基于DES加密算法的预付费空调管理系统设计

摘要

A prepaid air conditioning management system based on DES encryption algorithm is designed to deal with the problem of the poor air conditioning manageability and intelligence. This system takes AT89S52 as the main control chip and the radio frequency card data information is collected by RC522 reader, to control air conditioning to open and close automatically, and to realize the prepaid consumption management. For card safety problems,this system uses DES encryption algorithm for data, to ensure communication security of card. It's proved that this algorithm is safe and reliable,and can be widely used.%针对目前空调管理性、智能化较差的问题设计了一种基于DES加密算法的预付费空调管理系统.该系统以AT89S52为主控芯片,通过RC522读写器对射频IC卡进行数据采集,来控制空调自动开启与闭合,以实现预付费消费管理的目的.针对卡片安全性问题,系统采用DES加密算法对数据加密,确保卡片通信过程中的安全性,仿真结果表明该算法安全可靠,可被广泛应用.