You're probably familiar with serial data transmission and reception, which are the commonly used RS-232 and RS-485 interfaces. But when it comes to serial data encryption and decryption, you'll definitely shake your head without hesitation and say: Never heard of it!
Don't worry, today Litian Shiji will introduce you to a " magic weapon " that can encrypt and decrypt serial data— the Litian Shiji® brand data security connector. Calling it a " magic weapon " is no exaggeration, because it has two main strengths: protocol conversion and secure encryption. As a basic function, protocol conversion is just like the USB to serial port device (cable) you buy , realizing mutual conversion between USB and serial communication interfaces ( RS-232/485 ); while secure encryption, as an enhanced function of this product, can encrypt and decrypt data flowing through the serial port in real time online.
Is this true?!
Yes, you read that right. From now on, you no longer need to worry about the security of your serial port data.
In addition to symmetric encryption and decryption — that is, encryption and decryption using the same key—Litian Shiji brand data security connectors also support asymmetric encryption and decryption, as well as advanced security encryption functions such as signature verification, calculation, and checksum.
Having explained all that, how does a complete beginner get started with encryption applications? Don't worry, the data security connector is very easy to install and use. Simply connect its uplink interface to the host's USB port, and connect the downlink interface ( RS-232/485 ) to your serial device. The protocol conversion function will automatically activate. For security encryption, just follow the simple instructions in the user manual provided by Litian Shiji!
By the way, you're probably wondering how to decrypt my data? Litian Technology provides point-to-point data encryption and decryption solutions. You can install hardware encryption devices (boards or USB keys , etc.) on the server or computer that needs decryption, or you can write your own software to decrypt it. Isn't that convenient?
The above seems to focus on encrypting serial port input data. But what about serial port output and decryption? The operation is just as simple. You only need to follow the steps in the connector user manual to configure it for downlink decryption, and then encrypt the data to be sent from the serial port on the host side using hardware or software. The connector will decrypt your ciphertext into (original) plaintext and send it from the serial port (RS-232/485).
By now, you should understand how to encrypt and decrypt serial data. If you still have questions, please contact Litian Technology via their WeChat official account or website for more in-depth answers.
