Understanding Core Technologies of Commercial Cryptography: Algorithms, Keys, and Protocols

Understanding Core Technologies of Commercial Cryptography: Algorithms, Keys, and Protocols

From the perspective of development and application practice, the core technologies of commercial cryptography mainly include cryptographic algorithms, keys, and cryptographic protocols among other aspects. 01Cryptographic Algorithms Cryptographic algorithms includesymmetric cryptographic algorithms, public key cryptographic algorithms, and hash algorithms. To ensure the security of commercial cryptography, the national cryptography management department has established a series … Read more

Disassembly: How Car Keys Achieve Low Power Consumption?

Disassembly: How Car Keys Achieve Low Power Consumption?

Introduction Car remote keys use practical button batteries, which can generally operate for a long time, so their power consumption is very low. How do they achieve low power consumption? Let’s disassemble a Buick Excelle to take a look. Disassembly Use a flathead screwdriver to pry open the battery cover. Unscrew two screws. Then find … Read more