采用MD4哈希函数的随机数生成函数，已在ARM环境下测试过。可应用于如无线数据发送时的随机避让。-Random number generator utilizing MD4 hash function of environmental noise captured as the seed and a linear congruence generator for the random numbers.

包含了ARM的几个功能试验 如触摸屏 智能仪表手持设定器 工控自动化模拟量输入输出控制 以及RS232通信 及以太网通信-ARM contains several functional tests, such as hand-held touch-screen smart meter setter Industrial Automation Analog input and output control, and RS232 communications, and Ethernet Commun

SHA-256加密算法，可计算出字符串或文件的HASH值，带测试程序。-SHA-256 encryption algorithm to calculate the value HASH string or file with the test procedures.

讲解了ELF文件动态解析符号的过程，以linux平台为例(The process of dynamic parsing of symbols in ELF files)