In the information age, the security of data has become increasingly important. Whether it is personal data, corporate secrets, or bank transaction records, ensuring they are not maliciously accessed or tampered with is a concern for everyone. Cryptography, as the cornerstone of data security, plays a crucial role. Today, we will explore a powerful and … Read more
With the advent of the era of artificial intelligence and the Internet of Things, data applications have become frequent. How should data security be protected? What software encryption algorithms are there, and in what areas are these algorithms applied? As you read on, you will discover the “small passwords” surrounding us. Symmetric Encryption Algorithms Symmetric … Read more
Click the blue text above “Programming Diary” to follow below National secret algorithms: These are algorithms independently developed by our country to reduce excessive reliance on foreign technology. National secret refers to the domestic cryptographic algorithms recognized by the National Cryptography Administration. The following is the specific correspondence: Symmetric algorithms: AES, DES, SM4 Asymmetric algorithms: … 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
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
Click the blue words to follow us 1. Origin As a developer focused on AI-assisted programming for ten years, I deeply understand the importance of encryption algorithms for project security. In daily development, various encryption and decryption functions are often needed, but traditional programming methods usually require referencing a lot of documentation and worrying about … Read more
This article is contributed by the ChaMd5 Security Team IOT Group. This is a summary of the theoretical knowledge learned recently about side-channel attacks and fault injection. If there are any mistakes or areas for improvement, I hope experts will correct me. First, let’s introduce several common encryption algorithms. Encryption Algorithms RSA Encryption Algorithm RSA … Read more
Is there an inherent connection between passive side-channel analysis and active fault injection? Author | Shuyuan Editor | Pan Qizhi Background Introduction Side-channel analysis of cryptographic algorithms refers to the process of inferring intermediate values of cryptographic operations by collecting and analyzing the physical information leaked by cryptographic chips during computation, thereby recovering the keys. … Read more
Click the above to follow us! Java Encryption and Decryption: Implementation of Encryption Algorithms Want to learn some knowledge about encryption and decryption? Today, let’s talk about encryption and decryption in Java. To be honest, it sounds quite advanced, but it’s not that difficult. Follow my steps, and I guarantee you can master it easily. … Read more