information security

Google Quantum Research Team Achieves Major Breakthrough: Resources Required to Crack RSA Encryption Significantly Reduced

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Google Quantum Research Team Achieves Major Breakthrough: Resources Required to Crack RSA Encryption Significantly Reduced

On June 23, news emerged that the Google Quantum Research Team has made a groundbreaking discovery. The research indicates that the quantum resources required to crack the RSA encryption algorithm, widely used to protect bank accounts, e-commerce, and cryptocurrency wallets, are estimated to be 20 times less than previously thought, potentially reducing the quantum threshold … Read more

Java Security Mechanisms: Applications of Encryption and Decryption Algorithms

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Java Security Mechanisms: Applications of Encryption and Decryption Algorithms

Java Security Mechanisms: Applications of Encryption and Decryption Algorithms In modern software development, data security is a crucial topic. Java provides various encryption and decryption algorithms to ensure the security of data during transmission and storage. This article will introduce commonly used encryption and decryption algorithms in Java and provide code examples to help beginners … Read more

MCP: The HTTP or USB-C for AI?

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MCP: The HTTP or USB-C for AI?

Welcome to the reading! đź‘Ź The Model Context Protocol (MCP) has recently gained significant attention. MCP is an open standard designed to help AI applications—especially large language models (LLMs)—connect more easily to external data sources and tools. This article will clearly outline some key points about MCP. Why was MCP created? In traditional scenarios, connecting … Read more

The Deep Integration of AI and IoT: Is the Era of Smart IoT Here?

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On June 17, 2025, during the 23rd International Internet of Things Exhibition (Shanghai), the China IoT Enterprises Going Global and Innovation Development Summit and the “IoT Star” Award Ceremony were grandly held in Shanghai. Liu Yang, Deputy Director of the Industrial Internet and IoT Research Institute of the China Academy of Information and Communications Technology … Read more

ESP32 Storage System

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ESP32 Storage System

🧠 1. Physical Storage Structure On-Chip Memory IRAM (Instruction RAM) 192KB (ESP32 classic version), with the first 64KB fixed for dual-core CPU cache, and the remaining space used for high-speed execution code (such as interrupt functions). DRAM (Data RAM) 328KB, used for global variables and stack data. About 64KB will be occupied by the protocol … Read more

Detailed Explanation of the RSA Encryption Algorithm

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Detailed Explanation of the RSA Encryption Algorithm

Encryption and Asymmetric Encryption Symmetric encryption: The same key is used for both encryption and decryption, such as the AES algorithm.Asymmetric encryption: Uses a pair of keys (public key + private key), where the public key is used for encryption and the private key is used for decryption. RSA is a typical representative. RSA Algorithm … Read more

Detailed Explanation of the HTTP Protocol

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Detailed Explanation of the HTTP Protocol

HTTP (Hypertext Transfer Protocol) is the foundation protocol for data communication on the World Wide Web (WWW) and is one of the most widely used protocols in modern internet applications. 1. Overview of HTTP 1.1 Basic Concepts Definition An application layer protocol based on the client-server model Function Specifies how clients and servers request and … Read more

Authorization in MQTT: Managing Access to MQTT Messages with ACL

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Authorization in MQTT: Managing Access to MQTT Messages with ACL

Authorization is a security mechanism that determines whether to allow users, devices, or applications to access specific resources, operations, or information based on their identity and permissions. In computer systems, networks, web applications, and other environments that require protection of sensitive data and resources, authorization is a key measure for ensuring security and implementing access … Read more

Detailed Explanation of MODBUS Protocol 8: Unlock Advanced Techniques to Optimize Communication Efficiency

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Detailed Explanation of MODBUS Protocol 8: Unlock Advanced Techniques to Optimize Communication Efficiency

Click to follow and never lose your way in learning! On the stage of industrial automation, the application of the MODBUS protocol is like a war without gunpowder, where everyone is pursuing more efficient, stable, and intelligent communication effects. Today, we will dig into the advanced application techniques of the MODBUS protocol, uncovering these “hidden … Read more

IoT Technology and Its Security Issues

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IoT Technology and Its Security Issues

With the development of 5G technology and the popularity of IPv6, the Internet of Things (IoT) industry has entered a period of rapid growth. IoT applications across various industries have surged, particularly in the industrial and power sectors. The intelligent and informational transformation of traditional industrial and power facilities through IoT technology and devices has … Read more