chizui/YarikStudio
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Optimizations.

Browse Source
This commit is contained in:
Razmoth
2023-01-07 21:52:15 +04:00
parent 00fb0a8fb4
commit feb6f370c0
3 changed files with 116 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
AssetStudio/Crypto/BlkUtils.cs
View File

@@ -46,11 +46,11 @@ namespace AssetStudio
var keyHigh = BinaryPrimitives.ReadUInt64LittleEndian(key.AsSpan(8, 8));
var seed = keyLow ^ keyHigh ^ keySeed ^ blk.InitSeed;
MT19937_64.Init(seed);
var mt64 = new MT19937_64(seed);
var xorpad = new byte[KeySize];
for (int i = 0; i < KeySize; i += 8)
{
BinaryPrimitives.WriteUInt64LittleEndian(xorpad.AsSpan(i, 8), MT19937_64.Int64());
BinaryPrimitives.WriteUInt64LittleEndian(xorpad.AsSpan(i, 8), mt64.Int64());
}
return new CryptoStream(reader.BaseStream, xorpad);