base64 encryption

Recently, it was a whim to save some confidential things to the database, and then I thought about how to make others even if they enter the database and do not understand what the storage is, so there is only encryption; but we have to look at it

This article describes in detail how to simulate single-point logon using curl in php and how to implement JS encryption functions using PHP. Php curl simulates single-point logon Here, the simulated logon, that is, the basic part of the website

Sample Project Https://github.com/cerastes/Encryption1md5Creating the MD5 Class#import @interface cjmd5:nsobject+ (NSString *) Md5hexdigest: (NSString *) input; @end#import "CJMD5.h" #import @implementation cjmd5+ (NSString *) Md5hexdigest: (

One, des encryption:First, the web search for a DES encryption algorithm tool class:Import java.security.*;Import javax.crypto.*;public class Deshelper {private static String Strdefaultkey = "national";Private Cipher encryptcipher = null;Private

Urlencode rawurlencode and other common functions are used to process parameters in the process of passing parameters in a program. However, in actual operations, the author finds that these functions always encounter problems in processing, the

Cross-Site Scripting (XSS) is a type of security vulnerability that occurs in web applications. Attackers can insert some code through XSS so that other users can access the page, XSS can be seen as a vulnerability. It allows attackers to bypass the

Request and response, servletrequest in servletIn the B/s architecture, there are requests from the browser and response server feedback. The bottom layer is the TCP/IP protocol and the application layer is the http protocol. In the tomcat server,

Http authentication .... BASIC:In the context of an HTTP transaction, Basic access authentication are a method for a Web browser or other client Program to provide a user name and password when making a request. [1]Before transmission, the user name

1. CodeiOS Common encryption methods (AES, MD5, base64)1, AES encryption NSData+AES.h File// //Nsdata-aes.h//Smile// //Created by Zhou Min on 12-11-24. //Copyright (c) 2012 BOX. All rights reserved. // #import@classNSString; @interfaceNSData

Starting with the simplest of the most common cryptographic algorithms and demos used in Java, start with this article.Easy to understandBase64 is not strictly a cryptographic algorithm, but a method of encoding/decoding implementation.We all know

The contents of the Front (1) (2) are enough for crawlers such as Web sites that do not need to log in to get data directly.and to crawl social networking site is a distinct feature is the need to log in, or many things can not be acquired. After

This CTF challenge is a bit of a point, let's take a lookThe homepage looks pretty good.Level1The flag can be seen directly F12.Flag:infosec_flagis_welcomeLevel2"This picture looks broken, can you check it?"If I had played Linux, it would have been

2012 the third session of the Xidian University network attackCompetition and network penetration part of the Customs Clearance programV2.0Southern SwordCyberpoliceHttp://weibo.com/nanguojianObjective:This competition by the West Electricity

Many people encounter the same problem. The _ ROOT _, _ PUBLIC _, and _ APP __characters in the strings assigned in the variable are, when displayed in the template, the actual path is replaced. This problem was found when writing the Timi file

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PHP encryption and actual application data encryption can be simply understood as: plaintext (file or data) --> algorithm processing --> unreadable ciphertext, so as to achieve the encryption effect. Several encryption methods in php Md5 encryption

If you have an environment, you can run it. Test data $ str1 = "1149395524", $ str2 = "4255390370" // Xor Function my_xor ($ text, $ key) { $ I = 0; $ Encrypted = ""; Foreach (str_split ($ text) as $ char ){ $ Encrypted. = chr (ord ($ char) ^ ord (

Baidu related Baidu included queryBaidu search within the specified time, the number of pages on the specified website and the specific situation Baidu keyword MiningSearch Keywords PC index, mobile index, ingest volume and rankings

: Https://github.com/ddwhan0123/Lazy Tools Description Animationutils Animation Tool Class Apputils App-related Information tool classes Assetdatabaseopenhelper

coding problem has always been a headache in programmer development, especially in China, the programmer will have more experience. The first two days of school teachers to one of the platform to add the Change password function (do not know why,