1*f447f37aSriastradh
2*f447f37aSriastradh #define TEST_NAME "auth7"
3*f447f37aSriastradh #include "cmptest.h"
4*f447f37aSriastradh
5*f447f37aSriastradh static unsigned char key[32];
6*f447f37aSriastradh static unsigned char c[600];
7*f447f37aSriastradh static unsigned char a[64];
8*f447f37aSriastradh
9*f447f37aSriastradh int
main(void)10*f447f37aSriastradh main(void)
11*f447f37aSriastradh {
12*f447f37aSriastradh size_t clen;
13*f447f37aSriastradh
14*f447f37aSriastradh for (clen = 0; clen < sizeof c; ++clen) {
15*f447f37aSriastradh crypto_auth_keygen(key);
16*f447f37aSriastradh randombytes_buf(c, clen);
17*f447f37aSriastradh crypto_auth_hmacsha512(a, c, clen, key);
18*f447f37aSriastradh if (crypto_auth_hmacsha512_verify(a, c, clen, key) != 0) {
19*f447f37aSriastradh printf("fail %u\n", (unsigned int) clen);
20*f447f37aSriastradh return 100;
21*f447f37aSriastradh }
22*f447f37aSriastradh if (clen > 0) {
23*f447f37aSriastradh c[(size_t) rand() % clen] += 1 + (rand() % 255);
24*f447f37aSriastradh if (crypto_auth_hmacsha512_verify(a, c, clen, key) == 0) {
25*f447f37aSriastradh printf("forgery %u\n", (unsigned int) clen);
26*f447f37aSriastradh return 100;
27*f447f37aSriastradh }
28*f447f37aSriastradh a[rand() % sizeof a] += 1 + (rand() % 255);
29*f447f37aSriastradh if (crypto_auth_hmacsha512_verify(a, c, clen, key) == 0) {
30*f447f37aSriastradh printf("forgery %u\n", (unsigned int) clen);
31*f447f37aSriastradh return 100;
32*f447f37aSriastradh }
33*f447f37aSriastradh }
34*f447f37aSriastradh }
35*f447f37aSriastradh return 0;
36*f447f37aSriastradh }
37