#include "windows/windows-quirks.h" #define TEST_NAME "auth5" #include "cmptest.h" unsigned char key[32]; unsigned char c[10000]; unsigned char a[32]; int main(void) { size_t clen; for (clen = 0; clen < 10000; ++clen) { randombytes_buf(key, sizeof key); randombytes_buf(c, clen); crypto_auth(a, c, clen, key); if (crypto_auth_verify(a, c, clen, key) != 0) { printf("fail %u\n", (unsigned int) clen); return 100; } if (clen > 0) { c[rand() % clen] += 1 + (rand() % 255); if (crypto_auth_verify(a, c, clen, key) == 0) { printf("forgery %u\n", (unsigned int) clen); return 100; } a[rand() % sizeof a] += 1 + (rand() % 255); if (crypto_auth_verify(a, c, clen, key) == 0) { printf("forgery %u\n", (unsigned int) clen); return 100; } } } return 0; }