通过网卡地址生成密钥文件"Syskey.dat"，可以生成对应本机网卡的密钥文件，而且还能手动输入网卡地址串进行生成密钥，手动输入地址时不能有“:”号。-Ethernet address key file generated by " Syskey.dat" , corresponding to the local network card can generate the key file, but also manually enter the card address strings to generate a key, manually enter the address can not have " :"　number.