用VHDL求rsa加密系统的密钥D（辗转相除法）-Using VHDL for rsa key encryption system D（Division algorithm）

在FPGA开发板上实现通信中PCM30/32系统的时分复用，编码，解码，串并行转换，以及同步识别(On the FPGA development board, we complete time division multiplexing, encoding, decoding, serial parallel conversion and synchronization identification of PCM30/32 system in communication.)