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

* Corrected KeeLoq Encryption and Decryption functions by Ruptor. * Use at your own risk! This source is not copyrighted. * Encoder encrypts an all-0 block, decoder decrypts it. * KeeLoq cipher encrypts 32-bit blocks with 64-bit keys. * K

基于AT89S51单片机的红外遥控密码锁；单片机；密码锁；红外；报警；AT24C02-AT89S51 microcontroller based infrared remote control locks ；SCM Cipher lock Infrared Alarm AT24C02

Reference code for the light weight cipher puffin