C#调用JAVA接口WSSE方式用WebClient方式

    /// <summary>
        ///     调用java cxf ws_security加密的服务wcf客户端对应的加密类
        /// </summary>
        public class WssSecurity
        {
            private  byte[] _nonce ;

            private string _nonceStr = GetNoce(29);

            private readonly string _pass; //密码
            private DateTime _created;

            public WssSecurity(string p, DateTime t)
            {
                _pass = p;
                _created = t;
            }

            /// <summary>
            ///     获取UTC时间
            /// </summary>
            /// <returns></returns>
            public string GetCreatedAsString()
            {
                return XmlConvert.ToString(_created.ToUniversalTime(), "yyyy-MM-ddTHH:mm:ss.fffZ");
            }

            /// <summary>
            ///     获取加密的密码
            /// </summary>
            /// <returns></returns>
            public string GetPasswordDigestAsBase64()
            {
                //RandomNumberGenerator rndGenerator = new RNGCryptoServiceProvider();
                //rndGenerator.GetBytes(_nonce);
                // get other operands to the right format

                _nonce = Encoding.UTF8.GetBytes(_nonceStr);
                var newDate = GetCreatedAsString();
                byte[] time = Encoding.UTF8.GetBytes(newDate);
                byte[] pwd = Encoding.UTF8.GetBytes(_pass);
                var operand = new byte[_nonce.Length + time.Length + pwd.Length];
                Array.Copy(_nonce,operand,_nonce.Length);
                Array.Copy(time,0,operand,_nonce.Length,time.Length);
                Array.Copy(pwd,0,operand,_nonce.Length + time.Length,pwd.Length);

                // create the hash
                SHA1 sha1 = SHA1.Create();
                return Convert.ToBase64String(sha1.ComputeHash(operand));
            }
            private static  String[] chars = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e",
            "f" };
            public static String GetNoce(int length) {
                StringBuilder sb = new StringBuilder();
                Random r=new Random();
                for(int i = 0; i < length; i++) {
                    sb.Append(chars[r.Next(15)]);
                }
                return sb.ToString();
            }

            /// <summary>
            ///     获取Nonce
            /// </summary>
            /// <returns></returns>
            public string GetNonceAsBase64()
            {
                

                return _nonceStr;
            }
        }

            string postString = "{"devices":["1541351315"]}";
                byte[] postData = Encoding.UTF8.GetBytes(postString);
                var wss = new WssSecurity("137E000470C1E8E2FA4B1348AC5B9D7A", DateTime.Now);
                WebClient client = new WebClient();
                client.Headers.Add("Authorization", "WSSE profile="UsernameToken"");
                client.Headers.Add("X-WSSE",
                    "UsernameToken Username="ServiceDevices", PasswordDigest="" + wss.GetPasswordDigestAsBase64() + "", Nonce="" +
                    wss.GetNonceAsBase64() + "", Created="" + wss.GetCreatedAsString() + """);
                client.Headers.Add("Content-Type","application/x-www-form-urlencoded;application/xml");


                byte[] responseData = client.UploadData("https://xx.com/open/getDeviceInfo","POST",postData);//得到返回字符流