digital signatures

RK3399 Environment Configuration (Part 1) Comprehensive Analysis of Virtual Machine Network Modes: NAT, Bridged, and Host-Only Modes (Including Practical Cases)

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RK3399 Environment Configuration (Part 1) Comprehensive Analysis of Virtual Machine Network Modes: NAT, Bridged, and Host-Only Modes (Including Practical Cases)

When using VMware to set up a virtual machine, I often encounter a question: How should the network of the virtual machine be configured? Why can it connect to the internet sometimes, but cannot ping the host machine at other times? Today, I will explain the three common network modes of virtual machines in simple … Read more

3D Printing a Forest: Digital Nature Comes to Life at Arizona State University

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3D Printing a Forest: Digital Nature Comes to Life at Arizona State University

At the Media and Immersive Experience Center (MIX Center) of Arizona State University (ASU), artist Kevin Peter He is reimagining nature through technology. His immersive installation work, “Passage,” creates a sensory experience that explores what nature might look like in the digital age through synthetic trees, 3D printing, and projection. This work is part of … Read more

Number Theory: How RSA Encryption Protects Your Payment Passwords?

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Number Theory: How RSA Encryption Protects Your Payment Passwords?

When you enter your payment password on a shopping platform, the data transforms into a string of encrypted codes traveling across the network. This string of codes is unbreakable due to the mathematical fortress built on prime factorization and modular arithmetic in number theory—the RSA encryption algorithm. As the cornerstone of global payment system security, … Read more

Zephyr | The Rain is Weeping

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Zephyr | The Rain is Weeping

The rain, she is weeping The wounded girl trembles Yet she pours her tears upon the earth Praying for the withered trees to sprout new branches For all things to be rejuvenated once more No one responds, a dead silence The rain, she is choking back sobs The girl shivers, expressing her discontent Why do … Read more

May Day Cycling Adventure: Departing from Fishing Port Village to Explore the Xijing Bay Triangle and Tongjing Mountain

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May Day Cycling Adventure: Departing from Fishing Port Village to Explore the Xijing Bay Triangle and Tongjing Mountain

May Day Cycling Adventure Departing from Fishing Port Village to Explore the Xijing Bay Triangle and Tongjing Mountain 01 May On the morning of May Day, as the city was not yet fully awake, a group of cycling enthusiasts gathered at Fishing Port Village by Taihu Lake, welcoming the first rays of sunshine and embarking … Read more

HTTPS | Encryption Algorithms

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HTTPS | Encryption Algorithms

Information security public welfare publicity, information security knowledge enlightenment. Add WeChat group reply to public account: WeChat Group; QQ group: 16004488 Joining the WeChat group or QQ group can get: Learning Tutorials Cryptography is widely used in computer science, and HTTPS is a secure communication protocol built on the foundation of cryptography. HTTPS was first … Read more

Do Not Confuse IT and OT Security in Industrial Control Systems!

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Do Not Confuse IT and OT Security in Industrial Control Systems!

In the security management of Industrial Control Systems (ICS), security management is typically divided into three main areas: the security of physical devices, IT security, and operational security (factory safety and system integrity). Nowadays, in the security management of Industrial Control Systems (ICS), information technology (IT) security testing has become increasingly automated. Although we are … Read more

How to Configure Policy Routing on Huawei Firewall

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Click the blue text above to follow us. By configuring NAT and policy routing functions, campus network users can access the Internet in different ways. Networking Requirements Student users at a certain school can access the Internet through the education network, while teacher users can access the Internet directly. The IP address allocated to the … Read more

What Is SD-WAN and Its Unique Features?

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What Is SD-WAN and Its Unique Features?

As a popular concept, SD-WAN has frequently appeared in our view in recent years. Many people say it is one of the most promising communication technologies of the future, with significant commercial value.Established communication equipment vendors and operators in the industry are optimistic about it, while emerging startups regard it as a once-in-a-lifetime opportunity, flocking … Read more

Understanding Passwords: Key Concepts You Should Know

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Understanding Passwords: Key Concepts You Should Know

This “password” is not that “password”; key password knowledge you should know. As of July 1, the newly revised “Commercial Password Management Regulations” have officially come into effect. With the acceleration of the digitalization process, commercial passwords are now applied in all aspects of our lives, providing security assurance. The “password” referred to here is … Read more