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#define _XOPEN_SOURCE 700
#include <stdio.h>
#include <unistd.h>
#include "deonebook.h"
int main(int argc, char *argv[])
{
enum { DECRYPT, GENERATE, READ } mode = DECRYPT;
int c;
while ((c = getopt(argc, argv, "RGk:")) != -1) {
switch (c) {
case 'R':
mode = READ;
break;
case 'G':
mode = GENERATE;
break;
case 'k':
/* keyfile = optarg; */
break;
default:
return 1;
}
}
if (mode != DECRYPT) {
unsigned char *key = NULL;
if (mode == READ) {
key = readkey("./.shm");
} else {
char *device = "mmcblk0";
if (optind < argc) {
device = argv[optind];
}
key = genkey(device);
}
if (key == NULL) {
return 1;
}
for (int i = 0; i < KEY_SIZE; i++) {
printf("%02hhx", key[i]);
}
printf("\n");
return 0;
}
if (optind >= argc) {
fprintf(stderr, "%s: missing operands\n", argv[0]);
return 1;
}
do {
printf("decrypting %s\n", argv[optind]);
} while (++optind < argc);
}
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