Cryptography

Hardware Accelerators in ESP32-S3: Enhancing Cryptographic Efficiency

by
Hardware Accelerators in ESP32-S3: Enhancing Cryptographic Efficiency

“ This article focuses on the SHA, AES, RSA, and HMAC hardware accelerators in the ESP32-S3, explaining how dedicated circuits enhance encryption efficiency. By comparing the algorithm characteristics and application scenarios of different accelerators, along with program examples involving data hashing and encryption/decryption, it demonstrates their collaborative role in ensuring data security and efficiency.” 01 … Read more

Graph Structures in C Language: Adjacency Matrix and Adjacency List

by
Graph Structures in C Language: Adjacency Matrix and Adjacency List

In computer science, a graph is an important data structure used to represent relationships between objects. A graph consists of vertices (or nodes) and edges. Depending on different requirements, we can use various methods to store graph data. In this article, we will detail two common graph storage methods: the adjacency matrix and the adjacency … Read more

CTF Practical Techniques | 10 Typical Exploitation Points of RSA Encryption Algorithm

by
CTF Practical Techniques | 10 Typical Exploitation Points of RSA Encryption Algorithm

Introduction In CTF competitions, the RSA encryption system is a very common examination point. Because the RSA encryption and decryption algorithm is based on number theory problems, if not designed properly, it can easily lead to vulnerabilities that allow plaintext to be leaked. This article summarizes common exploitation scenarios and code analysis for CTF-RSA, providing … Read more

ECC-Based Image Encryption and Decryption Algorithm MATLAB Simulation

by
ECC-Based Image Encryption and Decryption Algorithm MATLAB Simulation

🌠This work includes the program, Chinese comments, references, and a video on how to operate the program.🚀Software versions: Matlab 2024b/Matlab 2022a🌠How to obtain the program Click the bottom left corner of WeChat to read the original text 💥Program test results displayThe simulation test results are as follows:✨Algorithm Overview Elliptic Curve Cryptography (ECC) is an important … Read more

Data Encryption Techniques in Python: Common Encryption Algorithms and Their Implementation

by
Data Encryption Techniques in Python: Common Encryption Algorithms and Their Implementation

Data Encryption Techniques in Python: Common Encryption Algorithms and Their Implementation In today’s information age, data security is particularly important. Whether it is personal privacy or corporate secrets, protecting data from unauthorized access is crucial. This article will introduce several commonly used data encryption algorithms and demonstrate how to implement these algorithms using Python code … Read more

Understanding the SM2 Encryption Algorithm

by
Understanding the SM2 Encryption Algorithm

In the digital world, we exchange information every day: online shopping payments, WeChat chats, online office work, and even scanning codes to take the subway… Behind these conveniences lies an invisible “security guard”—encryption algorithms. You may have heard of international mainstream algorithms like RSA and ECC, but today, we will discuss a “guardian of security” … Read more

Pantera Partner: The Era of AI Robots Driven by Cryptocurrency

by
Pantera Partner: The Era of AI Robots Driven by Cryptocurrency

Author: Paul Veradittakit, Partner at Pantera Capital; Translation: Jinse Finance Xiaozou Abstract: The innovation and economies of scale in VLA are driving the emergence of affordable, efficient, and versatile humanoid robots. As warehouse robots expand into the consumer robot market, the safety, financing, and evaluation mechanisms of robots deserve in-depth exploration. Cryptographic technology will promote … Read more

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

by
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

Conditions for Information Encryption Using Algorithms E and D

by
Conditions for Information Encryption Using Algorithms E and D

06 In cryptography, the encryption algorithm E and the decryption algorithm D must meet the following conditions to ensure that plaintext P can be securely encrypted and correctly restored! Network Technology Section 1) Reversibility Condition The encryption and decryption must be inverse operations of each other, that is: D(E(P))=PExplanation: Applying the encryption algorithm E to … Read more

Detailed Explanation of the RSA Encryption Algorithm

by
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