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- [Core] Added new entry

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Razmoth
2023-11-28 21:20:52 +04:00
parent df186e891b
commit 61032350fd
3 changed files with 41 additions and 26 deletions
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50
AssetStudio/BundleFile.cs
View File

@@ -163,11 +163,20 @@ namespace AssetStudio
case "UnityFS":
if (Game.Type.IsBH3Group())
{
var version = reader.ReadUInt32();
var version = Game.Type.IsBH3PrePre() ? 12 : reader.ReadUInt32();
if (version > 11)
{
Logger.Verbose($"Encrypted bundle header with key {version}");
XORShift128.InitSeed(version);
if (Game.Type.IsBH3PrePre())
{
Logger.Verbose($"Encrypted bundle header with key {reader.Length}");
XORShift128.InitSeed((uint)reader.Length);
}
else
{
Logger.Verbose($"Encrypted bundle header with key {version}");
XORShift128.InitSeed(version);
}
header.version = 6;
header.unityVersion = "5.x.x";
header.unityRevision = "2017.4.18f1";
@@ -322,25 +331,28 @@ namespace AssetStudio
}
}
private void DecryptHeader()
{
m_Header.flags ^= (ArchiveFlags)XORShift128.NextDecryptInt();
m_Header.size ^= XORShift128.NextDecryptLong();
m_Header.uncompressedBlocksInfoSize ^= XORShift128.NextDecryptUInt();
m_Header.compressedBlocksInfoSize ^= XORShift128.NextDecryptUInt();
XORShift128.Init = false;
Logger.Verbose($"Bundle header decrypted");
}
private void ReadHeader(FileReader reader)
{
if ((Game.Type.IsBH3Group()) && XORShift128.Init)
if (Game.Type.IsBH3Group() && XORShift128.Init)
{
m_Header.flags = (ArchiveFlags)reader.ReadUInt32();
m_Header.size = reader.ReadInt64();
m_Header.uncompressedBlocksInfoSize = reader.ReadUInt32();
m_Header.compressedBlocksInfoSize = reader.ReadUInt32();
DecryptHeader();
if (Game.Type.IsBH3PrePre())
{
m_Header.uncompressedBlocksInfoSize = reader.ReadUInt32() ^ XORShift128.NextDecryptUInt();
m_Header.compressedBlocksInfoSize = reader.ReadUInt32() ^ XORShift128.NextDecryptUInt();
m_Header.flags = (ArchiveFlags)(reader.ReadUInt32() ^ XORShift128.NextDecryptInt());
m_Header.size = reader.ReadInt64() ^ XORShift128.NextDecryptLong();
reader.ReadUInt32(); // version
}
else
{
m_Header.flags = (ArchiveFlags)(reader.ReadUInt32() ^ XORShift128.NextDecryptInt());
m_Header.size = reader.ReadInt64() ^ XORShift128.NextDecryptLong();
m_Header.uncompressedBlocksInfoSize = reader.ReadUInt32() ^ XORShift128.NextDecryptUInt();
m_Header.compressedBlocksInfoSize = reader.ReadUInt32() ^ XORShift128.NextDecryptUInt();
}
XORShift128.Init = false;
Logger.Verbose($"Bundle header decrypted");
var encUnityVersion = reader.ReadStringToNull();
var encUnityRevision = reader.ReadStringToNull();

8
AssetStudio/Crypto/XORShift128.cs
View File

@@ -5,11 +5,11 @@ namespace AssetStudio
{
public static class XORShift128
{
public static bool Init = false;
public static uint x = 0, y = 0, z = 0, w = 0, initseed = 0;
private const long SEED = 0x61C8864E7A143579;
private const uint MT19937 = 0x6C078965;
private static uint x = 0, y = 0, z = 0, w = 0, initseed = 0;
const long SEED = 0x61C8864E7A143579;
const uint MT19937 = 0x6C078965;
public static bool Init = false;
public static void InitSeed(uint seed)
{

9
AssetStudio/GameManager.cs
View File

@@ -21,6 +21,7 @@ namespace AssetStudio
Games.Add(index++, new Mhy(GameType.GI_CB3Pre, GI_CBXMhyShiftRow, GI_CBXMhyKey, GI_CBXMhyMul, GI_CBXExpansionKey, GI_CBXSBox, GI_CBXInitVector, GI_CBXInitSeed));
Games.Add(index++, new Mr0k(GameType.BH3, BH3ExpansionKey, BH3SBox, BH3InitVector, BH3BlockKey));
Games.Add(index++, new Mr0k(GameType.BH3Pre, PackExpansionKey, blockKey: PackBlockKey));
Games.Add(index++, new Mr0k(GameType.BH3PrePre, PackExpansionKey, blockKey: PackBlockKey));
Games.Add(index++, new Mr0k(GameType.SR_CB2, Mr0kExpansionKey, initVector: Mr0kInitVector, blockKey: Mr0kBlockKey));
Games.Add(index++, new Mr0k(GameType.SR, Mr0kExpansionKey, initVector: Mr0kInitVector, blockKey: Mr0kBlockKey));
Games.Add(index++, new Mr0k(GameType.ZZZ_CB1, Mr0kExpansionKey, initVector: Mr0kInitVector, blockKey: Mr0kBlockKey));
@@ -134,6 +135,7 @@ namespace AssetStudio
GI_CB3Pre,
BH3,
BH3Pre,
BH3PrePre,
ZZZ_CB1,
SR_CB2,
SR,
@@ -169,6 +171,7 @@ namespace AssetStudio
public static bool IsGICB3Pre(this GameType type) => type == GameType.GI_CB3Pre;
public static bool IsBH3(this GameType type) => type == GameType.BH3;
public static bool IsBH3Pre(this GameType type) => type == GameType.BH3Pre;
public static bool IsBH3PrePre(this GameType type) => type == GameType.BH3PrePre;
public static bool IsZZZCB1(this GameType type) => type == GameType.ZZZ_CB1;
public static bool IsSRCB2(this GameType type) => type == GameType.SR_CB2;
public static bool IsSR(this GameType type) => type == GameType.SR;
@@ -191,7 +194,7 @@ namespace AssetStudio
public static bool IsBH3Group(this GameType type) => type switch
{
GameType.BH3 or GameType.BH3Pre => true,
GameType.BH3 or GameType.BH3Pre or GameType.BH3PrePre => true,
_ => false,
};
@@ -203,13 +206,13 @@ namespace AssetStudio
public static bool IsBlockFile(this GameType type) => type switch
{
GameType.BH3 or GameType.BH3Pre or GameType.SR or GameType.GI_Pack or GameType.TOT or GameType.ArknightsEndfield => true,
GameType.BH3 or GameType.BH3Pre or GameType.BH3PrePre or GameType.SR or GameType.GI_Pack or GameType.TOT or GameType.ArknightsEndfield => true,
_ => false,
};
public static bool IsMhyGroup(this GameType type) => type switch
{
GameType.GI or GameType.GI_Pack or GameType.GI_CB1 or GameType.GI_CB2 or GameType.GI_CB3 or GameType.GI_CB3Pre or GameType.BH3 or GameType.BH3Pre or GameType.SR_CB2 or GameType.SR or GameType.ZZZ_CB1 or GameType.TOT => true,
GameType.GI or GameType.GI_Pack or GameType.GI_CB1 or GameType.GI_CB2 or GameType.GI_CB3 or GameType.GI_CB3Pre or GameType.BH3 or GameType.BH3Pre or GameType.BH3PrePre or GameType.SR_CB2 or GameType.SR or GameType.ZZZ_CB1 or GameType.TOT => true,
_ => false,
};
}