A Simple Reverse Engineering of Login Encryption Algorithm

A Simple Reverse Engineering of Login Encryption Algorithm

1. “Seeing Flowers in the Fog” Error in replaying the login interface: It seems to be related to RSA encryption. Why RSA? Just a feeling~~ “`y9uN67EfI6s5KtHsQSxQ6XDq0MSYnON9XzZmTOXlN3gzGq13%2B5iZ0MmMXLq7ypgoPTr0NN7wnpjHHNbDcfVS/4Eda24Mjf8qgs%2BXX7a470iGyn8oh7S6Ha7QHMIyt9EQ1Oi1KNNSEidngzJB4y/V7jebeXjhaRZNqsPvbQRYSuA%3D“` URL Decoding “`y9uN67EfI6s5KtHsQSxQ6XDq0MSYnON9XzZmTOXlN3gzGq13+5iZ0MmMXLq7ypgoPTr0NN7wnpjHHNbDcfVS/4Eda24Mjf8qgs+XX7a470iGyn8oh7S6Ha7QHMIyt9EQ1Oi1KNNSEidngzJB4y/V7jebeXjhaRZNqsPvbQRYSuA=“` BASE64 Continue Decoding “`˛�#빪ѬA,P鰪Є蜣}_6fL奷x3�虐Ɍ\껊訽:䴞ޘǜփq咿ᝫn�⏗_港H抿(紺²瑐Ԩ娓R'g㲁㯕yxᩖMꃯmXJ“` 2. “Analyzing in Detail” Next, let’s analyze the login logic. Encryption algorithm plugin: http://172.18.252.116:8096/SmartWorkESB/js/jsencrypt.js Login logic: http://172.18.252.116:8096/SmartWorkESB/js/index.js Basically, the client uses the … Read more

Cybersecurity Classroom | What to Do About Information Leakage? Encryption Algorithms to the Rescue!

Cybersecurity Classroom | What to Do About Information Leakage? Encryption Algorithms to the Rescue!

Cybersecurity Information Encryption FUTURE The Internet is a magical network that tightly weaves each of us together. It is this network that makes our lives so convenient. We can draw the knowledge we need from the Internet, truly realizing the saying, “You can know the world without leaving your home.” However, alongside the convenience brought … Read more

SHA1 Encryption Algorithm Process

SHA1 Encryption Algorithm Process

This is the general calling process. Initialization Part SHA1Reset(&context) Pass in a structure and then initialize it. The structure looks like this: As you can see, many things are defined, including constants, data block size, and Length_High and Length_Low representing the plaintext length, etc. Enter the SHA1Reset function. Here, it is actually initializing the structure. … Read more

Triple Empowerment of IoT, AI, and Encryption Technology! A New Paradigm for Smart Management and Supervision of Integrity in Fuel Stations (Part One)

Triple Empowerment of IoT, AI, and Encryption Technology! A New Paradigm for Smart Management and Supervision of Integrity in Fuel Stations (Part One)

The construction of the finished oil circulation big data smart supervision platform, comprehensive supervision platform, smart comprehensive supervision platform for gas stations, tax data supervision platform for gas stations, comprehensive supervision platform for finished oil at gas stations, smart IoT management cloud platform for gas stations, smart supervision platform for finished oil circulation, and smart … Read more

The Complete Guide to OpenSSL: The Ultimate Weapon for Secure Communication in Linux Systems

The Complete Guide to OpenSSL: The Ultimate Weapon for Secure Communication in Linux Systems

Follow「Raymond Operations」 public account, and set it as「Starred」, or scan the QR code at the bottom to join the group chat, to get the latest content first and not miss out on exciting content. Introduction to Linux OpenSSL SSL and TLS Before understanding OpenSSL, we first need to know what SSL/TLS is. SSL (Secure Sockets … Read more

Password Security: A Comprehensive Overview of Common Encryption Algorithms

Password Security: A Comprehensive Overview of Common Encryption Algorithms

1. Overview of Encryption Algorithms Encryption is a technology frequently used in front-end and back-end development, with applications including but not limited to user login, data transactions, and information communication. Different application scenarios may require different signature encryption algorithms or combinations of various signature encryption algorithms to achieve business objectives. Generally, encryption algorithms can be … Read more

GRUB Encryption on Linux Systems

GRUB Encryption on Linux Systems

GRUB encryption can protect the integrity of the system boot process,preventing unauthorized access to the system in single-user mode to tamper with the file system. Note: 1. This article is for learning purposes only; please do not criticize if you dislike it. 2. The experimental environment is CentOS 7. 3. There is no absolute security, … Read more

In-Depth Analysis: How to Achieve Local Calculation of JS Encrypted Parameters through MD5 Algorithm Completion

In-Depth Analysis: How to Achieve Local Calculation of JS Encrypted Parameters through MD5 Algorithm Completion

1. Introduction to JS Encryption 1. Instant Data Interaction In previous articles, crawlers obtained the required response data by making one-time requests to web pages. This method can directly filter data using Xpath or JsonPath based on the type of data. However, if the data to be crawled requires instant interaction to obtain, it will … Read more

Basics of Linux: Common Methods for SSH

Basics of Linux: Common Methods for SSH

Introduction to SSH SSH (Secure Shell Protocol) is an encrypted network transmission protocol used for data transfer in insecure network environments. In addition to remote login, it provides a complete set of network security transmission tools, with common functions as follows. Encryption in SSH The security of SSH comes from its powerful encryption system. Asymmetric … Read more