d0s3t3ch/wownero
1
0
Fork 0
mirror of https://git.wownero.com/wownero/wownero.git synced 2024-08-15 01:03:23 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #4921

Browse source 
ac665418 ringct: fix dummy bulletproofs on ledger in fake mode (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2018-12-12 11:59:55 +02:00
commit e9aa886d9e
No known key found for this signature in database
GPG key ID: 55432DF31CCD4FCD
1 changed files with 24 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
src/ringct/rctSigs.cpp
View file

@ -46,13 +46,34 @@ using namespace std;
namespace
{
rct::Bulletproof make_dummy_bulletproof(size_t n_outs)
rct::Bulletproof make_dummy_bulletproof(const std::vector<uint64_t> &outamounts, rct::keyV &C, rct::keyV &masks)
{
const size_t n_outs = outamounts.size();
const rct::key I = rct::identity();
size_t nrl = 0;
while ((1u << nrl) < n_outs)
++nrl;
nrl += 6;
C.resize(n_outs);
masks.resize(n_outs);
for (size_t i = 0; i < n_outs; ++i)
{
masks[i] = I;
rct::key sv8, sv;
sv = rct::zero();
sv.bytes[0] = outamounts[i] & 255;
sv.bytes[1] = (outamounts[i] >> 8) & 255;
sv.bytes[2] = (outamounts[i] >> 16) & 255;
sv.bytes[3] = (outamounts[i] >> 24) & 255;
sv.bytes[4] = (outamounts[i] >> 32) & 255;
sv.bytes[5] = (outamounts[i] >> 40) & 255;
sv.bytes[6] = (outamounts[i] >> 48) & 255;
sv.bytes[7] = (outamounts[i] >> 56) & 255;
sc_mul(sv8.bytes, sv.bytes, rct::INV_EIGHT.bytes);
rct::addKeys2(C[i], rct::INV_EIGHT, sv8, rct::H);
}
return rct::Bulletproof{rct::keyV(n_outs, I), I, I, I, I, I, I, rct::keyV(nrl, I), rct::keyV(nrl, I), I, I, I};
}
}
@ -769,9 +790,7 @@ namespace rct {
if (hwdev.get_mode() == hw::device::TRANSACTION_CREATE_FAKE)
{
// use a fake bulletproof for speed
rv.p.bulletproofs.push_back(make_dummy_bulletproof(outamounts.size()));
C = rct::keyV(outamounts.size(), I);
masks = rct::keyV(outamounts.size(), I);
rv.p.bulletproofs.push_back(make_dummy_bulletproof(outamounts, C, masks));
}
else
{
@ -799,9 +818,7 @@ namespace rct {
if (hwdev.get_mode() == hw::device::TRANSACTION_CREATE_FAKE)
{
// use a fake bulletproof for speed
rv.p.bulletproofs.push_back(make_dummy_bulletproof(batch_amounts.size()));
C = rct::keyV(batch_amounts.size(), I);
masks = rct::keyV(batch_amounts.size(), I);
rv.p.bulletproofs.push_back(make_dummy_bulletproof(batch_amounts, C, masks));
}
else
{