-Z should be a bit faster now

This commit is contained in:
cathugger 2017-10-23 05:13:13 +00:00
parent a06d5149af
commit f7a87a1300

31
main.c
View File

@ -694,11 +694,11 @@ static void onionready(char *sname, const u8 *secret, const u8 *pubonion)
}
// little endian inc
static void addseed(u8 *seed)
static void addsk32(u8 *sk)
{
register unsigned int c = 1;
for (size_t i = 0;i < SEED_LEN;++i) {
c = (unsigned int)seed[i] + c; seed[i] = c & 0xFF; c >>= 8;
register unsigned int c = 8;
for (size_t i = 0;i < 32;++i) {
c = (unsigned int)sk[i] + c; sk[i] = c & 0xFF; c >>= 8;
// unsure if needed
if (!c) break;
}
@ -756,6 +756,7 @@ static void *dowork(void *task)
initseed:
randombytes(seed,sizeof(seed));
ed25519_seckey_expand(sk,seed);
#ifdef STATISTICS
++st->numrestart.v;
#endif
@ -764,7 +765,6 @@ again:
if (unlikely(endwork))
goto end;
ed25519_seckey_expand(sk,seed);
ed25519_pubkey(pk,sk);
#ifdef STATISTICS
@ -784,6 +784,9 @@ again:
shiftpk(wpk,wpk,filter_len(j));
}
}
// sanity check
if ((sk[0] & 248) != sk[0] || ((sk[31] & 63) | 64) != sk[31])
goto initseed;
ADDNUMSUCCESS;
@ -794,12 +797,12 @@ again:
pk[PUBLIC_LEN + 2] = 0x03;
// base32
strcpy(base32_to(&sname[direndpos],pk,PUBONION_LEN), ".onion");
onionready(sname, secret, pubonion.raw);
onionready(sname,secret,pubonion.raw);
pk[PUBLIC_LEN] = 0;
goto initseed;
});
next:
addseed(seed);
addsk32(sk);
goto again;
end:
@ -845,16 +848,16 @@ static void *dofastwork(void *task)
memcpy(secret, skprefix, skprefixlen);
wpk[PUBLIC_LEN] = 0;
memset(&pubonion,0,sizeof(pubonion));
memcpy(pubonion.raw, pkprefix, pkprefixlen);
memcpy(pubonion.raw,pkprefix,pkprefixlen);
// write version later as it will be overwritten by hash
memcpy(hashsrc, checksumstr, checksumstrlen);
memcpy(hashsrc,checksumstr,checksumstrlen);
hashsrc[checksumstrlen + PUBLIC_LEN] = 0x03; // version
sname = malloc(workdirlen + ONIONLEN + 63 + 1);
if (!sname)
abort();
if (workdir)
memcpy(sname, workdir, workdirlen);
memcpy(sname,workdir,workdirlen);
initseed:
#ifdef STATISTICS
@ -889,13 +892,7 @@ initseed:
// update secret key with counter
addsztoscalar32(sk,counter);
// sanity check
if (((sk[0] & 248) == sk[0]) && (((sk[31] & 63) | 64) == sk[31])) {
/* These operations should be a no-op. */
sk[0] &= 248;
sk[31] &= 63;
sk[31] |= 64;
}
else
if ((sk[0] & 248) != sk[0] || ((sk[31] & 63) | 64) != sk[31])
goto initseed;
ADDNUMSUCCESS;