Do not forget to submit your $.$c code to gradescope. A Makefile is provided. Exercise $1.(100$ points$)$ Breaking the code In a hacking competition, our team breaks into the adversary$$s computer and finds the following files. $ ls encrypt.c encrypted$-$message$2$ encrypted$-$message$4$ encrypted$-$message$6$ encrypted$-$message$1$ encrypted$-$message$3$ encrypted$-$message$5$ encrypted$-$message$7$ We cannot see the content of the seven encrypted files but we are able to see the content of file encrypt.c$.$ #include #include #include #include #include #include #define MAX $10240//$encrypt the message and write the result to file fd void encrypt$($char $*$message$,$ unsigned char key, unsigned char shift, int fd$)$