md5加密
支持.netcore5

using System;
using   System.Security.Cryptography;
namespace MyApp.HelloWorld
{class Program{static void Main(string[] args){Console.WriteLine(MD5Encrypt("123456"));Console.WriteLine("Hello World!");}///   <summary>///   给一个字符串进行MD5加密///   </summary>///   <param   name="strText">待加密字符串</param>///   <returns>加密后的字符串</returns>public   static   string   MD5Encrypt(string   strText){  MD5   md5   =   new   MD5CryptoServiceProvider();byte[]   fromData   =   System.Text.Encoding.Default.GetBytes(strText);byte[]   targetData   =   md5.ComputeHash(fromData);string   byte2String   =   null;for   (int   i=0;   i<targetData.Length;   i++)  {byte2String   +=   targetData[i].ToString("x");}return   byte2String;}}
}