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This commit is contained in:
Sławomir Śpiewak
2024-07-31 16:32:35 +02:00
parent 3bd697577c
commit 6a90018798
4 changed files with 9 additions and 10 deletions
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5
ArcFormats/DxLib/ArcDX.cs
View File

@@ -313,8 +313,8 @@ namespace GameRes.Formats.DxLib
internal static void Decrypt (byte[] data, int index, int count, long offset, byte[] key)
{
if (key.Length !=0)
{
if (key.Length == 0)
return;
int key_pos = (int)(offset % key.Length);
for (int i = 0; i < count; ++i)
{
@@ -322,7 +322,6 @@ namespace GameRes.Formats.DxLib
if (key.Length == key_pos)
key_pos = 0;
}
}
}
public override ResourceScheme Scheme

5
ArcFormats/DxLib/DxKey.cs
View File

@@ -26,6 +26,7 @@
using System;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Xml.Linq;
using GameRes.Utility;
@@ -183,8 +184,8 @@ namespace GameRes.Formats.DxLib
oddString = string.Concat(keyword.Where((c, i) => i % 2 == 0));
evenString = string.Concat(keyword.Where((c, i) => (i+1) % 2 == 0));
UInt32 crc_0, crc_1;
crc_0 = Crc32.Compute(Encodings.ASCII.GetBytes(oddString), 0, oddString.Length);
crc_1 = Crc32.Compute(Encodings.ASCII.GetBytes(evenString), 0, evenString.Length);
crc_0 = Crc32.Compute(Encoding.ASCII.GetBytes(oddString), 0, oddString.Length);
crc_1 = Crc32.Compute(Encoding.ASCII.GetBytes(evenString), 0, evenString.Length);
byte[] crc_0_Bytes = BitConverter.GetBytes(crc_0),crc_1_Bytes=BitConverter.GetBytes(crc_1);
key[0] = crc_0_Bytes[0];
key[1] = crc_0_Bytes[1];