xref: /netbsd-src/sys/external/isc/libsodium/dist/test/default/onetimeauth7.c (revision f447f37a0a0b7f2a0e879f17bef92d4992e27500)
1*f447f37aSriastradh 
2*f447f37aSriastradh #define TEST_NAME "onetimeauth7"
3*f447f37aSriastradh #include "cmptest.h"
4*f447f37aSriastradh 
5*f447f37aSriastradh static unsigned char key[32];
6*f447f37aSriastradh static unsigned char c[1000];
7*f447f37aSriastradh static unsigned char a[16];
8*f447f37aSriastradh 
9*f447f37aSriastradh int
main(void)10*f447f37aSriastradh main(void)
11*f447f37aSriastradh {
12*f447f37aSriastradh     int clen;
13*f447f37aSriastradh 
14*f447f37aSriastradh     for (clen = 0; clen < 1000; ++clen) {
15*f447f37aSriastradh         crypto_onetimeauth_keygen(key);
16*f447f37aSriastradh         randombytes_buf(c, clen);
17*f447f37aSriastradh         crypto_onetimeauth(a, c, clen, key);
18*f447f37aSriastradh         if (crypto_onetimeauth_verify(a, c, clen, key) != 0) {
19*f447f37aSriastradh             printf("fail %d\n", clen);
20*f447f37aSriastradh             return 100;
21*f447f37aSriastradh         }
22*f447f37aSriastradh         if (clen > 0) {
23*f447f37aSriastradh             c[rand() % clen] += 1 + (rand() % 255);
24*f447f37aSriastradh             if (crypto_onetimeauth_verify(a, c, clen, key) == 0) {
25*f447f37aSriastradh                 printf("forgery %d\n", clen);
26*f447f37aSriastradh                 return 100;
27*f447f37aSriastradh             }
28*f447f37aSriastradh             a[rand() % sizeof a] += 1 + (rand() % 255);
29*f447f37aSriastradh             if (crypto_onetimeauth_verify(a, c, clen, key) == 0) {
30*f447f37aSriastradh                 printf("forgery %d\n", clen);
31*f447f37aSriastradh                 return 100;
32*f447f37aSriastradh             }
33*f447f37aSriastradh         }
34*f447f37aSriastradh     }
35*f447f37aSriastradh     return 0;
36*f447f37aSriastradh }
37