70 lines
2.1 KiB
C#
70 lines
2.1 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel.DataAnnotations;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Numerics;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
using Glove;
|
|
|
|
namespace SockScape.Encryption {
|
|
class BlockCipher {
|
|
public const int KeySize = 192;
|
|
public const int KeySizeBytes = KeySize / 8;
|
|
|
|
private readonly byte[] Key = new byte[KeySizeBytes];
|
|
private readonly byte[] IV;
|
|
|
|
public BlockCipher(BigInteger key) {
|
|
Key = Key.Select(x => (byte)0).ToArray();
|
|
Array.Copy(key.ToByteArray(), Key, Key.Length);
|
|
|
|
IV = Configuration.General["Master IV"].Str.HexStringToBytes()
|
|
?? new byte[] { 0x0b, 0xfc, 0xd7, 0x2d, 0x23, 0xb7, 0x83, 0xb2 };
|
|
}
|
|
|
|
public byte[] Encrypt(byte[] data) {
|
|
try {
|
|
var ms = new MemoryStream();
|
|
var cs = new CryptoStream(ms,
|
|
new TripleDESCryptoServiceProvider().CreateEncryptor(Key, IV),
|
|
CryptoStreamMode.Write);
|
|
|
|
cs.Write(data, 0, data.Length);
|
|
cs.FlushFinalBlock();
|
|
|
|
byte[] ret = ms.ToArray();
|
|
|
|
cs.Close();
|
|
ms.Close();
|
|
|
|
return ret;
|
|
} catch(Exception e) {
|
|
Console.WriteLine($"TDES ENCRYPT ERROR: {e.Message}");
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public byte[] Decrypt(byte[] data) {
|
|
try {
|
|
var ms = new MemoryStream(data);
|
|
var cs = new CryptoStream(ms,
|
|
new TripleDESCryptoServiceProvider().CreateEncryptor(Key, IV),
|
|
CryptoStreamMode.Read);
|
|
|
|
byte[] ret = new byte[data.Length];
|
|
cs.Read(ret, 0, data.Length);
|
|
|
|
cs.Close();
|
|
ms.Close();
|
|
|
|
return ret;
|
|
} catch(Exception e) {
|
|
Console.WriteLine($"TDES DECRYPT ERROR: {e.Message}");
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
}
|