static int cbc_test_generic(DrewLoader *ldr, const char *name,
const struct test *testdata, size_t ntests)
{
int id, result = 0;
const drew_block_functbl_t *functbl;
drew_block_t algo;
drew_mode_t c;
const void *tmp;
uint8_t buf[128];
id = drew_loader_lookup_by_name(ldr, name, 0, -1);
if (id < 0)
return id;
drew_loader_get_functbl(ldr, id, &tmp);
functbl = tmp;
functbl->init(&algo, 0, ldr, NULL);
for (size_t i = 0; i < ntests; i++) {
memset(buf, 0, sizeof(buf));
result <<= 1;
cbc_init(&c, 0, ldr, NULL);
algo.functbl->init(&algo, 0, ldr, NULL);
algo.functbl->setkey(&algo, testdata[i].key, testdata[i].keysz,
DREW_BLOCK_MODE_ENCRYPT);
cbc_setblock(&c, &algo);
cbc_setiv(&c, testdata[i].iv, testdata[i].ivsz);
cbc_encrypt(&c, buf, testdata[i].input,
MIN(sizeof(buf), testdata[i].datasz));
result |= !!memcmp(buf, testdata[i].output, testdata[i].datasz);
cbc_fini(&c, 0);
algo.functbl->fini(&algo, 0);
cbc_init(&c, 0, ldr, NULL);
algo.functbl->init(&algo, 0, ldr, NULL);
algo.functbl->setkey(&algo, testdata[i].key, testdata[i].keysz,
DREW_BLOCK_MODE_DECRYPT);
cbc_setblock(&c, &algo);
cbc_setiv(&c, testdata[i].iv, testdata[i].ivsz);
cbc_decrypt(&c, buf, testdata[i].output,
MIN(sizeof(buf), testdata[i].datasz));
result |= !!memcmp(buf, testdata[i].input, testdata[i].datasz);
cbc_fini(&c, 0);
algo.functbl->fini(&algo, 0);
}
return result;
}
int main(int argc, char *argv[])
{
lua_State *L = cbc_init();
cbc_run(L);
return 0;
}
