API Security

Research on Security Reinforcement of MQTT Protocol

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Research on Security Reinforcement of MQTT Protocol

Abstract:This research studies methods for enhancing the security of the Message Queuing Telemetry Transport (MQTT) protocol and proposes a security reinforcement framework for MQTT protocol. First, the risks faced by the MQTT protocol are analyzed, extracting four security requirements: authentication, authorization, data transmission protection, and trustworthiness of the broker; secondly, the principles and applications of … Read more

MQTT Broker Proxy Server

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MQTT Broker Proxy Server

MQTT Broker Proxy Server MQTT protocol is a simple transmission protocol for information data in the Internet of Things world, the full name of the protocol is Message Queuing Telemetry Transport. It is a message transmission protocol based on client-server and publish-subscribe model (Message Queue Telemetry Transport), and is an OASIS standard. The MQTT protocol … Read more

Understanding the JTAG Protocol for ECU Debugging

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Understanding the JTAG Protocol for ECU Debugging

In the ECU software development process, software debugging or testing often involves the JTAG interface, which is used through the JTAG protocol with emulators/debuggers such as JLink, ST-LINK, and Lauterbach for online debugging of software programs. Although many use it daily, not everyone is familiar with it. Therefore, this article intends to provide a brief … Read more

Is It Possible to Rewrite the Linux Kernel in Rust?

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Is It Possible to Rewrite the Linux Kernel in Rust?

It is well known that Linux is the representative of the C language. However, times have changed, and Rust is on the rise, gaining more and more support, gradually taking on the role of the system language for Linux. At the 2020 Linux Plumbers Conference, developers seriously considered the idea of using Rust for inline … Read more

Implementing Enterprise-Level Distributed Security Sensor Network with Ruby

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Implementing Enterprise-Level Distributed Security Sensor Network with Ruby

Today, I want to take everyone through an interesting and practical topic: Implementing an Enterprise-Level Distributed Security Sensor Network with Ruby. Don’t be intimidated by the title; this is actually a large project broken down into steps. We will start from the basics and gradually build a scalable distributed system to simulate the operation of … Read more

Understanding OTA (Over-The-Air) Updates

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Understanding OTA (Over-The-Air) Updates

1. Overview OTA (Over-The-Air) is a method for remotely updating device firmware or software through wireless communication technology. This technology is widely used in modern IoT devices, smartphones, cars, embedded systems, etc., providing a convenient update method without physical connections. The core of OTA updates is to enable devices to automatically, reliably, and securely obtain … Read more

Understanding CPU, MCU, MPU, SoC, DSP, ECU, GPU, and FPGA

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Understanding CPU, MCU, MPU, SoC, DSP, ECU, GPU, and FPGA

In electronic engineering and embedded development, terms like CPU, MCU, MPU, SoC, DSP, ECU, GPU, and FPGA are often mentioned. However, due to similar names and overlapping uses, beginners often feel confused. This article will comprehensively analyze their characteristics from four perspectives: definition, performance, usage, and price. — 1. CPU (Central Processing Unit) Definition The … Read more

Advantages of Ad-Hoc Networking Technology in Mobile Devices

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Advantages of Ad-Hoc Networking Technology in Mobile Devices

The application of ad-hoc networking technology in mobile devices has the following advantages: 1. High Flexibility Rapid Networking: Ad-hoc networking technology enables communication between devices through automatic discovery, automatic configuration, and automatic routing functions without central control. For example, in emergency rescue scenarios, mobile devices carried by rescuers can quickly form a temporary communication network … Read more

Injection Issues with PDO

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Injection Issues with PDO

Disclaimer Any direct or indirect consequences and losses caused by the dissemination and use of the information provided in this article shall be borne by the user. Thunder God Testing and the author of the article shall not bear any responsibility for this. Thunder God Testing reserves the right to modify and explain this article. … Read more

Injecting Thousands of Faults to Safeguard City Data Security

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Injecting Thousands of Faults to Safeguard City Data Security

“A large number of alarms appeared in the government external network area of a certain city’s cloud platform” “Confirming the affected cloud services” “Quickly set up the war room” “Check if the customer’s business is affected” ……. Accompanied by a piercing alarm sound The previously quiet Huawei Cloud Operations and Maintenance Monitoring Center Suddenly became … Read more