Although sharing is a traditional virtue, sometimes we have worked so hard to write programs to sell small money, earn a little hard work, and prevent some unscrupulous people from selling them, so we have to encrypt our program. here we will introduce how to encrypt our PHP source code through PHP custom functions. Method 1:
'); $ Contents = substr ($ contents, $ headerPos + 5, $ footerPos-$ headerPos);
Let's Encrypt project (https://letsencrypt.org/) is a new digital certification authority CA, LED and developed by the Internet Security Research Group Isrg,internet Certificate Authority. The project aims to develop a free and open automated CA Suite and to provide the public with relevant certificate free issuance services to reduce the financial, technical and educational costs of secure communications. Over the past year, the Internet Security Res
Mozilla, Cisco, Akamai, Identrust, EFF, and University of Michigan researchers jointly announced the Let's Encrypt CA project, which plans to provide a free basic SSL certificate to the Web site to accelerate the Internet transition from HTTP to HTTPS. Let's Encrypt CA will be operated by the nonprofit organization Internet Security Survey Group (ISRG), which was formally launched in the public beta phase o
, 3DES, AES, Blowfish, Idea, RC5, RC6.Asymmetric encryption: In this cryptography method, a pair of keys is required, one is a private key and the other is a public key. These two keys are mathematically related, and the information obtained by encrypting a user's key can only be decrypted with the user's decryption key. If one is known, it is not possible to calculate the other one. Therefore, if one of the two keys is exposed, it does not compromise the secret nature of the other. The public k
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 encrypt the U disk files. Here's how you can en
The example in this article describes how C # encrypts letters or numbers into letters. Share to everyone for your reference. The implementation method is as follows: The code is as follows:public class MD5 { Static List #region Encrypt public static string Encrypt (String str) Encryption public static string Encrypt (String str) { Mappinglist = new List for
Encrypt cookies in a browser
In network applications, cookie is a very convenient way to store data. Because of this, you need to pay more attention to cookie security when developing WEB applications. There are many ways to ensure the security of cookies. Here we will discuss another method-browser-side cookie encryption.Cookie attack
Cookies are stored on the client, usually a piece of text. If the computer is used by many people, other people will
Android uses jni to encrypt and decrypt strings for analysis. androidjni
Analysis of string encryption and decryption using jni in android
Recently, a demand for projects is to encrypt users' sensitive information, such as users' account passwords, mobile phone numbers, and other private information. In java, we can use the AES algorithm to encrypt and decrypt th
Website Registration login, password How to encrypt?
On the internet read a lot of this article, all say the client's password, login to use MD5 encryption after the server, and then the server and the database of salt and encrypted password to compare
I don't know, if that's what it is.
Suppose the user name of a user is ABCD and the password is 123456. MD5 after encryption is: e10adc3949ba59abbe56e057f20f883e
For hackers, he accidentally acquired
Today more and more of our web sites start using SSL certificates, not only limited in the electric business site, portal, and even many personal websites, blogs have to open SSL security in the certificate, and the old left is also considering whether to install the blog SSL certificate, has been prepared to add, because this theme used a lot of old directory , files are manually added to the static, so the change is more troublesome.
Old Left blog (laozuo.org) also share too many ar
Many friends do not know how to encrypt word2013, the following will introduce 2 word2013 document encryption method, to the document password can be very good protection of our privacy, nonsense not to say, together to see how to encrypt the word2013 document ~
--word2013 Encryption Method A
Click the file--information, and then select Protect the document--encrypted with a password.
The php sdk is used. How can I encrypt videos with HLS? For more information, see hlsKey base64_urlsafe. What is hlsKeyUrl? How does PHP generate the hlsKeyType encrypted by rsa oa ep? Developer. qiniu. comdocs... the php sdk is used. How can I encrypt videos with HLS?
Refer to the following,hlsKeyIt is base64_urlsafe. This is easy to understand,hlsKeyUrlWhat is it? How does PHP generate an rsa oa ep encry
C # often involves encrypting the user's password to decrypt the algorithm, where using MD5 encryption is the most common way to implement it. This paper summarizes the general algorithms and combines their own little experience to share to everyone.I. Encrypt user names using the 16-bit, 32-bit, 64-bit MD5 method1) 16-bit MD5 encryption//////16-bit MD5 encryption/////////public static string md5encrypt16 (string password) {var MD5 = new MD5CryptoServ
Let's Encrypt has been trusted by all mainstream browsers
Let's Encrypt, a non-profit organization that enables each website to Use HTTPS encryption, has obtained the cross signature of IdenTrust, which means that its certificate can now be trusted by all mainstream browsers. Starting from this milestone, visitors can access websites that use the Let's Encrypt c
As we all know, Windows Vista has made great improvements in security to ensure the confidentiality of user data. The system-level security protection BitLocker provided in Windows Vista Enterprise and Ultimate can provide the complete drive encryption function, this effectively prevents Windows Vista users from being threatened by data theft or leakage due to PC hardware loss, theft, or improper elimination. Even if an illegal user starts another system and browses files stored in a protected d
SummaryPreviously written to see other people write scripts with SHC encryption, I also have to understand the next.SHC represents shell script compiler, the shell scripting compiler. A script that has been compiled by SHC is not readable to ordinary users, so if you want to protect your code (for example, with a key), you can consider SHC; however, some people can use the reverse compiler to crack the SHC encrypted script.Let's start by introducing:I. Using SHC to
Chiang has shared many of the free SSL security certificate applications and installations in previous posts, although most of the installations are based on VPS and server deployments. Due to the company's project needs in the recent period of time will be unstable overseas VPS, server sites are required to relocate to a better speed of the Asian node virtual host, and some sites have used SSL security certificate.
But fortunately, most of the virtual hosts are currently using the Cpanel panel
Most of us use cloud storage services like Dropbox, gdrive or copy to use synced files from any of our devices, anytime, anywhere. But no one will be relieved to put their sensitive data on the cloud storage platform. Recent hacking events have shown how insecure our data is. In 2014, many celebrity photos were leaked from cloud storage platforms and posted on social networking sites. So, why not encrypt the data before uploading it to the cloud stora
Linux Nginx Website: Certbot installation configuration lets Encrypt SSL free HTTPS encryption certificateOriginal address: https://renwole.com/archives/157
Lab Environment: CentOS Linux Release 7.2Kernel version: Linux version 3.10.0-514.26.2.el7.x86_64Nginx version: Nginx-1.13.0
Let's encrypt is a free, automated, open certification authority. Sponsored by many companies and organizations su
I heard that let's encrypt has already started public beta, so immediately began to try. Let's Encrypt is a new digital certification authority that automates the process of eliminating the complexity of creating and installing certificates, and provides free SSL/TLS certificates for websites.
The following is the process of using Let's Encrypt:
Get the client
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