C# MD5

 

// using System.Security.Cryptography;// using System.Text;public static string MD5(string str){    System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create();    byte[] data = md5.ComputeHash(Encoding.Default.GetBytes(str));    StringBuilder sb = new StringBuilder();    foreach (byte b in data)    {        sb.Append(b.ToString("x2"));    }    return sb.ToString();}