API Security

An Overview of 7 Common Encryption Algorithms and Their Implementations

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An Overview of 7 Common Encryption Algorithms and Their Implementations

(Give a star to algorithm enthusiasts, train your programming skills) Source: Zero One Technology Stack blog.csdn.net/baidu_22254181/article/details/82594072 Introduction Digital signatures and information encryption are technologies frequently used in both front-end and back-end development, with application scenarios including user login, transactions, information communication, oauth, etc. Different application scenarios may require the use of different signature encryption algorithms … Read more

Malware Unpacking Methods (Part 2): Weak Encryption Algorithms

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Malware Unpacking Methods (Part 2): Weak Encryption Algorithms

A few days ago, I began writing a series of articles about tools and methods for unpacking malware. Each malware or packer is different, and sometimes general methods do not work for unpacking. However, common characteristics can sometimes be found among them. For example, packers often use weak encryption algorithms, which can be cracked. In … Read more

Implementation of AES Encryption Algorithm in C Language

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Implementation of AES Encryption Algorithm in C Language

This article only describes the use of the AES algorithm without going into too much detail about its principles. Readers who want to understand its principles can search online. 1. Introduction to AES The Advanced Encryption Standard (AES) is the most common symmetric encryption algorithm. A symmetric encryption algorithm uses the same key for both … Read more

The Safest Encryption Algorithms to Date

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The Safest Encryption Algorithms to Date

An encryption algorithm that can only be cracked by computing power 1 The History of Human Encryption In the 5th century BC, the ancient Greeks used a stick called scytale to transmit encrypted messages. To encrypt, one would wrap a strip of paper around the stick and write the message horizontally along the stick, rotating … Read more

How to Use Encryption Algorithms to Protect Sensitive Data

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How to Use Encryption Algorithms to Protect Sensitive Data

Encryption is the process of converting plaintext into ciphertext using algorithms to prevent unauthorized access. Encryption is divided into two types: 1. Symmetric Key Encryption 2. Asymmetric Encryption (Public Key Encryption) How Encryption Algorithms Work An encryption algorithm is a mathematical function that converts plaintext into ciphertext, typically using a key to perform encryption and … Read more

Analysis of Common Encryption Algorithms

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Analysis of Common Encryption Algorithms

Today, we will introduce commonly used encryption algorithms, their classifications, and applications. 1. Symmetric Encryption Algorithms Symmetric means that both parties using this encryption method use the same key for encryption and decryption. The key is the instruction that controls the encryption and decryption process. The algorithm is a set of rules that specifies how … Read more

Latest 2022 Research Review on Industrial IoT Anomaly Detection Technology

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Latest 2022 Research Review on Industrial IoT Anomaly Detection Technology

This article surveys the differences in various anomaly detection methods and their applicability to the security protection of the Industrial Internet of Things (IIoT). It analyzes papers published from 2000 to 2021 on network anomaly detection, summarizes the security threats faced by IIoT, and categorizes 9 types of network anomaly detection methods and their characteristics. … Read more

Design of Maintenance Key Based on Bluetooth Low Energy Technology

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Design of Maintenance Key Based on Bluetooth Low Energy Technology

2016 Microcomputer and Applications Issue 18 Authors: Shen Yi, Chen Zhangjin, Zhang Hongbin, Wu Zhiguo Abstract: This paper proposes a design for a maintenance key based on Bluetooth Low Energy technology to address the issues faced by enterprises using traditional keys to manage key cabinets, such as centralized management and poor security. The system uses … Read more

CoAP: The Next Protocol Vulnerable to DDoS Attacks

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CoAP: The Next Protocol Vulnerable to DDoS Attacks

Click the blue text to follow us with one click “ Dream Thinker NetworkSecurity Guardian ” Security researchers indicate that RFC 7252, also known as the Constrained Application Protocol (CoAP), is about to become one of the most abused protocols in DDoS attacks. What is CoAP? CoAP was officially approved in 2014 and has only … Read more

Analysis of Risks in MQTT Protocol Interfaces

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Analysis of Risks in MQTT Protocol Interfaces

xxhzz @PortalLab Lab 1. Introduction to MQTT Protocol MQTT is a “lightweight” communication protocol based on the publish/subscribe model, built on the TCP/IP protocol. It is lightweight, open, simple, and designed to be easy to implement, making these features particularly suitable for constrained environments such as machine-to-machine (M2M) and Internet of Things (IoT) environments. Publish/Subscribe … Read more