添加项目文件。

Core/MAX.Core/Cryptography/MD5Helper.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace MAX.Core.Cryptography;
+
+public class MD5Helper
+{
+	/// <summary>
+	/// MD5加密
+	/// </summary>
+	/// <param name="instring"></param>
+	/// <returns></returns>
+	public static string Md5_32(string instring)
+	{
+		return _Md532(instring);
+	}
+	public static string Md5_Lower32(string instring)
+	{
+		return _Md532(instring, true);
+	}
+	public static string _Md532(string instring, bool IsLower = false)
+	{
+		byte[] result = Encoding.UTF8.GetBytes(string.IsNullOrEmpty(instring) ? "" : instring.Trim());
+		MD5 md5 = MD5.Create();
+		byte[] output = md5.ComputeHash(result);
+		string value = BitConverter.ToString(output).Replace("-", "");
+		if (IsLower)
+		{
+			return value.ToLower();
+		}
+		return value;
+	}
+
+
+	/// <summary>
+	/// MD5加密
+	/// </summary>
+	/// <returns></returns>
+	public static long GetLong(byte[] result)
+	{
+		return
+			Convert.ToInt64(
+				BitConverter.ToString(MD5.Create().ComputeHash(result), 4,
+					8).Replace("-", ""), 16);
+	}
+
+	/// <summary>
+	/// MD5 16位加密转long
+	/// </summary>
+	/// <param name="url"></param>
+	/// <returns></returns>
+	public static long GetLong(string url)
+	{
+		if (string.IsNullOrEmpty(url))
+		{
+			return 0;
+		}
+
+		return Convert.ToInt64(BitConverter.ToString(MD5.Create().ComputeHash(Encoding.Default.GetBytes(url)), 4, 8).Replace("-", ""), 16);
+	}
+}