Introduction to Cryptography Cryptography is a young yet ancient discipline. It has been used to protect military and diplomatic communications for thousands of years. The earliest recorded communication cipher dates back to 400 BC. The ancient Greeks invented substitution ciphers. In 1881, the world’s first telephone secrecy patent emerged. The invention of the telegraph and … Read more
1 This Article's Purpose In using the Qiling simulation execution framework on the Windows platform, I encountered many difficulties, and some issues did not have solutions found through research. Therefore, I am writing this article, hoping it can provide some reference for everyone. The following points are listed as the content I want to express … Read more
A prime number is also called a prime, which refers to a natural number greater than 1 that has no other factors apart from 1 and itself. If a natural number can be expressed as the product of two prime numbers, that natural number is called a semiprime (also known as a biprime or a … Read more
In interface automation, we often encounter situations where passwords need to be encrypted. Sometimes, we look for developers to solve this. However, test engineers can also solve it themselves. Below, I will introduce the methods and applications of encryption in requests. Characteristics and Processing of MD5 Encryption Symmetric encryption algorithms: The same key is used … Read more
1 Abstract Vehicle-to-Everything (V2X) technology is an extension of the Internet of Things (IoT) that connects vehicles with external networks to achieve more efficient intelligent traffic management and safe driving. This article reviews the definition and core objectives of V2X technology, detailing the research status of the two main V2X technology routes—Dedicated Short Range Communication … Read more
1. NPT is a general-purpose American standard tapered pipe thread with a thread angle of 60°. PT thread is a British standard tapered thread with a thread angle of 55°, commonly used for sealing. British pipe threads are fine threads; coarse threads have a larger thread depth, which severely reduces the strength of the external … Read more
Click the above “Public Account” to subscribe! First, NPT is American thread, BSPT is British thread, and PT is also British thread, with PT being the Japanese JIS standard. In fact, BSPT and PT are the same. BSPT/NPT BSPT is the British standard for tapered pipe threads: it refers to a thread angle of 55° … Read more
Analysis of Bluetooth Technology’s Security Vulnerabilities and Attack Methods In current network applications, the Internet of Things (IoT) has a ubiquitous demand for diversity, low cost, low rate, and short distance. Such demands are mainly realized through low-speed network protocols like Bluetooth. Bluetooth is an open standard for short-range communication, utilizing embedded chips to achieve … Read more
Everyone has probably experienced that feeling when the WiFi in their home seems to be slowing down, wondering, “Is someone using my WiFi?” Sometimes, when we go out, we also want to try to use someone else’s WiFi. The premise of “borrowing WiFi” is to crack the other party’s “wireless password”. So, how secure is … Read more
Click the above Computer Enthusiasts to follow us Yesterday, a friend asked me how to completely prevent unauthorized access to my Wi-Fi. Today, I will focus on Wi-Fi encryption and the issue of unauthorized access, discussing what methods can effectively eliminate this problem. Choosing the Right Encryption Mode is Crucial The first line of defense … Read more