How to work electronic key on the ATtiny2313 & iButton

iButton
.......\1111.pnproj
.......\home2.c
.......\home2.d
.......\home2.eep
.......\home2.elf
.......\home2.hex
.......\home2.lss
.......\home2.lst
.......\home2.map
.......\home2.o
.......\home2.sym
.......\home2_elf.aps
.......\Makefile
.......\uart.h

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