60 lines
1.7 KiB
C#
60 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Management;
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using System.Security.Cryptography;
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using System.IO;
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namespace VisualPascalABCPlugins
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{
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public static class LoginUtils
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{
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public static string ProcessorId()
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{
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var mbs = new ManagementObjectSearcher("Select ProcessorId From Win32_processor");
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var mbsList = mbs.Get();
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foreach (ManagementObject mo in mbsList)
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{
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return mo["ProcessorId"].ToString();
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}
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return "";
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}
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public static byte[] Encrypt(string src)
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{
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var ae = Aes.Create();
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var key = Encoding.UTF8.GetBytes(ProcessorId());
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var crypt = ae.CreateEncryptor(key, key);
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byte[] encrypted;
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using (var ms = new MemoryStream())
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{
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using (var cs = new CryptoStream(ms, crypt, CryptoStreamMode.Write))
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using (var sw = new StreamWriter(cs))
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{
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sw.Write(src);
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}
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encrypted = ms.ToArray();
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}
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return encrypted;
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}
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public static string Decrypt(byte[] data)
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{
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if (data == null)
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return "";
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var ae = Aes.Create();
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var key = Encoding.UTF8.GetBytes(ProcessorId());
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var crypt = ae.CreateDecryptor(key, key);
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string text;
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using (var ms = new MemoryStream(data))
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using (var cs = new CryptoStream(ms, crypt, CryptoStreamMode.Read))
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using (var sr = new StreamReader(cs))
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{
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text = sr.ReadToEnd();
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}
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return text;
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}
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}
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}
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