Click the blue text above to follow us PyCrypto: The Guardian of Cryptographic Algorithms When it comes to cryptographic algorithms, do you feel they are far from us? Not at all; they are everywhere in our daily lives. Think about the social media apps you use every day, online banking, and even the WiFi networks … Read more
Cryptography is the cornerstone of information security, and Python, as a powerful programming language, provides a wealth of tools to implement various cryptographic algorithms. Today, we will discuss how to implement some common cryptographic algorithms in Python and see how to protect our sensitive data from being stolen by malicious actors. 1. Symmetric Encryption: AES … Read more
Hi, Excel enthusiasts! Today I want to share with you a super cool advanced application of Excel—data encryption. That’s right, today we are going to implement the RSA encryption algorithm and digital signatures in Excel! Sounds impressive, right? Don’t worry, I will explain each step in an easy-to-understand way. Through this article, you will learn … Read more
In our daily lives, we often encounter various encryption algorithms. Today, let’s discuss the Python implementations of these encryption algorithms. Most commonly used encryption methods have corresponding Python libraries, so we generally no longer need to implement specific algorithms with code. MD5 Encryption Full name: MD5 Message-Digest Algorithm, a widely used cryptographic hash function that … Read more
In this paper, we will briefly discuss the principles and practices of computer encryption algorithms. Friendly reminder: Don’t be scared off by the word “paper”; in fact, understanding a high-level paper is quite simple! Those who frequently surf the internet surely know that the security of computers and mobile phones is extremely important. A long … Read more
ClickBlue TextFollow Us Abstract: The symmetric and asymmetric cryptographic systems each have their own advantages and disadvantages.Exploring a hybrid cryptographic system that combines both, retaining their advantages while maximizing the elimination of their disadvantages, is of great significance for the efficiency and security of modern network communication.Using asymmetric encryption to protect symmetric key is a … Read more
Bouncy Castle: The Versatile Encryption Library Hello everyone! Today I want to share with you a very powerful encryption library in both Java and C# – Bouncy Castle. As a cryptography enthusiast, I particularly love this library because it is like a treasure chest that contains almost all commonly used encryption algorithms. Whether it’s simple … Read more
Encryption Algorithms: Data Security Assurance for Microcontrollers and PLCs In industrial automation systems, data security is a critical issue that cannot be ignored. Whether it is a microcontroller or a programmable logic controller (PLC), they often need to handle and transmit important data such as production parameters, quality records, and machine status. If this data … Read more
Photographer: Product Manager This Skewered Food Shop Has Finally Opened When reading various encryption articles, you often see that the authors use numbers as examples for encryption. However, in real life, we communicate in Chinese. So how can we encrypt Chinese text? In the article “Don’t Worry, No One Can Snooze Our Chat Messages”, we … Read more
0 Introduction With the help of ECC (Elliptic Curve Cryptography), we can utilize the powerful capabilities of public key encryption while achieving the speed and security of symmetric encryption. Therefore, we gradually turn to practical scenarios, focusing on the following categories: (1). Public Key Key Exchange Protocols: ECDH (P256), ECDH (P384), ECDH (P521), X25519 and … Read more