This article is a featured article from the Kanxue Forum. Author ID on Kanxue Forum: LunaYoung Talosec Core Team: Wang An, Yang Xiaoya We conducted a security assessment of an open-source hardware wallet using side-channel analysis. This wallet’s chip is based on the ARM-Cortex-M4 core, which uses the Elliptic Curve Digital Signature Algorithm (ECDSA) for … Read more
Machine Heart Column Shenzhen Insight Wisdom Technology Co., Ltd. This article explains and organizes the concept definition and development context of the Trusted Execution Environment (TEE), analyzes the comparison between TEE and cryptographic-based privacy protection technologies, and discusses its application in federated learning, finally introducing the existing frameworks and related applications of TEE. With the … Read more
Today, let’s talk about two very important Python encryption libraries: cryptography and pycryptodome. Whether you are developing applications that require encrypted transmission, protecting user privacy, or handling cryptocurrency, both libraries can help you quickly implement encryption and decryption operations. I will guide you through how to use them to encrypt data, generate keys, and even … Read more
Hello Adventurers! Today we embark on a mysterious journey to explore the secrets of data encryption! 📝 Mission Briefing Difficulty: ⭐⭐⭐⭐ Objective: Master data encryption skills Estimated Duration: 45 minutes Initial Equipment: Python 3.x Level 1: Beginner Village – Acquiring Basic Equipment 🎯 Beginner Task: Install PyCrypto # Install basic equipment pip install pycryptodome # … Read more
Preface After the basic hardware has the capability of independent control, necessary security reinforcement in upper-level applications becomes the main task of terminal security. Among these, hardware encryption work is one of the fundamental tasks for application security reinforcement, and encryption chips are indispensable encryption hardware. In products such as U-shields, smart cards, card readers, … 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
Click the blue words to follow us Beginner: Jing Ge, I’ve been researching data security recently and heard that Python has a great library called cryptography. Can you tell me how to use it? It seems a bit complicated, and I don’t know where to start. Jing Ge: No problem! The cryptography library is indeed … Read more