Author/Original:Wolong Association Group Member Diandian I2C Timing Stretching Issue! In hardware design, it is inevitable to deal with various interfaces, commonly used ones such as I2C, UART, SPI, and Ethernet. Each type of interface has its own requirements in design, but even the simplest things have their unique aspects. Today, we will discuss the timing … Read more
Click the “卧龙会IT技术” above to follow us Enjoy the IT world with us! Written by: Original Author: 卧龙会 点点 I2C Timing Extension Issue! In hardware design, it is inevitable to deal with various interfaces, commonly used ones such as I2C, UART, SPI, and Ethernet. Each type of interface has its own requirements in design, but … Read more
In embedded development, protecting code security is an eternal topic. Whether it’s to prevent competitors from copying or to avoid malicious tampering of products, encryption is an indispensable part. As a widely used MCU, STM32 offers a variety of encryption solutions. This article will comprehensively analyze the encryption strategies of STM32, from hardware to software, … Read more
Movie Version: Shen Gongbao breaks through the barrier set by Yuanshi Tianzun and steals the spirit pearl. Real Version: Hackers exploit system vulnerabilities to steal database keys. HSM Breakthrough: If the spirit pearl safe used a hardware encryption module, key generation, storage, and usage would all be completed within the tamper-resistant chip. Even if Shen … Read more
Click on IT Ranch above, select Pin or Star Daily delivery of technical content! Encryption algorithms can be broadly divided into: reversible and irreversible encryption. Reversible encryption can be further divided into: symmetric encryption and asymmetric encryption. 1. Irreversible Encryption Common irreversible encryption algorithms include MD5, HMAC, SHA1, SHA-224, SHA-256, SHA-384, and SHA-512. Among them, … Read more
Hello everyone! Today we are going to discuss a high-end topic: the data security issues in microcontrollers and PLC systems. This is a significant problem in reality, as data security is a critical matter in the era of the Internet of Things! What is an encryption algorithm? First, we need to clarify what an encryption … Read more
Information security public welfare publicity, information security knowledge enlightenment. Add WeChat group reply to public account: WeChat Group; QQ group: 16004488 Joining the WeChat group or QQ group can get: Learning Tutorials Cryptography is widely used in computer science, and HTTPS is a secure communication protocol built on the foundation of cryptography. HTTPS was first … Read more
As one of the important technologies for ensuring information security, asymmetric encryption plays a key role in various fields such as network communication and e-commerce. This article will take you deep into the understanding of asymmetric encryption. Public Key Cryptography In public key cryptography, the keys are divided into two types: the encryption key and … Read more
Due to the unique nature of embedded systems, there are many security threats. First, because embedded systems have limited resources, with small RAM and ROM, and limited processing speed, they cannot simultaneously implement multiple security defense measures, making them vulnerable to attacks. Second, the diverse deployment environments of embedded systems, such as industrial production environments, … Read more
Introduction The currently popular MCUs mainly fall into two categories: ARM and DSP. Among the many manufacturers of DSP, TI (Texas Instruments) is one of the important leaders in the DSP chip field. CCS is an integrated development environment (IDE) software designed for Texas Instruments (TI) processors and microcontrollers. CCS provides developers with a complete … Read more