phantom/mkp224o
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optimize deterministic worker

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cathugger 2019-01-19 14:10:56 +00:00
parent 5bb3d0f821
commit 9139d302fb
No known key found for this signature in database
GPG key ID: 9BADDA2DAF6F01A8
1 changed files with 7 additions and 5 deletions
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12
main.c
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@ -306,6 +306,7 @@ end:
return 0;
}
// in little-endian order, 32 bytes aka 256 bits
static void addsztoscalar32(u8 *dst,size_t v)
{
int i;
@ -424,7 +425,7 @@ static void *dofastworkdeterministic(void *task)
u8 hashsrc[checksumstrlen + PUBLIC_LEN + 1];
u8 wpk[PUBLIC_LEN + 1];
ge_p3 ge_public;
size_t counter, delta;
size_t counter,oldcounter;
size_t i;
char *sname;
#ifdef STATISTICS
@ -457,7 +458,7 @@ initseed:
ge_scalarmult_base(&ge_public,sk);
ge_p3_tobytes(pk,&ge_public);
for (delta = counter = 0;counter < DETERMINISTIC_LOOP_COUNT; counter += 8, delta += 8) {
for (counter = oldcounter = 0;counter < DETERMINISTIC_LOOP_COUNT;counter += 8) {
ge_p1p1 sum;
if (unlikely(endwork))
@ -477,9 +478,9 @@ initseed:
}
}
// found!
// update secret key with accumulated delta of this counter
addsztoscalar32(sk,delta);
delta = 0;
// update secret key with delta since last hit (if any)
addsztoscalar32(sk,counter-oldcounter);
oldcounter = counter;
// sanity check
if ((sk[0] & 248) != sk[0] || ((sk[31] & 63) | 64) != sk[31])
goto initseed;
@ -495,6 +496,7 @@ initseed:
strcpy(base32_to(&sname[direndpos],pk,PUBONION_LEN),".onion");
onionready(sname,secret,pubonion.raw);
pk[PUBLIC_LEN] = 0; // what is this for?
// TODO reseed right half of key
});
next:
ge_add(&sum, &ge_public,&ge_eightpoint);