void test_key_sign (esign_priv &sk)
{
uint8_t zz = 2;
strbuf y;
y << str((char*) &zz, 1) << "hello";
uint8_t yy = (uint8_t) str(y)[0];
warn << yy << "\n";
esign_pub pk = get_public_key();
bool ret;
for (int i = 0; i < 25000; i++) {
size_t len = rnd.getword () % 256;
wmstr wmsg (len);
rnd.getbytes (wmsg, len);
str msg1 = wmsg;
bigint m = sk.sign (msg1);
// test converting back and forth
std::vector<uint8_t> raw_m;
get_raw_bigint(m, &raw_m);
m = get_bigint_raw(raw_m);
ret = pk.verify (msg1, m);
if (!ret)
panic << "Verify failed\n"
<< " p = " << sk.p << "\n"
<< " q = " << sk.q << "\n"
<< "msg = " << hexdump (msg1.cstr (), msg1.len ()) << "\n"
<< "sig = " << m << "\n";
int bitno = rnd.getword () % mpz_sizeinbase2 (&m);
m.setbit (bitno, !m.getbit (bitno));
if (pk.verify (msg1, m)) {
panic << "Verify should have failed\n"
<< " p = " << sk.p << "\n"
<< " q = " << sk.q << "\n"
<< "msg = " << hexdump (msg1.cstr (), msg1.len ()) << "\n"
<< "sig = " << m << "\n";
}
}
}
void
test_key_sign (esign_priv &sk)
{
u_int64_t tmp, tmp2, tmp3;
bool ret;
for (int i = 0; i < 50; i++) {
size_t len = rnd.getword () % 256;
wmstr wmsg (len);
rnd.getbytes (wmsg, len);
str msg1 = wmsg;
tmp = get_time ();
bigint m = sk.sign (msg1);
tmp2 = get_time ();
ret = sk.verify (msg1, m);
tmp3 = get_time ();
vtime += (tmp3 - tmp2);
signtime += (tmp2 - tmp);
if (!ret)
panic << "Verify failed\n"
<< " p = " << sk.p << "\n"
<< " q = " << sk.q << "\n"
<< "msg = " << hexdump (msg1.cstr (), msg1.len ()) << "\n"
<< "sig = " << m << "\n";
int bitno = rnd.getword () % mpz_sizeinbase2 (&m);
m.setbit (bitno, !m.getbit (bitno));
if (sk.verify (msg1, m))
panic << "Verify should have failed\n"
<< " p = " << sk.p << "\n"
<< " q = " << sk.q << "\n"
<< "msg = " << hexdump (msg1.cstr (), msg1.len ()) << "\n"
<< "sig = " << m << "\n";
}
}