暴力风险，密码明文传输，防爆力

#region 验证明文
        public string VerificationPassword(string VeripasswordName)
        {
            String let = "";
            String ret = "";
            String msg = "37413581456193574325a";
            int length = (VeripasswordName.Length) / 4;
            for (int i = 0; i < length; i++)
            {
                let = VeripasswordName.Substring(4 * i, (((i + 1) * 4) - (4 * i)));
                int js = int.Parse(msg.Substring(i, 1));
                int ascNum = (int.Parse(let.Substring(0, 2)) - js) * 9 + (int.Parse(let.Substring(2, 2)) / js);
                let = (char)ascNum + "";
                ret = ret + let;
            }
            return ret;
        }
        #endregion

#region 验证密码正则表达式
        public bool RexCheckPasswords(string value)
        {
            string pwd = value;
            var regex = new Regex(@"(?=.*[0-9])     #必须包含数字
                                     (?=.*[a-zA-Z])     #必须包含小写或大写字母
                                    (?=([\x21-\x7e]+)[^a-zA-Z0-9])  #必须包含特殊符号
                                   .{8,30}                #至少8个字符，最多30个字符
                     ", RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace);
            if (regex.Match(pwd).Success)
            {
                return true;
            }
            return false;
        }
        #endregion

引用方法验证
 if (VerificationPassword(txtUserPwd.Value).Length < 8)
            {
                string ErrorMessage = "密码过短，至少需要8个字符！";
                ShowMsgHelper.showFaceMsg(ErrorMessage);
            }
            else
            {
                IsPass = RexCheckPasswords(VerificationPassword(txtUserPwd.Value));
                if (!IsPass)
                {
                    string ErrorMessage = "密码强度值不够，密码必须包含数字，必须包含小写或大写字母，必须包含至少一个特殊符号，至少8个字符，最多30个字符！";
                    ShowMsgHelper.showFaceMsg(ErrorMessage);
                }
                else
                {
               //成功
                }
             }

页面js 
function check1(input) {
    var msg = "37413581456193574325a";
    var lens = input.length;
    var lect = "";
    for (var i = 0; i < lens; i++) {
        var c = input.substr(i, 1);
        var b = msg.substr(i, 1);
        var charValue = c.charCodeAt(0);
        c = String((Number(parseInt(charValue / 9)) + Number(b) + Number(100))).substr(1, 2) + String((Number((charValue % 9)) * Number(b) + Number(100))).substr(1, 2);
        lect = lect + c;
    }
    return lect
}
//登录 [调用]
function loginCheck() {
    var Account = $("#Window1tbxUserName-inputEl").val();
    var input = $("#Window1_tbxPassword-inputEl").val();
    var checkAccount = check1(Account);
    var checkInput = check1(input);
    $("#Window1tbxUserName-inputEl").val(checkAccount);
    $("#Window1_tbxPassword-inputE").val(checkInput);
}