
||||
for (int i = 0; i < 0xFF; ++i)
|
||||
{
|
||||
uint j = k[3] ^ (k[3] << 11) ^ k[0] ^ ((k[3] ^ (k[3] << 11) ^ (k[0] >> 11)) >> 8);
|
||||
k[3] = k[2];
|
||||
k[2] = k[1];
|
||||
k[1] = k[0];
|
||||
k[0] = j;
|
||||
data[index + i] ^= DecodeTable[j % DecodeTable.Length];
|
||||
}
|
||||
}
|
||||
DecryptPre (data, index, length);
|
||||
if ((flags & 0x204) == 0x204)
|
||||
DecryptPost (data, index, length);
|
||||
}
|
||||
|
||||
protected abstract void DecryptPre (byte[] data, int index, uint length);
|
||||
|
||||
protected virtual void DecryptPost (byte[] data, int index, uint length)
|
||||
{
|
||||
data[index + 0x200] ^= (byte)Seed;
|
||||
data[index + 0x201] ^= (byte)(Seed >> 8);
|
||||
data[index + 0x202] ^= (byte)(Seed >> 16);
|
||||
data[index + 0x203] ^= (byte)(Seed >> 24);
|
||||
}
|
||||
}
|
||||
|
||||
[Serializable]
|
||||
public abstract class KeyDecryptExtra : KeyDecryptBase
|
||||
{
|
||||
public KeyDecryptExtra (uint seed, byte[] decode_bin) : base (seed, decode_bin)
|
||||
{
|
||||
}
|
||||
|
||||
protected override void DecryptPre (byte[] data, int index, uint length)
|
||||
{
|
||||
var k = new uint[4];
|
||||
InitKey (Seed, k);
|
||||
for (int i = 0; i < 0xFF; ++i)
|
||||
{
|
||||
data[index + 0x200] ^= (byte)Key;
|
||||
data[index + 0x201] ^= (byte)(Key >> 8);
|
||||
data[index + 0x202] ^= (byte)(Key >> 16);
|
||||
data[index + 0x203] ^= (byte)(Key >> 24);
|
||||
uint j = k[3] ^ (k[3] << 11) ^ k[0] ^ ((k[3] ^ (k[3] << 11) ^ (k[0] >> 11)) >> 8);
|
||||
k[3] = k[2];
|
||||
k[2] = k[1];
|
||||
k[1] = k[0];
|
||||
k[0] = j;
|
||||
data[index + i] ^= DecodeTable[j % DecodeTable.Length];
|
||||
}
|
||||
}
|
||||
|
||||
@ -656,27 +673,64 @@ namespace GameRes.Formats.ShiinaRio
|
||||
}
|
||||
|
||||
[Serializable]
|
||||
public class UnknownCrypt : IDecryptExtra
|
||||
public class MakiFesCrypt : KeyDecryptBase
|
||||
{
|
||||
public MakiFesCrypt (uint seed, byte[] key) : base (seed, key)
|
||||
{
|
||||
}
|
||||
|
||||
protected override void DecryptPre (byte[] data, int index, uint length)
|
||||
{
|
||||
uint k = Seed;
|
||||
for (int i = 0; i < 0x100; ++i)
|
||||
{
|
||||
k = 0x343FD * k + 0x269EC3;
|
||||
data[index+i] ^= DecodeTable[((int)(k >> 16) & 0x7FFF) % DecodeTable.Length];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
[Serializable]
|
||||
public class MajimeCrypt : IDecryptExtra
|
||||
{
|
||||
public void Decrypt (byte[] data, int index, uint length, uint flags)
|
||||
{
|
||||
if (length < 0x200)
|
||||
return;
|
||||
if ((flags & 0x202) == 0x202)
|
||||
{
|
||||
int sum = 0;
|
||||
int bit = 0;
|
||||
byte v;
|
||||
for (int i = 0; i < 0x100; ++i)
|
||||
{
|
||||
v = data[index+i];
|
||||
sum += v >> 1;
|
||||
data[index+i] = (byte)(v >> 1 | bit);
|
||||
bit = v << 7;
|
||||
}
|
||||
data[index] |= (byte)bit;
|
||||
data[index + 0x104] ^= (byte)sum;
|
||||
data[index + 0x105] ^= (byte)(sum >> 8);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
[Serializable]
|
||||
public class AlcotCrypt : IDecryptExtra
|
||||
{
|
||||
public void Decrypt (byte[] data, int index, uint length, uint flags)
|
||||
{
|
||||
if (length < 0x400)
|
||||
return;
|
||||
int src = index;
|
||||
uint key = 0;
|
||||
for (uint i = (length & 0x7eu) + 1; i != 0; --i)
|
||||
if ((flags & 0x204) == 0x204)
|
||||
{
|
||||
key ^= data[src++];
|
||||
for (int j = 0; j < 8; ++j)
|
||||
{
|
||||
uint bit = key & 1;
|
||||
key = bit << 15 | key >> 1;
|
||||
if (0 == bit)
|
||||
key ^= 0x408;
|
||||
}
|
||||
var crc16 = new Kogado.Crc16();
|
||||
crc16.Update (data, index, (int)length & 0x7E | 1);
|
||||
var sum = crc16.Value ^ 0xFFFF;
|
||||
data[index + 0x104] ^= (byte)sum;
|
||||
data[index + 0x105] ^= (byte)(sum >> 8);
|
||||
}
|
||||
data[index+0x104] ^= (byte)key;
|
||||
data[index+0x105] ^= (byte)(key >> 8);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Binary file not shown.
@ -102,6 +102,7 @@ Okaa-san ga Ippai!<br/>
|
||||
Chikan Ou ~Inkoku no Souzousha~<br/>
|
||||
Daisaimin Rankou Gakuen<br/>
|
||||
Haitoku no Gakuen ~Yami ni Sasagerareta Otome-tachi~<br/>
|
||||
Haitoku no Gakuen 2 ~Yami o Tsugu Mono~<br/>
|
||||
Injoku Shinryuu Club<br/>
|
||||
Moon.<br/>
|
||||
Ryoujoku Famiresu Choukyou Menu<br/>
|
||||
@ -367,6 +368,7 @@ Touka Gettan<br/>
|
||||
</td></tr>
|
||||
<tr class="odd"><td>*</td><td><tt>\x00\x00\x04\x00</tt></td><td>No</td></tr>
|
||||
<tr><td>*.war</td><td><tt>WARC 1.7</tt><br/><tt>WARC 1.5</tt><br/><tt>WARC 1.3</tt></td><td>No</td><td rowspan="5">Shiina Rio</td><td rowspan="5">
|
||||
Aneiro <span class="footnote">ShiinaRio v2.49</span><br/>
|
||||
Can Fes! ~Itazura Majo to Naisho no Gakuensai~ <span class="footnote">ShiinaRio v2.47</span><br/>
|
||||
Chikan Circle <span class="footnote">ShiinaRio v2.46</span><br/>
|
||||
Chikan Circle 2 <span class="footnote">ShiinaRio v2.47</span><br/>
|
||||
@ -374,11 +376,13 @@ Chuuchuu Nurse <span class="footnote">ShiinaRio v2.45</span><br/>
|
||||
Classmate no Okaa-san <span class="footnote">ShiinaRio v2.37</span><br/>
|
||||
Draculius <span class="footnote">ShiinaRio v2.38</span><br/>
|
||||
Enkaku Sousa <span class="footnote">2.36 or 2.37</span><br/>
|
||||
Gohoushi Nurse ~Mayonaka no Kyousei Call~ <span class="footnote">ShiinaRio v2.50</span><br/>
|
||||
Helter Skelter <span class="footnote">ShiinaRio v2.40</span><br/>
|
||||
Hitozuma Onna Kyoushi Reika <span class="footnote">ShiinaRio v2.39</span><br/>
|
||||
Itsuka, Dokoka de ~Ano Ameoto no Kioku~<span class="footnote">2.36 or 2.37</span><br/>
|
||||
Kichiku Nakadashi Suieibu<span class="footnote">ShiinaRio v2.41</span><br/>
|
||||
Mahou Shoujo no Taisetsu na Koto <span class="footnote">ShiinaRio v2.47</span><br/>
|
||||
Maki Fes! <span class="footnote">ShiinaRio v2.50</span><br/>
|
||||
Nagagutsu wo Haita Deco <span class="footnote">ShiinaRio v2.39</span><br/>
|
||||
Najimi no Oba-chan <span class="footnote">ShiinaRio v2.47</span><br/>
|
||||
Niizuma to Yuukaihan <span class="footnote">ShiinaRio v2.45</span><br/>
|
||||
@ -386,9 +390,12 @@ Otome Chibaku Yuugi <span class="footnote">ShiinaRio v2.40</span><br/>
|
||||
Otome Juurin Yuugi <span class="footnote">ShiinaRio v2.37</span><br/>
|
||||
Ran→Sem <span class="footnote">ShiinaRio v2.47</span><br/>
|
||||
Rin×Sen <span class="footnote">ShiinaRio v2.47</span><br/>
|
||||
Shinigami no Testament <span class="footnote">ShiinaRio v2.49</span><br/>
|
||||
Shojo Mama<span class="footnote">ShiinaRio v2.49</span><br/>
|
||||
Tantei Shounen A<span class="footnote">some old version, like 2.twenty-something</span><br/>
|
||||
Tekoire Princess!<span class="footnote">ShiinaRio v2.37</span><br/>
|
||||
Wana ~Hakudaku Mamire no Houkago~<span class="footnote">ShiinaRio v2.36</span><br/>
|
||||
Wana II ~Gang Rape~<span class="footnote">ShiinaRio v2.44</span><br/>
|
||||
Yoyogi Hitozuma Senmon Gakuin<span class="footnote">ShiinaRio v2.37</span><br/>
|
||||
Zansho Omimai Moushiagemasu<span class="footnote">ShiinaRio v2.41</span><br/>
|
||||
</td></tr>
|
||||
@ -431,6 +438,7 @@ Shuffle! Essence+<br/>
|
||||
Clover Heart's<br/>
|
||||
Geki Tama! ~Seiryou Gakuen Engeki Bu~<br/>
|
||||
Maria ~Tenshi no Kiss to Akuma no Hanayome~<br/>
|
||||
Marionette Zero<br/>
|
||||
Triptych<br/>
|
||||
Tsurugi Otome Noah<br/>
|
||||
</td></tr>
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user