how to encrypt text file

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How can I encrypt a PDF file? How to encrypt PDF files

When you process some files, if you think it is important, you will set a password for the file, just like setting a password for your phone. If you need to view the password, you need to enter the password, in fact, the principles are similar. How can we encrypt a PDF file? Next let's take a look at the small series of operation methods. 1: In the first step, w

How to Use DM-Crypt to encrypt a Linux File System?

How to Use DM-Crypt to encrypt a Linux File System? Readers often ask us how to implement a file system encryption method for Linux. Before discussing this topic in depth, I would like to clarify two points: First, it is difficult to find enough information on the Internet. So I will introduce you to a few really great resources that are hard to find (actually s

How to use U disk to encrypt computer graphics and text tutorial

When we use a computer, we inevitably store something more private, and also do not want to be seen, to the computer password bar, the other people want to really ask up still have no way not to tell, think a lot of methods, finally feel or think with a U disk to the computer encryption more reliable, insert a U disk to boot, without U disk you do not bother, The following small series to share with you how the specific is done How to use USB disk to

Use linuxvim to encrypt text files

Use linuxvim to encrypt text files-general Linux technology-Linux programming and kernel information. The following is a detailed description. Vim-x file.txt encrypted file Vim-x-n file.txt does not use swap files (one way to prevent people from reading your swap files is not to use swap files) : Setlocal noswapfile (if this

Use the file time modification method to encrypt the file

There are many methods to encrypt files, but there are some shortcomings in the traditional file-based encryption methods. For example, the headache of cryptographic technology, complex full-text encryption/decryption algorithms, and the generation of spam files. Here I will introduce you to a new idea of file encrypti

Use des and MD5 to encrypt. decrypt. String. File

= {0x12, 0x34, 0x56, 0x78, 0x90, 0xab, 0xcd, 0xef };Try{Bykey = system. Text. encoding. utf8.getbytes (strencrkey. substring (0, 8 ));Filestream fin = new filestream (m_infilepath, filemode. Open, fileaccess. Read );Filestream fout = new filestream (m_outfilepath, filemode. openorcreate, fileaccess. Write );Fout. setlength (0 );// Create variables to help with read and write.Byte [] bin = new byte [100]; // This is intermediate storage for the encryp

Baidu cloud file How to encrypt? Baidu Cloud file encryption method

Baidu cloud file How to encrypt 1, we click on the computer "computer Baidu Cloud Interface" effect as shown below 2, and then we find the file as shown below the effect is as follows 3, then we select the file right click on the pop-up menu, click to Share 4, out of the selection of items,

In PHP, there is no way to encrypt the video file address, that is, the client's original file can not see the real address. Workaround

PHP has no way to encrypt the video file address, that is, the Client's original file cannot see the real address.

word2007 Encrypt Word document text tutorial

The first method of Word2007 file encryption: 1, we open office2007 and then click on the top of the menu "ready"-"encrypted document" effect as shown in the following image 2, then open the "encrypted document"-, "to encrypt the contents of this file", enter the Save password. The second method of Word2007

File encryption using Windows EFS (how to encrypt a folder)

Like Windows BitLocker, the Encrypting File System (EFS, Encrypting File System) is a set of public key-based encryption mechanisms built into windows that can encrypt files and folders on NTFS partitions, enabling real-time, Transparently encrypts the data on the disk.Cryptographic operationsEncryption method The user is transparent, after the

[Publish AAR To Maven] use GPG To encrypt the file signature,

[Publish AAR To Maven] use GPG To encrypt the file signature, This article is affiliated with "use Gradle to publish AAR to Maven repository". This file is still being drafted because it involves many things... ========================================================== ======================Author: qiujuerBlog: blog.csdn.net/qiujuerWebsite: www.qiujuer.netOp

PHP encryption method-use Zend Encoder to encrypt PHP files and optimize PHP configuration (PHP file encryption)

When releasing a PHP program you have written, are you worried that the result of your hard work will be occupied by others? In fact, we can use Zend Encoder to add a protective shell to our PHP file. Software Version: 2.0.1 Software size: 10.2M applicable platform: Win9X/2000/XP Official Website: external Project "Create a Project, and then add the files or folders you want to encrypt under this Project. I

How to encrypt a USB drive file

How to encrypt a USB drive file We are now in contact with the computer, computer file security has been more and more people pay attention to. Many people will put some important information on the U disk, in case the U disk lost how to do, there are many contract documents, company secrets, private privacy, which need to en

To encrypt a database configuration file using Jasypt

Placeholders (placeholder) are often used in spring configuration files to load resource files, and often some resource files are stored in clear text, such as JDBC configuration information, which is not always displayed in clear form from a system security standpoint. Today contacted Jasypt, looked up some information to study the next. Jasypt is an open source project on SourceForge.net and is a Java library. Read more about Google yourself.The fir

Encrypt the installer's connection string for the configuration file

Due to security requirements, we releasedProgramConnection strings should not be directly exposed to end users, so it is necessary to encrypt the connection strings in the configuration file. Here is a brief introduction to the installationProgramThe method used to encrypt the connection string (for winformProgram). First, create a class library Program The na

SQLSERVER uses a password to encrypt the backup file to prevent unauthorized restoration of the database

SQLSERVER uses a password to encrypt the backup file to prevent unauthorized restoration of the database. When backing up the 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 tools for restoration and adding backup sets to media SQLSERVER uses a

How to encrypt a PHP file

How do I encrypt a php file? I want to ask if there is any way to encrypt the PHP file, after the encryption, open PHP file is garbled ah 01 ah what kind of, and then the PHP file itself can be run without problems, and later can

In Asp.net 2.0, encrypt the configuration section in the web. config file.

in the configprotecteddata section of the web. config file. To ensure that the newly created RSA key container can be exported, the-exp option must be included. For example, the following command creates an RSA key container named abeenkeys, which is a computer-level key container that can be exported. Aspnet_regiis-PC "abeenkeys"-exp Step 3: modify web. config to identify the key containerEdit the Web. config

How to encrypt a PHP file

How do I encrypt a php file? I want to ask if there is any way to encrypt the PHP file, after the encryption, open PHP file is garbled ah 01 ah what kind of, and then the PHP file itself can be run without problems, and later can

Go to: encrypt the winform app. config file

To: http://hi.baidu.com/xbzhu/blog/item/855a2f126f034554f819b828.html Encrypt the winform app. config file 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 encrypte

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