With the advent of the era of artificial intelligence and the Internet of Things, data applications have become frequent. How should data security be protected? What software encryption algorithms are there, and in what areas are these algorithms applied? As you read on, you will discover the “small passwords” surrounding us. Symmetric Encryption Algorithms Symmetric … Read more
Hello everyone, I am XXX. Today we are going to talk about the hot topic of security protection for industrial control systems. With the advancement of Industry 4.0, device interconnection has become a trend, but security risks have also emerged. This article will comprehensively analyze how to protect our industrial control systems, especially the safety … Read more
BY：Author Arjun Nagarajan LoRaWAN is a remote wide area network protocol developed by the LoRa Alliance that connects “things” wirelessly to the Internet in regional, national, or global networks. This technology meets critical Internet of Things (IoT) requirements such as bi-directional communication, end-to-end security, mobility, and localization services. It defines the communication protocol and system … Read more
C++ in Network Research: A Comprehensive Analysis of Security Testing and Evaluation 1. The Close Connection Between C++ and Network Research In today’s digital wave, the internet has permeated every corner of life, from daily social entertainment and convenient shopping to efficient corporate operations and cutting-edge scientific research. Behind the booming development of internet technology, … Read more
General Penetration Testing Approaches for AES+SM4 Encryption Article originally published on: Zgao’s blog In a recent penetration testing project, the website’s traffic utilized the AES+SM4 dual-layer encryption algorithm for secure transmission. When encountering a website with encrypted transmission, it is usually impossible to perform vulnerability scanning. Manual testing is inefficient, hence the exploration of general … Read more
Click the blue text above “Programming Diary” to follow below National secret algorithms: These are algorithms independently developed by our country to reduce excessive reliance on foreign technology. National secret refers to the domestic cryptographic algorithms recognized by the National Cryptography Administration. The following is the specific correspondence: Symmetric algorithms: AES, DES, SM4 Asymmetric algorithms: … Read more
This article attempts to discuss the evolution of cryptographic algorithms, which are closely related to our online lives, from ancient to modern times, and to elaborate on the key cryptographic algorithms that emerged throughout this process, leading everyone to understand the fascinating algorithms behind them. — Anhua Jinhui Article Navigation ◈ How Did Ancient People … Read more
1. Background According to records, the ancient Greeks invented substitution ciphers around 400 BC. The world’s first telephone secrecy patent appeared in 1881. During World War II, the German military used the “Enigma” cipher machine, and cryptography played a very important role in the war. With the development of information and digital society, people’s awareness … Read more
Source: http://foofish.net/https-symmetric.html Author: _zhijun Before fully understanding HTTPS, it is necessary to clarify some concepts related to cryptography, such as: plaintext, ciphertext, cipher, key, symmetric encryption, asymmetric encryption, hash, digital signature, and digital certificate. — _zhijun Article Navigation –Cipher05% –Key11% –Plaintext/Ciphertext18% –Symmetric Key22% –Asymmetric Key36% –Digital Signature47% –Digital Certificate67% –References88% Cryptography is widely used in … Read more
Click the “Blue Word” to Follow Us Mastering the PyCrypto Library for Enhanced Data Security! When writing code, we often encounter sensitive data that needs to be encrypted for protection. If we talk about the most user-friendly encryption library in Python, it has to be PyCrypto. This tool is like a Swiss Army knife in … Read more