MD5认证部分的第二轮中包含G函数的一次操作的FPGA实现源代码，采用Verilog，在Quartus II上综合-FPGA contains one operation in the second round of the G function MD5 authentication component implementation source code, using Verilog, synthesis in Quartus II

MD5认证部分的第三轮中包含H函数的一次操作的FPGA实现源代码，采用Verilog，在Quartus II上综合-FPGA third round included H functions in one operation MD5 authentication component implementation source code, using Verilog, synthesis in Quartus II

MD5认证部分的第四轮中包含I函数的一次操作的FPGA实现源代码，采用Verilog，在Quartus II上综合-The fourth round MD5 authentication section contains FPGA one operation I Functions of the source code, using Verilog, synthesis in Quartus II

物联网WIFI芯片ESP8266用TCP Client进行云端升级，加入四字节对齐算法，MD5校验算法-Internet of Things WIFI chip ESP8266 with TCP Client for cloud upgrades, adding four-byte alignment algorithm, MD5 check algorithm