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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| <?xml version="1.0" encoding="utf-8" ?> | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <configuration> | ||
| <startup> | ||
| <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" /> | ||
| <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/> | ||
| </startup> | ||
| </configuration> | ||
| </configuration> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,169 @@ | ||
| using System.Runtime.InteropServices; | ||
| using System.IO; | ||
| using System.Security.Cryptography; | ||
| using System.Text; | ||
|
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||
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| namespace TroubleTool | ||
| { | ||
| static class Crypt | ||
| { | ||
| [DllImport("troublecrypt.dll", CallingConvention = System.Runtime.InteropServices.CallingConvention.Cdecl)] | ||
| public static extern int encrypt(byte[] data, int size); | ||
| [DllImport("troublecrypt.dll", CallingConvention = System.Runtime.InteropServices.CallingConvention.Cdecl)] | ||
| public static extern int decrypt(byte[] data, int size); | ||
| private static readonly string keyInit = "d4152d461ab5308429e49774a042a318"; | ||
| private static readonly string ivInit = "86afc43868fea6abd40fbf6d5ed50905"; | ||
| private static byte[] GenerateIV(byte[] word) | ||
| { | ||
| byte[] crypto = new byte[16]; | ||
| int v4 = 0; | ||
| int v5 = 0; | ||
| int v6, v7, v8, v9; | ||
| while (v4 < 0x20) | ||
| { | ||
| v6 = word[v5]; | ||
| v7 = word[v4 + 1]; | ||
|
|
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| if ((v6 & 0x40) != 0) | ||
| { | ||
| if ((v6 & 0x20) != 0) | ||
| v8 = v6 - 87; | ||
| else | ||
| v8 = v6 - 55; | ||
| } | ||
| else | ||
| v8 = v6 - 48; | ||
|
|
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| if ((v7 & 0x40) != 0) | ||
| { | ||
| if ((v7 & 0x20) != 0) | ||
| v9 = v7 - 87; | ||
| else | ||
| v9 = v7 - 55; | ||
| } | ||
| else | ||
| v9 = v7 - 48; | ||
|
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|
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| crypto[v5 >> 1] = (byte)(v9 | (16 * v8)); | ||
| v4 += 2; | ||
| v5 = v4; | ||
| } | ||
| return crypto; | ||
| } | ||
|
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| private static byte[] GenerateKey(byte[] a1) | ||
| { | ||
| long r9_1; // r9 | ||
| long r10_1; // r10 | ||
| long rax1; // rax | ||
| int ebx5; // ebx | ||
| long r11_6; // r11 | ||
| byte dl7; // dl | ||
| byte r8_7; // r8 | ||
| byte al9; // al | ||
| byte cl14; // cl | ||
| byte[] key = new byte[16]; | ||
|
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| r9_1 = a1.Length; | ||
| rax1 = a1.Length; | ||
|
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| if (rax1 == 16) | ||
| { | ||
| ebx5 = 0; | ||
| if (r9_1 > 0) | ||
| { | ||
| r11_6 = 0; | ||
| do | ||
| { | ||
| dl7 = a1[r11_6]; | ||
| r8_7 = a1[ebx5 + 1]; | ||
| if ((dl7 & 0x40) != 0) | ||
| { | ||
| if ((dl7 & 0x20) != 0) | ||
| al9 = ((byte)(dl7 - 87)); | ||
| else | ||
| al9 = (byte)(dl7 - 55); | ||
| } | ||
| else | ||
| { | ||
| al9 = (byte)(dl7 - 48); | ||
| } | ||
| if ((r8_7 & 0x40) != 0) | ||
| { | ||
| if ((r8_7 & 0x20) != 0) | ||
| cl14 = (byte)(r8_7 - 87); | ||
| else | ||
| cl14 = (byte)(r8_7 - 55); | ||
| } | ||
| else | ||
| { | ||
| cl14 = (byte)(r8_7 - 48); | ||
| } | ||
| ebx5 += 2; | ||
| rax1 = cl14 | (16 * al9); | ||
| key[r11_6 >> 1] = (byte)rax1; | ||
| r11_6 = ebx5; | ||
| } while (ebx5 < r9_1); | ||
| } | ||
| } | ||
| return key; | ||
| } | ||
|
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| public static byte[] Encrypt(byte[] cipherText) | ||
| { | ||
| byte[] encrypted; | ||
|
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| using (var aes = new AesManaged | ||
| { | ||
| KeySize = 16 * 8, | ||
| BlockSize = 16 * 8, | ||
| Mode = CipherMode.CBC, | ||
| Padding = PaddingMode.PKCS7 | ||
| }) | ||
| { | ||
| using (var encrypter = aes.CreateEncryptor(GenerateKey(Encoding.ASCII.GetBytes(keyInit)), GenerateIV(Encoding.ASCII.GetBytes(ivInit)))) | ||
| { | ||
| using (var cipherStream = new MemoryStream()) | ||
| { | ||
| using (var cryptoStream = new CryptoStream(cipherStream, encrypter, CryptoStreamMode.Write)) | ||
| using (var binaryWriter = new BinaryWriter(cryptoStream)) | ||
| { | ||
| //Encrypt Data | ||
| binaryWriter.Write(cipherText); | ||
| } | ||
|
|
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| encrypted = cipherStream.ToArray(); | ||
| } | ||
|
|
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| } | ||
| } | ||
| return encrypted; | ||
| } | ||
|
|
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| public static byte[] Decrypt(byte[] cipherText) | ||
| { | ||
| byte[] decrypted; | ||
| using (var aes = new AesManaged | ||
| { | ||
| KeySize = 16 * 8, | ||
| BlockSize = 16 * 8, | ||
| Mode = CipherMode.CBC, | ||
| Padding = PaddingMode.Zeros | ||
| }) | ||
| { | ||
| using (var encrypter = aes.CreateDecryptor(GenerateKey(Encoding.ASCII.GetBytes(keyInit)), GenerateIV(Encoding.ASCII.GetBytes(ivInit)))) | ||
| { | ||
| using (var cipherStream = new MemoryStream()) | ||
| { | ||
| using (var cryptoStream = new CryptoStream(cipherStream, encrypter, CryptoStreamMode.Write)) | ||
| using (var binaryWriter = new BinaryWriter(cryptoStream)) | ||
| { | ||
| binaryWriter.Write(cipherText); | ||
| } | ||
|
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| decrypted = cipherStream.ToArray(); | ||
| } | ||
|
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| } | ||
| } | ||
| return decrypted; | ||
| } | ||
| } | ||
| } |
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