在本文中对混沌Iogistic映射加密算法在嵌入式Linux系统下用c语言实现,而且给出了一种基于ARM内核的实现。实现薄膜键盘的驱动和显示驱动。对于手持设备提供了一种混沌加密的功能,该算法具有恢复精度高,保密度高,破译难度大,执行速度快的特点。 In this paper, chaos Iogistic mapping encryption algorithm in embedded Linux system using C language, but also gives an implementation based on ARM kernel. Film keypad drive and display drive. For handheld devices provides a chaotic encryption function, the algorithm has high recovery accuracy, high security, difficult to decipher, fast execution speed.