1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#include <stdio.h>
#include <sys/types.h>
#include <string.h>
#include "aes.h"
#include "aes_xcbc_mac.h"
#define STR "Hola guasssso c|mo estais ...012"
void print_hash(const __u8 *hash) {
printf("%08x %08x %08x %08x\n",
*(__u32*)(&hash[0]),
*(__u32*)(&hash[4]),
*(__u32*)(&hash[8]),
*(__u32*)(&hash[12]));
}
int main(int argc, char *argv[]) {
aes_block key= { 0xdeadbeef, 0xceedcaca, 0xcafebabe, 0xff010204 };
__u8 hash[16];
char *str = argv[1];
aes_context_mac ctx;
if (str==NULL) {
fprintf(stderr, "pasame el str\n");
return 255;
}
AES_xcbc_mac_set_key(&ctx, (__u8 *)&key, sizeof(key));
AES_xcbc_mac_hash(&ctx, str, strlen(str), hash);
print_hash(hash);
str[2]='x';
AES_xcbc_mac_hash(&ctx, str, strlen(str), hash);
print_hash(hash);
return 0;
}
|