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Added speed benchmark for Poly1305.

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This commit is contained in:
Thomas Pornin 2016-12-24 03:19:29 +01:00
parent 32c995f23d
commit 4981173660
1 changed files with 62 additions and 0 deletions
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62
test/test_speed.c
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@ -287,6 +287,66 @@ test_speed_ghash_ctmul64(void)
test_speed_ghash_inner("GHASH (ctmul64)", &br_ghash_ctmul64);
}
static uint32_t
fake_chacha20(const void *key, const void *iv,
uint32_t cc, void *data, size_t len)
{
(void)key;
(void)iv;
(void)data;
(void)len;
return cc + (uint32_t)((len + 63) >> 6);
}
/*
* To speed-test Poly1305, we run it with a do-nothing stub instead of
* ChaCha20.
*/
static void
test_speed_poly1305_inner(char *name, br_poly1305_run pl)
{
unsigned char buf[8192], key[32], iv[12], aad[13], tag[16];
int i;
long num;
memset(key, 'K', sizeof key);
memset(iv, 'I', sizeof iv);
memset(aad, 'A', sizeof aad);
memset(buf, 'T', sizeof buf);
for (i = 0; i < 10; i ++) {
pl(key, iv, buf, sizeof buf,
aad, sizeof aad, tag, &fake_chacha20, 0);
}
num = 10;
for (;;) {
clock_t begin, end;
double tt;
long k;
begin = clock();
for (k = num; k > 0; k --) {
pl(key, iv, buf, sizeof buf,
aad, sizeof aad, tag, &fake_chacha20, 0);
}
end = clock();
tt = (double)(end - begin) / CLOCKS_PER_SEC;
if (tt >= 2.0) {
printf("%-30s %8.2f MB/s\n", name,
((double)sizeof buf) * (double)num
/ (tt * 1000000.0));
fflush(stdout);
return;
}
num <<= 1;
}
}
static void
test_speed_poly1305_ctmul(void)
{
test_speed_poly1305_inner("Poly1305 (ctmul)", &br_poly1305_ctmul_run);
}
static const unsigned char RSA_N[] = {
0xE9, 0xF2, 0x4A, 0x2F, 0x96, 0xDF, 0x0A, 0x23,
0x01, 0x85, 0xF1, 0x2C, 0xB2, 0xA8, 0xEF, 0x23,
@ -1066,6 +1126,8 @@ static const struct {
STU(ghash_ctmul32),
STU(ghash_ctmul64),
STU(poly1305_ctmul),
STU(rsa_i31),
STU(rsa_i32),
STU(ec_prime_i31),