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  bcrypt: Safeguarding Passwords with Strong Hashing and Adaptive Security

Introduction In today's digital world, passwords play a crucial role in protecting personal privacy and information security. Passwords are the most commonly used means of authentication because they are simple yet effective. Password security is the cornerstone of cybersecurity and plays a fundamental role in safeguarding the information security of individuals and organizations. However, with the increasing frequency and complexity of cyberattacks, traditional password hashing algorithms like ...

   BCRYPT,SECURITY     2023-11-15 08:14:35

  10gen provides free training courses for MongoDB

MongoDB is an open source document oriented database, developed with C++, it is to solve some real problems existing among development communities. In October 2007, MongoDB development began at 10gen, in 2009, MongoDB was open sourced as a standalone product. 10gen provides technical support, training and consultancy service. According to 10gen education, 10gen will provide some training courses for MongoDB starting from 22 October, 2012. Now it's available for registration. There are two cours...

   MongoDB,10gen,training,course,free     2012-09-20 22:51:43

  TIOBE : No news today

TIOBE released the programming index for September 2012. There is no big change for this month compared to last month, the top 3 are still C, Java and Objective-C. In top 20, only Transact-SQL exchanged the position with VB.NET. Java shows trend of drop, will it be worse because of the ignorance of Java's vulnerabilities by Oracle. This index shows that the programing lnaguage market is quite normal, no big events. Except Objective-C, in recent years there are no other new languages which have b...

   TIOBE,Objective-C,Index     2012-09-05 07:36:07

  Guide on recovering data in MySQL

In our daily work, there might be mistakes made which got some data or even databases deleted in MySQL. If this happens on production, it would be a nightmare. In case this happens, normally DBA would jump in to save the world. And they would try to recover the data from the backup if there is any. But if there is no backup, then the show stops. Hence database backup is necessary on production environments to avoid such awkward situation. Also normally in MySQL, binlog should be enabled as well ...

   MYSQL,DATABASE,BACKUP,BINLOG,EXAMPLE     2020-08-26 07:50:30

  Different types of keystore in Java -- BKS

BKS is a keystore format provided by the popular third party Java cryptographic library provider -- BouncyCastle. It is a keystore similar to the JKS provided by Oracle JDK.  Before starting to use BKS, the BouncyCastle provider has to be downloaded and installed. To download the provider, please go to BouncyCastle download page. The provider can be installed by adding an entry in the java.security file. security.provider.N=org.bouncycastle.jce.provider.BouncyCastleProvider N means the pr...

   JAVA,KEYSTORE,BOUNCYCASTLE,BKS     2016-07-03 03:00:18

  A serious security vulnerability found in MySQL/MariaDB

Recently a serious security vulnerability was found in MySQL/MariaDB. It relates to the access to the database. The issue is described below.When a user connects to MariaDB/MySQL, a token (SHA over a password and a random scramble string) is calculated and compared with the expected value. Because of incorrect casting, it might've happened that the token and the expected value were considered equal, even if the memcmp() returned a non-zero value. In this case MySQL/MariaDB would think that the p...

   MySQL,MariaDB,bug,fix,password,memcmp()     2012-06-11 10:28:09

  6 necessary WordPress plugins for personal blogs

WordPress is now adopted by most bloggers, it has various themes and powerful plugins. There are lots of amazing plugins can be chosen such as spam comment filers and sitemap generators. For novice WordPress users, you may be confused about which plugin to choose, here we share with you 6 necessary WordPress plugins. Akismet Akismet is a built-in WordPress comment plugin. It checks your comments against the Akismet web service to see if they look like spam or not and lets you review the spam it ...

   WordPress plugin,Comment,Sitemap     2013-08-05 03:18:40

  this keyword in Lambda expression in Java 8

Since the release of Java 8, people are excited to see a big feature added to this language which is existing in other languages for a long time -- Lambda expression. The introduction of lambda expression in Java 8 gives people an easy way or a vertical to horizontal way to solve problems. There are many posts on the Internet which shows how to use lambda expression in Java, such as Lambda Quick Start and Java 8 Lambda Expressions Tutorial with Examples. In this post, we will only focus on the t...

   THIS,LAMBDA EXPRESSION,JAVA 8     2014-06-01 03:57:05

  Highly efficient PHP code writing

Next are some tips for writing highly efficient PHP codes. They are described below: 0. Use single quote to replace double quote, this will be better since PHP will serach for variables in double quoted strings. Note, only echo can do this; 1. If we can define methods of a class as static, then do it. It will increase access speed by 4 times; 2. $row["id"] is 7 times faster than $row[id]; 3. echo is faster than print, and also use echo's multiple parameter format such as echo $str1,$str2 inst...

   PHP,Code writing,High efficient,Tips     2011-07-23 12:35:50

  Never ever touch a programmer

This is a technical license plate block example. We don't know whether it is working or not, however, the idea is very good. When you drive through some of the junctions, the camera captures the license number and convert it into text with OCR, and then insert them into the database. Therefore, this license plate on the car becomes a SQL injection. This picture tells us -- never trust user input.Author : 陈皓 Source : http://coolshell.cn/articles/6639.html#more-6639...

   Programmer,SQL injection     2012-04-21 01:19:48