mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-24 03:44:13 +08:00
(QLIE): implemented FilePackVer3.1
This commit is contained in:
morkt
parent
7ddc894742
commit
2d6dec4dfc
@ -104,6 +104,7 @@
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<Compile Include="Kaas\ArcPB.cs" />
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<Compile Include="Kaas\AudioKAAS.cs" />
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<Compile Include="Qlie\DelphiDeserializer.cs" />
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<Compile Include="Qlie\Encryption.cs" />
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<Compile Include="RealLive\ArcKOE.cs" />
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<Compile Include="Software House Parsley\ArcCG.cs" />
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<Compile Include="Artemis\ArcPFS.cs" />
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@ -51,23 +51,12 @@ namespace GameRes.Formats.Qlie
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internal class QlieArchive : ArcFile
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{
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/// <summary>
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/// Hash generated from the key data contained within archive index.
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/// </summary>
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public uint Hash;
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public readonly IEncryption Encryption;
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/// <summary>
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/// Internal game data used to decrypt encrypted entries.
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/// null if not used.
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/// </summary>
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public byte[] GameKeyData;
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public QlieArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir,
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uint hash, byte[] key_data)
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public QlieArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, IEncryption enc)
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: base (arc, impl, dir)
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{
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Hash = hash;
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GameKeyData = key_data;
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Encryption = enc;
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}
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}
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@ -115,11 +104,10 @@ namespace GameRes.Formats.Qlie
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return null;
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long index_offset = file.MaxOffset - 0x1c;
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if (!file.View.AsciiEqual (index_offset, "FilePackVer")
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|| !file.View.AsciiEqual (index_offset+0xC, ".0"))
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|| '.' != file.View.ReadByte (index_offset+0xC))
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return null;
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int pack_version = file.View.ReadByte (index_offset+0xB) - '0';
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if (pack_version < 1 || pack_version > 3)
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throw new NotSupportedException ("Not supported QLIE archive version");
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var pack_version = new Version (file.View.ReadByte (index_offset+0xB) - '0',
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file.View.ReadByte (index_offset+0xD) - '0');
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int count = file.View.ReadInt32 (index_offset+0x10);
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if (!IsSaneCount (count))
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return null;
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@ -129,9 +117,8 @@ namespace GameRes.Formats.Qlie
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byte[] arc_key = null;
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byte[] key_file = null;
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uint name_key = 0xC4; // default name encryption key for versions 1 and 2
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bool use_pack_keyfile = false;
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if (3 == pack_version)
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if (pack_version.Major >= 3)
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{
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key_file = FindKeyFile (file);
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use_pack_keyfile = key_file != null;
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@ -139,51 +126,45 @@ namespace GameRes.Formats.Qlie
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if (use_pack_keyfile)
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arc_key = QueryEncryption (file);
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// use_pack_keyfile = null != arc_key;
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var key_data = file.View.ReadBytes (file.MaxOffset-0x41C, 0x100);
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name_key = GenerateKey (key_data) & 0x0FFFFFFFu;
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}
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var enc = QlieEncryption.Create (file, pack_version, arc_key);
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var name_buffer = new byte[0x100];
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var dir = new List<Entry> (count);
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using (var index = file.CreateStream (index_offset))
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{
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for (int i = 0; i < count; ++i)
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{
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int name_length = file.View.ReadUInt16 (index_offset);
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int name_length = index.ReadUInt16();
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if (enc.IsUnicode)
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name_length *= 2;
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if (name_length > name_buffer.Length)
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name_buffer = new byte[name_length];
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if (name_length != file.View.Read (index_offset+2, name_buffer, 0, (uint)name_length))
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if (name_length != index.Read (name_buffer, 0, name_length))
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return null;
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int key = name_length + ((int)name_key ^ 0x3e);
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for (int k = 0; k < name_length; ++k)
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name_buffer[k] ^= (byte)(((k + 1) ^ key) + k + 1);
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string name = Encodings.cp932.GetString (name_buffer, 0, name_length);
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var name = enc.DecryptName (name_buffer, name_length);
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var entry = FormatCatalog.Instance.Create<QlieEntry> (name);
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if (use_pack_keyfile)
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entry.RawName = name_buffer.Take (name_length).ToArray();
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index_offset += 2 + name_length;
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entry.Offset = file.View.ReadInt64 (index_offset);
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entry.Size = file.View.ReadUInt32 (index_offset+8);
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entry.Offset = index.ReadInt64(); // [+00]
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entry.Size = index.ReadUInt32(); // [+08]
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.UnpackedSize = file.View.ReadUInt32 (index_offset+12);
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entry.IsPacked = 0 != file.View.ReadInt32 (index_offset+0x10);
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entry.IsEncrypted = 0 != file.View.ReadInt32 (index_offset+0x14);
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entry.Hash = file.View.ReadUInt32 (index_offset+0x18);
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entry.UnpackedSize = index.ReadUInt32(); // [+0C]
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entry.IsPacked = 0 != index.ReadInt32(); // [+10]
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entry.IsEncrypted = 0 != index.ReadInt32(); // [+14]
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entry.Hash = index.ReadUInt32(); // [+18]
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entry.KeyFile = key_file;
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if (3 == pack_version && use_pack_keyfile && entry.Name.Contains ("pack_keyfile"))
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if (3 == pack_version.Major && use_pack_keyfile && entry.Name.Contains ("pack_keyfile"))
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{
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// note that 'pack_keyfile' itself is encrypted using 'key.fkey' file contents.
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key_file = ReadEntryBytes (file, entry, name_key, arc_key);
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key_file = ReadEntryBytes (file, entry, enc);
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}
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dir.Add (entry);
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index_offset += 0x1c;
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}
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if (pack_version < 3)
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name_key = 0;
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return new QlieArchive (file, this, dir, name_key, arc_key);
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}
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return new QlieArchive (file, this, dir, enc);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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@ -192,125 +173,27 @@ namespace GameRes.Formats.Qlie
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var qarc = arc as QlieArchive;
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if (null == qent || null == qarc || (!qent.IsEncrypted && !qent.IsPacked))
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return arc.File.CreateStream (entry.Offset, entry.Size);
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var data = ReadEntryBytes (arc.File, qent, qarc.Hash, qarc.GameKeyData);
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var data = ReadEntryBytes (arc.File, qent, qarc.Encryption);
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return new BinMemoryStream (data, entry.Name);
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}
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private byte[] ReadEntryBytes (ArcView file, QlieEntry entry, uint hash, byte[] game_key)
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private byte[] ReadEntryBytes (ArcView file, QlieEntry entry, IEncryption enc)
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{
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var data = file.View.ReadBytes (entry.Offset, entry.Size);
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if (entry.IsEncrypted)
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{
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if (entry.KeyFile != null)
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DecryptV3 (data, 0, data.Length, entry.RawName, hash, entry.KeyFile, game_key);
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else
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Decrypt (data, 0, data.Length, hash);
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enc.DecryptEntry (data, 0, data.Length, entry);
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}
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if (entry.IsPacked)
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{
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var unpacked = Decompress (data);
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if (null != unpacked)
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data = unpacked;
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data = Decompress (data) ?? data;
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}
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return data;
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}
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private void Decrypt (byte[] buffer, int offset, int length, uint key)
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{
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if (offset < 0)
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throw new ArgumentOutOfRangeException ("offset");
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if (length > buffer.Length || offset > buffer.Length - length)
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throw new ArgumentOutOfRangeException ("length");
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ulong hash = 0xA73C5F9DA73C5F9Dul;
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ulong xor = ((uint)length + key) ^ 0xFEC9753Eu;
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xor |= xor << 32;
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unsafe
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{
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fixed (byte* raw = buffer)
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{
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ulong* encoded = (ulong*)(raw + offset);
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for (int i = 0; i < length / 8; ++i)
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{
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hash = MMX.PAddD (hash, 0xCE24F523CE24F523ul) ^ xor;
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xor = *encoded ^ hash;
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*encoded++ = xor;
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}
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}
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}
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}
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private void DecryptV3 (byte[] data, int offset, int length, byte[] file_name,
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uint arc_hash, byte[] key_file, byte[] game_key)
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{
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// play it safe with 'unsafe' sections
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if (offset < 0)
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throw new ArgumentOutOfRangeException ("offset");
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if (length > data.Length || offset > data.Length - length)
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throw new ArgumentOutOfRangeException ("length");
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if (length < 8)
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return;
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uint hash = 0x85F532;
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uint seed = 0x33F641;
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for (uint i = 0; i < file_name.Length; i++)
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{
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hash += (i & 0xFF) * file_name[i];
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seed ^= hash;
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}
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seed += arc_hash ^ (7 * ((uint)data.Length & 0xFFFFFF) + (uint)data.Length
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+ hash + (hash ^ (uint)data.Length ^ 0x8F32DCu));
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seed = 9 * (seed & 0xFFFFFF);
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if (game_key != null)
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seed ^= 0x453A;
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var mt = new QlieMersenneTwister (seed);
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if (key_file != null)
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mt.XorState (key_file);
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if (game_key != null)
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mt.XorState (game_key);
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// game code fills dword[41] table, but only the first 16 qwords are used
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ulong[] table = new ulong[16];
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for (int i = 0; i < table.Length; ++i)
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table[i] = mt.Rand64();
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// compensate for 9 discarded dwords
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for (int i = 0; i < 9; ++i)
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mt.Rand();
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ulong hash64 = mt.Rand64();
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uint t = mt.Rand() & 0xF;
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unsafe
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{
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fixed (byte* raw_data = &data[offset])
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{
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ulong* data64 = (ulong*)raw_data;
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int qword_length = length / 8;
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for (int i = 0; i < qword_length; ++i)
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{
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hash64 = MMX.PAddD (hash64 ^ table[t], table[t]);
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ulong d = data64[i] ^ hash64;
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data64[i] = d;
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hash64 = MMX.PAddB (hash64, d) ^ d;
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hash64 = MMX.PAddW (MMX.PSllD (hash64, 1), d);
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t++;
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t &= 0xF;
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}
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}
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}
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}
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internal static byte[] Decompress (byte[] input)
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{
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if (LittleEndian.ToUInt32 (input, 0) != 0xFF435031)
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if (LittleEndian.ToUInt32 (input, 0) != 0xFF435031) // '1PC\xFF'
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return null;
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bool is_16bit = 0 != (input[4] & 1);
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@ -393,25 +276,6 @@ namespace GameRes.Formats.Qlie
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return output;
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}
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uint GenerateKey (byte[] key_data)
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{
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ulong hash = 0;
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ulong key = 0;
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unsafe
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{
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fixed (byte* data = key_data)
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{
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ulong* data64 = (ulong*)data;
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for (int i = key_data.Length / 8; i > 0; --i)
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{
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hash = MMX.PAddW (hash, 0x0307030703070307);
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key = MMX.PAddW (key, *data64++ ^ hash);
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}
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}
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}
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return (uint)(key ^ (key >> 32));
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}
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public override ResourceOptions GetDefaultOptions ()
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{
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return new QlieOptions {
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339
ArcFormats/Qlie/Encryption.cs
Normal file
339
ArcFormats/Qlie/Encryption.cs
Normal file
@ -0,0 +1,339 @@
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//! \file Encryption.cs
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//! \date Sun Mar 12 04:51:11 2017
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//! \brief QLIE encryption-related classes.
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//
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// Copyright (C) 2017 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Text;
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namespace GameRes.Formats.Qlie
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{
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internal interface IEncryption
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{
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bool IsUnicode { get; }
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uint CalculateHash (byte[] data, int length);
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string DecryptName (byte[] name, int name_length);
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void DecryptEntry (byte[] data, int offset, int length, QlieEntry entry);
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}
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internal abstract class QlieEncryption : IEncryption
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{
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public virtual bool IsUnicode { get { return false; } }
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/// <summary>
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/// Hash generated from the key data contained within archive index.
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/// </summary>
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public uint ArcKey { get; protected set; }
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public static IEncryption Create (ArcView file, Version version, byte[] arc_key)
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{
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if (2 == version.Major || 1 == version.Major)
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return new EncryptionV2();
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else if (3 == version.Major && 1 == version.Minor)
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return new EncryptionV3_1 (file);
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else if (3 == version.Major && 0 == version.Minor)
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return new EncryptionV3 (file, arc_key);
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else
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throw new NotSupportedException ("Not supported QLIE archive version");
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}
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public abstract uint CalculateHash (byte[] data, int length);
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public abstract string DecryptName (byte[] name, int name_length);
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public abstract void DecryptEntry (byte[] data, int offset, int length, QlieEntry entry);
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}
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internal class EncryptionV2 : QlieEncryption
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{
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public EncryptionV2 ()
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{
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ArcKey = 0xC4;
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}
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public override uint CalculateHash (byte[] data, int length)
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{
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return 0; // not implemented
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}
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public override string DecryptName (byte[] name, int name_length)
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{
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int key = name_length + ((int)ArcKey ^ 0x3E);
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for (int k = 0; k < name_length; ++k)
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name[k] ^= (byte)(((k + 1) ^ key) + k + 1);
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return Encodings.cp932.GetString (name, 0, name_length);
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}
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public override void DecryptEntry (byte[] data, int offset, int length, QlieEntry entry)
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{
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if (offset < 0)
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throw new ArgumentOutOfRangeException ("offset");
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if (length > data.Length || offset > data.Length - length)
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throw new ArgumentOutOfRangeException ("length");
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uint arc_key = 0; // ArcKey?
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ulong hash = 0xA73C5F9DA73C5F9Dul;
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ulong xor = ((uint)length + arc_key) ^ 0xFEC9753Eu;
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xor |= xor << 32;
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unsafe
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{
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fixed (byte* raw = data)
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{
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ulong* encoded = (ulong*)(raw + offset);
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for (int i = 0; i < length / 8; ++i)
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{
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hash = MMX.PAddD (hash, 0xCE24F523CE24F523ul) ^ xor;
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xor = *encoded ^ hash;
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*encoded++ = xor;
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}
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}
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}
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}
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}
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internal class EncryptionV3 : EncryptionV2
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{
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/// <summary>
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/// Internal game data used to decrypt encrypted entries.
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/// null if not used.
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/// </summary>
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public byte[] GameKeyData;
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public EncryptionV3 (ArcView file, byte[] game_key)
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{
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GameKeyData = game_key;
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var key_data = file.View.ReadBytes (file.MaxOffset-0x41C, 0x100);
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ArcKey = CalculateHash (key_data, key_data.Length) & 0x0FFFFFFFu;
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}
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public override uint CalculateHash (byte[] data, int length)
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{
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if (length > data.Length)
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throw new ArgumentOutOfRangeException ("length");
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unsafe
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{
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fixed (byte* data8 = data)
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{
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ulong hash = 0;
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ulong key = 0;
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ulong* data64 = (ulong*)data8;
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for (int i = length / 8; i > 0; --i)
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{
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hash = MMX.PAddW (hash, 0x0307030703070307);
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key = MMX.PAddW (key, *data64++ ^ hash);
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}
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return (uint)(key ^ (key >> 32));
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}
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}
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}
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public override void DecryptEntry (byte[] data, int offset, int length, QlieEntry entry)
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{
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var key_file = entry.KeyFile;
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if (null == key_file)
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{
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base.DecryptEntry (data, offset, length, entry);
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return;
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}
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// play it safe with 'unsafe' sections
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if (offset < 0)
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throw new ArgumentOutOfRangeException ("offset");
|
||||
if (length > data.Length || offset > data.Length - length)
|
||||
throw new ArgumentOutOfRangeException ("length");
|
||||
|
||||
if (length < 8)
|
||||
return;
|
||||
|
||||
var file_name = entry.RawName;
|
||||
uint hash = 0x85F532;
|
||||
uint seed = 0x33F641;
|
||||
|
||||
for (uint i = 0; i < file_name.Length; i++)
|
||||
{
|
||||
hash += (i & 0xFF) * file_name[i];
|
||||
seed ^= hash;
|
||||
}
|
||||
|
||||
seed += ArcKey ^ (7 * ((uint)length & 0xFFFFFF) + (uint)length
|
||||
+ hash + (hash ^ (uint)length ^ 0x8F32DCu));
|
||||
seed = 9 * (seed & 0xFFFFFF);
|
||||
|
||||
if (GameKeyData != null)
|
||||
seed ^= 0x453A;
|
||||
|
||||
var mt = new QlieMersenneTwister (seed);
|
||||
if (key_file != null)
|
||||
mt.XorState (key_file);
|
||||
if (GameKeyData != null)
|
||||
mt.XorState (GameKeyData);
|
||||
|
||||
// game code fills dword[41] table, but only the first 16 qwords are used
|
||||
ulong[] table = new ulong[16];
|
||||
for (int i = 0; i < table.Length; ++i)
|
||||
table[i] = mt.Rand64();
|
||||
|
||||
// compensate for 9 discarded dwords
|
||||
for (int i = 0; i < 9; ++i)
|
||||
mt.Rand();
|
||||
|
||||
ulong hash64 = mt.Rand64();
|
||||
uint t = mt.Rand() & 0xF;
|
||||
unsafe
|
||||
{
|
||||
fixed (byte* raw_data = &data[offset])
|
||||
{
|
||||
ulong* data64 = (ulong*)raw_data;
|
||||
int qword_length = length / 8;
|
||||
for (int i = 0; i < qword_length; ++i)
|
||||
{
|
||||
hash64 = MMX.PAddD (hash64 ^ table[t], table[t]);
|
||||
|
||||
ulong d = data64[i] ^ hash64;
|
||||
data64[i] = d;
|
||||
|
||||
hash64 = MMX.PAddB (hash64, d) ^ d;
|
||||
hash64 = MMX.PAddW (MMX.PSllD (hash64, 1), d);
|
||||
|
||||
t++;
|
||||
t &= 0xF;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal class EncryptionV3_1 : QlieEncryption
|
||||
{
|
||||
public override bool IsUnicode { get { return true; } }
|
||||
|
||||
public EncryptionV3_1 (ArcView file)
|
||||
{
|
||||
var key_data = file.View.ReadBytes (file.MaxOffset-0x41C, 0x100);
|
||||
ArcKey = CalculateHash (key_data, key_data.Length) & 0x0FFFFFFFu;
|
||||
}
|
||||
|
||||
public override uint CalculateHash (byte[] data, int length)
|
||||
{
|
||||
if (length > data.Length)
|
||||
throw new ArgumentOutOfRangeException ("length");
|
||||
unsafe
|
||||
{
|
||||
fixed (byte* data8 = data)
|
||||
{
|
||||
ulong hash = 0;
|
||||
ulong key = 0;
|
||||
ulong* data64 = (ulong*)data8;
|
||||
for (int i = length / 8; i > 0; --i)
|
||||
{
|
||||
hash = MMX.PAddW (hash, 0xA35793A7A35793A7ul);
|
||||
key = MMX.PAddW (key, *data64++ ^ hash);
|
||||
key = MMX.PSllD (key, 3) | MMX.PSrlD (key, 29);
|
||||
}
|
||||
// MMX.PMAddWD (key, key >> 32);
|
||||
return (uint)((short)key * (short)(key >> 32) + (short)(key >> 16) * (short)(key >> 48));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public override string DecryptName (byte[] name, int name_length)
|
||||
{
|
||||
int char_count = name_length / 2;
|
||||
int hash = (char_count * char_count) ^ char_count;
|
||||
hash ^= (int)(0x3E13 ^ (ArcKey >> 16) ^ ArcKey);
|
||||
hash &= 0xFFFF;
|
||||
int key = hash;
|
||||
for (int i = 0; i < char_count; ++i)
|
||||
{
|
||||
key = hash + i + 8 * key;
|
||||
name[i*2 ] ^= (byte)key;
|
||||
name[i*2+1] ^= (byte)(key >> 8);
|
||||
}
|
||||
return Encoding.Unicode.GetString (name, 0, name_length);
|
||||
}
|
||||
|
||||
public override void DecryptEntry (byte[] data, int offset, int length, QlieEntry entry)
|
||||
{
|
||||
if (offset < 0)
|
||||
throw new ArgumentOutOfRangeException ("offset");
|
||||
if (length > data.Length || offset > data.Length - length)
|
||||
throw new ArgumentOutOfRangeException ("length");
|
||||
if (length < 8)
|
||||
return;
|
||||
|
||||
var file_name = entry.Name;
|
||||
uint hash = 0x85F532;
|
||||
uint seed = 0x33F641;
|
||||
|
||||
for (int i = 0; i < file_name.Length; i++)
|
||||
{
|
||||
hash += (uint)(file_name[i] << (i & 7));
|
||||
seed ^= hash;
|
||||
}
|
||||
|
||||
seed += ArcKey ^ (7 * ((uint)length & 0xFFFFFF) + (uint)length
|
||||
+ hash + (hash ^ (uint)length ^ 0x8F32DCu));
|
||||
seed = 9 * (seed & 0xFFFFFF);
|
||||
var table = GenerateTable (0x20, seed); // originally 0x2C, 12 dwords not used
|
||||
unsafe
|
||||
{
|
||||
fixed (byte* raw_data = &data[offset])
|
||||
{
|
||||
ulong* data64 = (ulong*)raw_data;
|
||||
int qword_length = length / 8;
|
||||
uint k = 2 * (table[0xD] & 0xF);
|
||||
ulong hash64 = table[6] | (ulong)table[7] << 32;
|
||||
for (int i = 0; i < qword_length; ++i)
|
||||
{
|
||||
ulong t = table[k] | (ulong)table[k+1] << 32;
|
||||
hash64 = MMX.PAddD (hash64 ^ t, t);
|
||||
|
||||
ulong d = data64[i] ^ hash64;
|
||||
data64[i] = d;
|
||||
|
||||
hash64 = MMX.PAddB (hash64, d) ^ d;
|
||||
hash64 = MMX.PAddW (MMX.PSllD (hash64, 1), d);
|
||||
|
||||
k = (k + 2) & 0x1F;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static uint[] GenerateTable (int length, uint seed)
|
||||
{
|
||||
const uint key = 0x8DF21431u;
|
||||
var table = new uint[length];
|
||||
for (int i = 0; i < length; ++i)
|
||||
{
|
||||
ulong x = key * (ulong)(seed ^ key);
|
||||
seed = (uint)((x >> 32) + x);
|
||||
table[i] = seed;
|
||||
}
|
||||
return table;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user