diff options
| -rw-r--r-- | src/device/device.hpp | 8 | ||||
| -rw-r--r-- | src/device/device_default.cpp | 2 | ||||
| -rw-r--r-- | src/device/device_ledger.cpp | 2 | ||||
| -rw-r--r-- | src/ringct/rctSigs.cpp | 49 |
4 files changed, 49 insertions, 12 deletions
diff --git a/src/device/device.hpp b/src/device/device.hpp index cb9117650..815a0ab93 100644 --- a/src/device/device.hpp +++ b/src/device/device.hpp @@ -85,7 +85,7 @@ namespace hw { public: - device() {} + device(): mode(NONE) {} device(const device &hwdev) {} virtual ~device() {} @@ -115,7 +115,8 @@ namespace hw { virtual bool connect(void) = 0; virtual bool disconnect(void) = 0; - virtual bool set_mode(device_mode mode) = 0; + virtual bool set_mode(device_mode mode) { this->mode = mode; return true; } + virtual device_mode get_mode() const { return mode; } virtual device_type get_type() const = 0; @@ -202,6 +203,9 @@ namespace hw { virtual bool mlsag_sign(const rct::key &c, const rct::keyV &xx, const rct::keyV &alpha, const size_t rows, const size_t dsRows, rct::keyV &ss) = 0; virtual bool close_tx(void) = 0; + + protected: + device_mode mode; } ; struct reset_mode { diff --git a/src/device/device_default.cpp b/src/device/device_default.cpp index a4f40e041..68f40d91e 100644 --- a/src/device/device_default.cpp +++ b/src/device/device_default.cpp @@ -83,7 +83,7 @@ namespace hw { } bool device_default::set_mode(device_mode mode) { - return true; + return device::set_mode(mode); } /* ======================================================================= */ diff --git a/src/device/device_ledger.cpp b/src/device/device_ledger.cpp index d879ee95a..0a86e6987 100644 --- a/src/device/device_ledger.cpp +++ b/src/device/device_ledger.cpp @@ -396,7 +396,7 @@ namespace hw { CHECK_AND_ASSERT_THROW_MES(false, " device_ledger::set_mode(unsigned int mode): invalid mode: "<<mode); } MDEBUG("Switch to mode: " <<mode); - return true; + return device::set_mode(mode); } diff --git a/src/ringct/rctSigs.cpp b/src/ringct/rctSigs.cpp index 0d1789a38..181e89c45 100644 --- a/src/ringct/rctSigs.cpp +++ b/src/ringct/rctSigs.cpp @@ -44,6 +44,19 @@ using namespace std; #define CHECK_AND_ASSERT_MES_L1(expr, ret, message) {if(!(expr)) {MCERROR("verify", message); return ret;}} +namespace +{ + rct::Bulletproof make_dummy_bulletproof(size_t n_outs) + { + const rct::key I = rct::identity(); + size_t nrl = 0; + while ((1u << nrl) < n_outs) + ++nrl; + nrl += 6; + 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}; + } +} + namespace rct { Bulletproof proveRangeBulletproof(key &C, key &mask, uint64_t amount) { @@ -762,10 +775,20 @@ namespace rct { if (range_proof_type == RangeProofPaddedBulletproof) { rct::keyV C, masks; - rv.p.bulletproofs.push_back(proveRangeBulletproof(C, masks, outamounts)); - #ifdef DBG - CHECK_AND_ASSERT_THROW_MES(verBulletproof(rv.p.bulletproofs.back()), "verBulletproof failed on newly created proof"); - #endif + 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); + } + else + { + rv.p.bulletproofs.push_back(proveRangeBulletproof(C, masks, outamounts)); + #ifdef DBG + CHECK_AND_ASSERT_THROW_MES(verBulletproof(rv.p.bulletproofs.back()), "verBulletproof failed on newly created proof"); + #endif + } for (i = 0; i < outamounts.size(); ++i) { rv.outPk[i].mask = rct::scalarmult8(C[i]); @@ -782,10 +805,20 @@ namespace rct { std::vector<uint64_t> batch_amounts(batch_size); for (i = 0; i < batch_size; ++i) batch_amounts[i] = outamounts[i + amounts_proved]; - rv.p.bulletproofs.push_back(proveRangeBulletproof(C, masks, batch_amounts)); - #ifdef DBG - CHECK_AND_ASSERT_THROW_MES(verBulletproof(rv.p.bulletproofs.back()), "verBulletproof failed on newly created proof"); - #endif + 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); + } + else + { + rv.p.bulletproofs.push_back(proveRangeBulletproof(C, masks, batch_amounts)); + #ifdef DBG + CHECK_AND_ASSERT_THROW_MES(verBulletproof(rv.p.bulletproofs.back()), "verBulletproof failed on newly created proof"); + #endif + } for (i = 0; i < batch_size; ++i) { rv.outPk[i + amounts_proved].mask = rct::scalarmult8(C[i]); |