This project is used to communicate or transmit a text message from one place to another place through wireless. The text message is encrypted by using the Microcontroller and the encrypted message was transmitted through wireless. At the receiver en

This part of revision 4423 of the EK-This example shows how to use pre-expanded keys to encrypt some plaintext, and then decrypt it back to the original message. Using pre-expanded keys avoids the need to perform the expansion at run-time. This e

PLC SIEMENS password UNLOCK

程序加密保护实验：本实验通过串口进行输出芯片ID号及解密成功或者失败。-Application encryption protection experiment: the experiment through the serial port output chip ID and decrypt the success or failure.