
复制class Program                 {                     static void Main(string[] args)                     {                         var str = "XfES27am6Muw48iB1GlMVqvUbq7/Pp9n4XbZJsDu19YDr/Zdb3m7KT6haD7f9HLj/ZEvIiZbmSU4O5L9g03Y5IUB6KLCZI7s3nDLwTIC+bXLf5quu/r8ZAI+rgNnsNZdwoDfquRLQy5Cf2X8/MFDOcMNaZYMpTYeHsZoEERU/TP9t3n5QllJTihrmDFbiGHLqe1kfN3uB3g1kgs0oobIEfNPr09kQ/pFgzZi/kZCrK10PLZZ0pFj1YU5ReFqBsdBlecV3D2Zl3lx1Ibls24t7w==";                         Console.WriteLine(Decrypt(str));                     }                     publicstatic string Decrypt(string str)                     {                         if (!string.IsNullOrEmpty(str))                         {                             DESCryptoServiceProvider descsp = new DESCryptoServiceProvider();                             byte[] key = Encoding.Unicode.GetBytes("Oyea");                             byte[] data = Convert.FromBase64String(str);                             MemoryStream MStream = new MemoryStream();                             CryptoStream CStream = new CryptoStream(MStream,配置 descsp.CreateDecryptor(key, key), CryptoStreamMode.Write);                             CStream.Write(data, 0, data.Length);                             CStream.FlushFinalBlock();                             return Encoding.Unicode.GetString(MStream.ToArray());                         }                         return"";                     }                 }             1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.