コード例 #1
0
ファイル: SiteManager.cs プロジェクト: yuelinsoft/himedi
        bool ReEncryptKey(string oldPassword, string newPassword)
        {
            HttpContext context  = HiContext.Current.Context;
            XmlDocument document = new XmlDocument();
            string      filename = context.Request.MapPath(Globals.ApplicationPath + "/config/key.config");
            string      str2     = context.Request.MapPath(Globals.ApplicationPath + "/config/key.config.bak");

            try
            {
                document.Load(filename);
            }
            catch
            {
                document.Load(str2);
            }
            if (int.Parse(document.SelectSingleNode("Settings/Token").InnerText) == this.UserId)
            {
                XmlNode node      = document.SelectSingleNode("Settings/Key");
                byte[]  plaintext = Cryptographer.DecryptWithPassword(Convert.FromBase64String(node.InnerText), oldPassword);
                node.InnerText = Convert.ToBase64String(Cryptographer.EncryptWithPassword(plaintext, newPassword));
                document.Save(filename);
                document.Save(str2);
            }
            return(true);
        }
コード例 #2
0
        //创建key
        bool CreateKey(int userId, out string errorMsg)
        {
            bool flag = false;

            try
            {
                byte[] plaintext = KeyManager.GenerateSymmetricKey(typeof(RijndaelManaged));

                string filename = Request.MapPath(Globals.ApplicationPath + "/config/key.config");

                byte[] inArray = Cryptographer.EncryptWithPassword(plaintext, password);

                XmlDocument document = new XmlDocument();
                document.LoadXml("<?xml version=\"1.0\" encoding=\"utf-8\"?>" + Environment.NewLine + "<Settings><Token></Token><Key></Key></Settings>");
                document.SelectSingleNode("Settings/Token").InnerText = userId.ToString(CultureInfo.InvariantCulture);
                document.SelectSingleNode("Settings/Key").InnerText   = Convert.ToBase64String(inArray);

                //保存文件
                document.Save(filename);
                document.Save(Request.MapPath(Globals.ApplicationPath + "/config/key.config.bak"));

                CryptographyUtility.ZeroOutBytes(inArray);


                byte[] encryptedKey = System.Security.Cryptography.ProtectedData.Protect(plaintext, null, System.Security.Cryptography.DataProtectionScope.LocalMachine);
                using (Stream stream = new FileStream(Request.MapPath(Globals.ApplicationPath + "/config/Hishop.key"), FileMode.Create))
                {
                    KeyManager.Write(stream, encryptedKey, DataProtectionScope.LocalMachine);
                }

                CryptographyUtility.ZeroOutBytes(encryptedKey);
                CryptographyUtility.ZeroOutBytes(plaintext);

                errorMsg = "";
                flag     = true;
            }
            catch (Exception exception)
            {
                errorMsg = exception.Message;
            }

            return(flag);
        }