how to encrypt excel file

PHP has no way to encrypt the video address, that is, the original file on the client cannot see the real address .?? After encryption, the real address of the file is hidden, so that visitors cannot see the real address of the file ., do your own encryption and decryption function .. the encrypted

Could you tell me how to encrypt this php file? How to decrypt it? Decrypt PHP encryption Could you tell me how to encrypt this php file? How to decrypt it? Thank you !!!! Can I decrypt a decryption tool? Yangzongling18@163.com younger brother thanks again! Http://mail.qq.com/cgi-bin/ftnDownload302? Sid = IgBx_Lpkd

content of the Web. config file. Therefore,You can decrypt encrypted configuration settings without any additional steps for other ASP. NET functions or to access values in the code. If you want to modify the configuration information, you need to decrypt the file and then encrypt it. Decrypt the-Pd option using the aspnet_regiis.exe command.The command is as

Method One, directly encrypt the compressed package We want to encrypt the compressed package file, we must first have a compression software. Everyone can go directly to the address to download the compression software. After we encrypt the compressed package file, after

Here is an example of importing an Excel file directly into MySQL. I spent the whole night testing, no matter the import of simple and traditional will not appear garbled, very useful. Php-excelreader, download Address: Http://sourceforge.net/projects/phpexcelreader Description Test environment: MySQL database is UTF8 encoded. The import Excel document is in the

In our development, we often use the spring framework to read property values for property files, and then use placeholders to reference property values of property files to simplify configuration and make configurations more flexible and versatile. such as the following property profile: Db.properties #数据库配置 Db.driver=org.postgresql.driver Db.url=jdbc\:p Ostgresql\://10.166.176.127\:5432/test Db.username=ivsadmin db.password=123456 Db.name=ivs Applicationcontext.xml

How does WinRar use commands to encrypt file names? Enter the rarfile generated by the command in CMD. the file name in the compressed file cannot be viewed unless the password is entered. Attached to the posts that have not solved the problem over the past two days: Http://bbs.csdn.net/topics/390755609 Http:

Decrypt () {Standardpbestringencryptor encryptor = new Standardpbestringencryptor ();Environmentstringpbeconfig config = new Environmentstringpbeconfig ();Config.setalgorithm ("Pbewithmd5anddes");Config.setpassword ("Fuyung");Encryptor.setconfig (config);String ciphertext = "8y9g4kizquchb78mmjnkhw==";//ciphertext//decrypt string plaintext = Encryptor.decrypt (ciphertext); Decrypt System.out.println (ciphertext + ":" + plaintext);//Run Result: 8y9g4kizquchb78mmjnkhw==: Root}Integrated with sprin

-----","") . Replace ("-----END RSA PRIVATE KEY-----",""); RSACryptoServiceProvider Rsaprovider = Decodersaprivatekey (Prikey);//rsacryptoserviceprovider Rsaprovider = Decodersaprivatekey (); //rsaprovider.fromxmlstring ();String Privatekey = rsaprovider.toxmlstring (true);//The private key of the RSA algorithm is exported to the string Privatekey, and the parameter is true to export the private keyConsole.WriteLine (Privatekey);/****************************************

Recently, I am working on a winform project. Because I am using the client to directly connect to the database, I need to deploy the app on the client. config. Because Enterprise Library is used. the connectionstrings In the config file are encrypted and searched for msdn, and a ready-made tool is available. ASP. net iis registration tool (aspnet_regiis.exe), but it can only be used for ASP. NET web. config files. Is there any way we can do it? Of cou

Sqlserver uses a password to encrypt the backup file to prevent unauthorized restoration of the database When backing up a database, you can specify a password for the media set, backup set, or both. In the backup statement, the backup set password and media password are optional. Use a password to prevent unauthorized use of sqlserver to perform restoration operations and Add backup sets to media. If

In fact, many times, we need to our own Win7 64-bit flagship download computer set up the power-on password, the most important thing is to protect our Win7 flagship computer file data, so that if we can separate the file encryption processing, then no longer set the computer power-on password, In this case, later encounter the computer into the Sleep State lock screen, do not have to enter the power-on pas

Goldengate software has been used by many large enterprises for data disaster recovery. If used for off-site backup disaster, many are required to rent the public network of the transmission line, and many of these data are corporate secrets, in order to prevent confidential data is hackers to gain damage to the interests of enterprises, need to goldengate security to do some enhancements. In addition to establishing operating system and database-level security precautions, you can develop appr

1: Run cmd, and navigate to C:\WINDOWS\Microsoft.NET\Framework\ v2.0.50727 (can directly run vs2005 command prompt tool, but seemingly vs2010 the default point of framework3.5 there is no aspnet_regiis command, in order to avoid some people can't find, so it is better to direct CMD. ）2: Run1 " appSettings " " D:\demo " //Show" is encrypted configuration section, success! "Here to notice, D:\demo is the path of the project, can be absolute path, can also be the relative path of the site, the sp

introduction of the file time attribute modification method, using this method can play a simple software encryption. For example, assuming that a software or game is stored with some archived files, the operating system automatically sets the file's modification time, so that a slightly experienced user can use the Find Files feature in Windows to find the file that was last modified. If the

may be the cause of WPS, debugging generated files found that these property values are present. So I'm not going to toss it, it's really a hassle to install Office.4.c# Encrypt and protect Excel filesBelieving that many people have used office encryption and protection, the scope of encryption and protection is more extensive for Excel: Not only can you

these attribute values exist. So I didn't make any effort, and it was really troublesome to install an Office. 3. C # encrypt and protect Excel files I believe many people have used Office encryption and protection functions. For Excel, encryption and protection are more extensive: not only files can be encrypted, but also specified Sheet can be protected, the s

ObjectiveAs a member of the Project Management Brigade, the most contact in the company is the Excel file, so from the beginning, I want to start with Excel, learn a simple two times to develop, start their own programming road!Program InterfaceFunction descriptionThe Open File button allows the user to specify the

Tool Material:Windows 7,visual Studio, Microsoft Office 2007Create a solutionMenu new Project Windows Forms application:Add Related components:Add two DataGridView, a TextBox, two buttons, such as:To add an Excel resource:C # creates an Excel file, where you actually extract a pre-created Excel

Use nodejs to export an excel file. Use nodejs to export an excel file. This document describes how to export an excel file from nodejs. Share it with you for your reference. The details are as follows: Nodejs generates and downlo