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#define _XOPEN_SOURCE 700
#include <dirent.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include "deonebook.h"
int main(int argc, char *argv[])
{
char *keystring = NULL;
char *device = NULL;
int c;
while ((c = getopt(argc, argv, "k:d:")) != -1) {
switch (c) {
case 'k':
keystring = optarg;
break;
case 'd':
device = optarg;
break;
default:
return 1;
}
}
unsigned char *key = getkey(keystring, device);
if (key == NULL) {
return 1;
}
if (optind >= argc) {
for (int i = 0; i < KEY_SIZE; i++) {
printf("%02hhx", key[i]);
}
printf("\n");
return 0;
}
if (optind < argc - 2) {
fprintf(stderr, "too many operands\n");
return 1;
}
if (optind != argc - 2) {
fprintf(stderr, "missing output file\n");
return 1;
}
return decrypt(key, argv[optind], argv[optind + 1]);
}
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