initial commit

CvMega.Helper/SimpleEncryptor.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+using System.Web;
+
+namespace CvMega.Helper;
+
+public class SimpleEncryptor
+{
+	public static readonly string secretKey = "cvls0";
+
+	public static string Encrypt(string data)
+	{
+		return HttpUtility.UrlEncode(Convert.ToBase64String(XorEncrypt(Encoding.UTF8.GetBytes(data))));
+	}
+
+	public static string EncryptNonEnc(string data)
+	{
+		return Convert.ToBase64String(XorEncrypt(Encoding.UTF8.GetBytes(data)));
+	}
+
+	public static string Decrypt(string data)
+	{
+		return Encoding.UTF8.GetString(XorEncrypt(Convert.FromBase64String(data)));
+	}
+
+	public static string Hash(string data)
+	{
+		using MD5 mD = MD5.Create();
+		byte[] array = mD.ComputeHash(Encoding.UTF8.GetBytes(data));
+		StringBuilder stringBuilder = new StringBuilder();
+		byte[] array2 = array;
+		foreach (byte b in array2)
+		{
+			stringBuilder.Append(b.ToString("x2"));
+		}
+		return HttpUtility.UrlEncode(stringBuilder.ToString().Substring(0, 10));
+	}
+
+	public static byte[] XorEncryptMyKey(byte[] data, byte key)
+	{
+		byte[] array = new byte[data.Length];
+		for (int i = 0; i < data.Length; i++)
+		{
+			array[i] = (byte)(data[i] ^ key);
+		}
+		return array;
+	}
+
+	public static byte[] XorEncrypt(byte[] dataBytes)
+	{
+		byte[] bytes = Encoding.UTF8.GetBytes(secretKey);
+		for (int i = 0; i < dataBytes.Length; i++)
+		{
+			dataBytes[i] ^= bytes[i % bytes.Length];
+		}
+		return dataBytes;
+	}
+}