information security Articles - Page 18 of 60

Multiple Ways and Tips for SSH Passwordless Login Between Linux Servers

2026-04-28 by boardor

In Linux server management, achieving passwordless login cangreatly improve work efficiency, reducing the hassle of frequently entering passwords. However, in practical operations, we may encounter various restrictions, such asnot knowing the root user password,being unable to use<span>ssh-copy-id</span> command,SSH service running on a non-default port, etc. This article will detail how to achieve passwordless login between … Read more

Introduction to Zigbee Security: Part 1

2026-04-28 by boardor

Introduction ZigBee is an open-source wireless technology used for low-power embedded devices (radio systems) to facilitate efficient and effective communication between machines (typically 10-100 meters apart) while maintaining a low cost. ZigBee is built on the IEEE 802.15.4 standard and is supported by the ZigBee Alliance (a consortium aimed at standardizing the ZigBee protocol). The … Read more

Zigbee Security Fundamentals Part 2

2026-04-28 by boardor

Introduction ZigBee is considered a secure communication protocol. Its security architecture complements the security services provided by the IEEE 802.15.4 standard. The security services provided by ZigBee include secure key establishment, secure key transfer, frame protection through symmetric encryption, and secure device management. However, its security features are based on certain inherent assumptions: • ZigBee … Read more

Bluetooth Smart Lock Online Management Tutorial

2026-04-28 by boardor

The Bluetooth smart lock management system is an online management app designed by Xishang for the currently fully launched Bluetooth smart lock solution. This app allows for a series of operations such as information entry, record inquiry, time-sensitive password sharing, authorizing administrator users, and online face unlocking for door locks. Whether for home use, homestays, … Read more

Cu-Catalyzed Asymmetric Nucleophilic Opening of Tetrasubstituted DAC

2026-04-27 by boardor

Researchers have found that the asymmetric catalytic transformation of donor–acceptor cyclopropanes (DAC) can construct various types of stereochemically enriched molecules, which is highly valuable, and this strategy is very powerful. However, how to use 1,1,2,2-tetrasubstituted DAC cyclopropanes to synthesize products that modify quaternary carbon stereocenters remains an unresolved challenge.In this regard, Researcher Fang Xinqiang from … Read more

Alarm Product 2.0 | Bus Alarm Host

2026-04-27 by boardor

Dog Xiaowang ~Wang~ Lazy cat, the neighbor installed a set of Hikvision “Wireless Alarm Kit”, look how happy those dogs are playing, why don’t we install it? ~Meow~ Stupid dog, don’t you see how big the owner’s house is? There is a small vault underground, and wireless cannot cover it, so let us guard the … Read more

Common Fault Diagnosis and Analysis of Automotive CAN Communication Bus

2026-04-27 by boardor

Understanding the CAN Communication Bus: With the rapid development of the times, automotive electronic technology is constantly updated, so we must improve our technical level through continuous learning. In this issue, we will explore the automotive CAN communication bus, covering the principles, design, applications, and maintenance of CAN in a comprehensive article! “What is a … Read more

Randomness Ensures the Security of SiFive Shield HCA

2026-04-26 by boardor

On the surface, building a secure foundation using the concept of randomness seems surprising. From the perspective of entropy, randomness can protect data, chips, and systems by generating encryption methods. By leveraging the essence of randomness as the foundation of security systems, it becomes possible to enhance the security of computer systems and protect critical … Read more

Analysis of CVE-2017-13772 and MIPS Stack Overflow Exploit Summary

2026-04-26 by boardor

1. Introduction This article will analyze CVE-2017-13772 and summarize the general approach to exploiting MIPS stack overflow. Before reading, it is necessary to understand MIPS assembly related knowledge. 2. Causes of CVE-2017-13772 Vulnerability CVE-2017-13772 is a stack overflow vulnerability in TP-Link, which is triggered when an overly long IP address is input in the ping … Read more