MD5CryptoServiceProvider 如何解密?
string s = "123456";
MD5CryptoServiceProvider provider = new MD5CryptoServiceProvider();
string strEncryp = BitConverter.ToString(provider.ComputeHash(Encoding.Default.GetBytes(s)));
得到的加密字符串strEncryp ,如何从strEncryp 还原到原来的“123456”呢?