diff options
Diffstat (limited to 'src/ringct')
-rw-r--r-- | src/ringct/rctSigs.cpp | 32 | ||||
-rw-r--r-- | src/ringct/rctSigs.h | 8 | ||||
-rw-r--r-- | src/ringct/rctTypes.cpp | 2 | ||||
-rw-r--r-- | src/ringct/rctTypes.h | 21 |
4 files changed, 36 insertions, 27 deletions
diff --git a/src/ringct/rctSigs.cpp b/src/ringct/rctSigs.cpp index c5c6db3c1..298afd0d9 100644 --- a/src/ringct/rctSigs.cpp +++ b/src/ringct/rctSigs.cpp @@ -416,7 +416,7 @@ namespace rct { hashes.push_back(hash2rct(h)); keyV kv; - if (rv.type == RCTTypeBulletproof) + if (rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2) { kv.reserve((6*2+9) * rv.p.bulletproofs.size()); for (const auto &p: rv.p.bulletproofs) @@ -686,7 +686,7 @@ namespace rct { // must know the destination private key to find the correct amount, else will return a random number // Note: For txn fees, the last index in the amounts vector should contain that // Thus the amounts vector will be "one" longer than the destinations vectort - rctSig genRct(const key &message, const ctkeyV & inSk, const keyV & destinations, const vector<xmr_amount> & amounts, const ctkeyM &mixRing, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, unsigned int index, ctkeyV &outSk, hw::device &hwdev) { + rctSig genRct(const key &message, const ctkeyV & inSk, const keyV & destinations, const vector<xmr_amount> & amounts, const ctkeyM &mixRing, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, unsigned int index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev) { CHECK_AND_ASSERT_THROW_MES(amounts.size() == destinations.size() || amounts.size() == destinations.size() + 1, "Different number of amounts/destinations"); CHECK_AND_ASSERT_THROW_MES(amount_keys.size() == destinations.size(), "Different number of amount_keys/destinations"); CHECK_AND_ASSERT_THROW_MES(index < mixRing.size(), "Bad index into mixRing"); @@ -737,18 +737,18 @@ namespace rct { return rv; } - rctSig genRct(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const vector<xmr_amount> & amounts, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, const int mixin, hw::device &hwdev) { + rctSig genRct(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const vector<xmr_amount> & amounts, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, const int mixin, const RCTConfig &rct_config, hw::device &hwdev) { unsigned int index; ctkeyM mixRing; ctkeyV outSk; tie(mixRing, index) = populateFromBlockchain(inPk, mixin); - return genRct(message, inSk, destinations, amounts, mixRing, amount_keys, kLRki, msout, index, outSk, hwdev); + return genRct(message, inSk, destinations, amounts, mixRing, amount_keys, kLRki, msout, index, outSk, rct_config, hwdev); } //RCT simple //for post-rct only - rctSig genRctSimple(const key &message, const ctkeyV & inSk, const keyV & destinations, const vector<xmr_amount> &inamounts, const vector<xmr_amount> &outamounts, xmr_amount txnFee, const ctkeyM & mixRing, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, const std::vector<unsigned int> & index, ctkeyV &outSk, RangeProofType range_proof_type, hw::device &hwdev) { - const bool bulletproof = range_proof_type != RangeProofBorromean; + rctSig genRctSimple(const key &message, const ctkeyV & inSk, const keyV & destinations, const vector<xmr_amount> &inamounts, const vector<xmr_amount> &outamounts, xmr_amount txnFee, const ctkeyM & mixRing, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, const std::vector<unsigned int> & index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev) { + const bool bulletproof = rct_config.range_proof_type != RangeProofBorromean; CHECK_AND_ASSERT_THROW_MES(inamounts.size() > 0, "Empty inamounts"); CHECK_AND_ASSERT_THROW_MES(inamounts.size() == inSk.size(), "Different number of inamounts/inSk"); CHECK_AND_ASSERT_THROW_MES(outamounts.size() == destinations.size(), "Different number of amounts/destinations"); @@ -764,7 +764,7 @@ namespace rct { } rctSig rv; - rv.type = bulletproof ? RCTTypeBulletproof : RCTTypeSimple; + rv.type = bulletproof ? (rct_config.bp_version == 0 || rct_config.bp_version >= 2 ? RCTTypeBulletproof2 : RCTTypeBulletproof) : RCTTypeSimple; rv.message = message; rv.outPk.resize(destinations.size()); if (!bulletproof) @@ -793,7 +793,7 @@ namespace rct { std::vector<uint64_t> proof_amounts; size_t n_amounts = outamounts.size(); size_t amounts_proved = 0; - if (range_proof_type == RangeProofPaddedBulletproof) + if (rct_config.range_proof_type == RangeProofPaddedBulletproof) { rct::keyV C, masks; if (hwdev.get_mode() == hw::device::TRANSACTION_CREATE_FAKE) @@ -817,7 +817,7 @@ namespace rct { else while (amounts_proved < n_amounts) { size_t batch_size = 1; - if (range_proof_type == RangeProofMultiOutputBulletproof) + if (rct_config.range_proof_type == RangeProofMultiOutputBulletproof) while (batch_size * 2 + amounts_proved <= n_amounts && batch_size * 2 <= BULLETPROOF_MAX_OUTPUTS) batch_size *= 2; rct::keyV C, masks; @@ -884,7 +884,7 @@ namespace rct { return rv; } - rctSig genRctSimple(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const vector<xmr_amount> &inamounts, const vector<xmr_amount> &outamounts, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, xmr_amount txnFee, unsigned int mixin, hw::device &hwdev) { + rctSig genRctSimple(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const vector<xmr_amount> &inamounts, const vector<xmr_amount> &outamounts, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, xmr_amount txnFee, unsigned int mixin, const RCTConfig &rct_config, hw::device &hwdev) { std::vector<unsigned int> index; index.resize(inPk.size()); ctkeyM mixRing; @@ -894,7 +894,7 @@ namespace rct { mixRing[i].resize(mixin+1); index[i] = populateFromBlockchainSimple(mixRing[i], inPk[i], mixin); } - return genRctSimple(message, inSk, destinations, inamounts, outamounts, txnFee, mixRing, amount_keys, kLRki, msout, index, outSk, RangeProofBorromean, hwdev); + return genRctSimple(message, inSk, destinations, inamounts, outamounts, txnFee, mixRing, amount_keys, kLRki, msout, index, outSk, rct_config, hwdev); } //RingCT protocol @@ -984,7 +984,8 @@ namespace rct { { CHECK_AND_ASSERT_MES(rvp, false, "rctSig pointer is NULL"); const rctSig &rv = *rvp; - CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof, false, "verRctSemanticsSimple called on non simple rctSig"); + CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2, + false, "verRctSemanticsSimple called on non simple rctSig"); const bool bulletproof = is_rct_bulletproof(rv.type); if (bulletproof) { @@ -1083,7 +1084,8 @@ namespace rct { { PERF_TIMER(verRctNonSemanticsSimple); - CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof, false, "verRctNonSemanticsSimple called on non simple rctSig"); + CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2, + false, "verRctNonSemanticsSimple called on non simple rctSig"); const bool bulletproof = is_rct_bulletproof(rv.type); // semantics check is early, and mixRing/MGs aren't resolved yet if (bulletproof) @@ -1173,7 +1175,7 @@ namespace rct { } xmr_amount decodeRctSimple(const rctSig & rv, const key & sk, unsigned int i, key &mask, hw::device &hwdev) { - CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof, false, "decodeRct called on non simple rctSig"); + CHECK_AND_ASSERT_MES(rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2, false, "decodeRct called on non simple rctSig"); CHECK_AND_ASSERT_THROW_MES(i < rv.ecdhInfo.size(), "Bad index"); CHECK_AND_ASSERT_THROW_MES(rv.outPk.size() == rv.ecdhInfo.size(), "Mismatched sizes of rv.outPk and rv.ecdhInfo"); @@ -1203,7 +1205,7 @@ namespace rct { } bool signMultisig(rctSig &rv, const std::vector<unsigned int> &indices, const keyV &k, const multisig_out &msout, const key &secret_key) { - CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof, + CHECK_AND_ASSERT_MES(rv.type == RCTTypeFull || rv.type == RCTTypeSimple || rv.type == RCTTypeBulletproof || rv.type == RCTTypeBulletproof2, false, "unsupported rct type"); CHECK_AND_ASSERT_MES(indices.size() == k.size(), false, "Mismatched k/indices sizes"); CHECK_AND_ASSERT_MES(k.size() == rv.p.MGs.size(), false, "Mismatched k/MGs size"); diff --git a/src/ringct/rctSigs.h b/src/ringct/rctSigs.h index 459edc600..9227eab1e 100644 --- a/src/ringct/rctSigs.h +++ b/src/ringct/rctSigs.h @@ -119,10 +119,10 @@ namespace rct { //decodeRct: (c.f. https://eprint.iacr.org/2015/1098 section 5.1.1) // uses the attached ecdh info to find the amounts represented by each output commitment // must know the destination private key to find the correct amount, else will return a random number - rctSig genRct(const key &message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & amounts, const ctkeyM &mixRing, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, unsigned int index, ctkeyV &outSk, hw::device &hwdev); - rctSig genRct(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const std::vector<xmr_amount> & amounts, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, const int mixin, hw::device &hwdev); - rctSig genRctSimple(const key & message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, xmr_amount txnFee, unsigned int mixin, hw::device &hwdev); - rctSig genRctSimple(const key & message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, xmr_amount txnFee, const ctkeyM & mixRing, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, const std::vector<unsigned int> & index, ctkeyV &outSk, RangeProofType range_proof_type, hw::device &hwdev); + rctSig genRct(const key &message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & amounts, const ctkeyM &mixRing, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, unsigned int index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev); + rctSig genRct(const key &message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const std::vector<xmr_amount> & amounts, const keyV &amount_keys, const multisig_kLRki *kLRki, multisig_out *msout, const int mixin, const RCTConfig &rct_config, hw::device &hwdev); + rctSig genRctSimple(const key & message, const ctkeyV & inSk, const ctkeyV & inPk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, xmr_amount txnFee, unsigned int mixin, const RCTConfig &rct_config, hw::device &hwdev); + rctSig genRctSimple(const key & message, const ctkeyV & inSk, const keyV & destinations, const std::vector<xmr_amount> & inamounts, const std::vector<xmr_amount> & outamounts, xmr_amount txnFee, const ctkeyM & mixRing, const keyV &amount_keys, const std::vector<multisig_kLRki> *kLRki, multisig_out *msout, const std::vector<unsigned int> & index, ctkeyV &outSk, const RCTConfig &rct_config, hw::device &hwdev); bool verRct(const rctSig & rv, bool semantics); static inline bool verRct(const rctSig & rv) { return verRct(rv, true) && verRct(rv, false); } bool verRctSemanticsSimple(const rctSig & rv); diff --git a/src/ringct/rctTypes.cpp b/src/ringct/rctTypes.cpp index 90ed65df0..f01e683cb 100644 --- a/src/ringct/rctTypes.cpp +++ b/src/ringct/rctTypes.cpp @@ -217,6 +217,7 @@ namespace rct { { case RCTTypeSimple: case RCTTypeBulletproof: + case RCTTypeBulletproof2: return true; default: return false; @@ -228,6 +229,7 @@ namespace rct { switch (type) { case RCTTypeBulletproof: + case RCTTypeBulletproof2: return true; default: return false; diff --git a/src/ringct/rctTypes.h b/src/ringct/rctTypes.h index 487ea6f32..2b302501b 100644 --- a/src/ringct/rctTypes.h +++ b/src/ringct/rctTypes.h @@ -231,8 +231,13 @@ namespace rct { RCTTypeFull = 1, RCTTypeSimple = 2, RCTTypeBulletproof = 3, + RCTTypeBulletproof2 = 4, }; enum RangeProofType { RangeProofBorromean, RangeProofBulletproof, RangeProofMultiOutputBulletproof, RangeProofPaddedBulletproof }; + struct RCTConfig { + RangeProofType range_proof_type; + int bp_version; + }; struct rctSigBase { uint8_t type; key message; @@ -249,7 +254,7 @@ namespace rct { FIELD(type) if (type == RCTTypeNull) return true; - if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof) + if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof && type != RCTTypeBulletproof2) return false; VARINT_FIELD(txnFee) // inputs/outputs not saved, only here for serialization help @@ -310,9 +315,9 @@ namespace rct { { if (type == RCTTypeNull) return true; - if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof) + if (type != RCTTypeFull && type != RCTTypeSimple && type != RCTTypeBulletproof && type != RCTTypeBulletproof2) return false; - if (type == RCTTypeBulletproof) + if (type == RCTTypeBulletproof || type == RCTTypeBulletproof2) { uint32_t nbp = bulletproofs.size(); FIELD(nbp) @@ -351,7 +356,7 @@ namespace rct { ar.begin_array(); // we keep a byte for size of MGs, because we don't know whether this is // a simple or full rct signature, and it's starting to annoy the hell out of me - size_t mg_elements = (type == RCTTypeSimple || type == RCTTypeBulletproof) ? inputs : 1; + size_t mg_elements = (type == RCTTypeSimple || type == RCTTypeBulletproof || type == RCTTypeBulletproof2) ? inputs : 1; PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_elements, MGs); if (MGs.size() != mg_elements) return false; @@ -369,7 +374,7 @@ namespace rct { for (size_t j = 0; j < mixin + 1; ++j) { ar.begin_array(); - size_t mg_ss2_elements = ((type == RCTTypeSimple || type == RCTTypeBulletproof) ? 1 : inputs) + 1; + size_t mg_ss2_elements = ((type == RCTTypeSimple || type == RCTTypeBulletproof || type == RCTTypeBulletproof2) ? 1 : inputs) + 1; PREPARE_CUSTOM_VECTOR_SERIALIZATION(mg_ss2_elements, MGs[i].ss[j]); if (MGs[i].ss[j].size() != mg_ss2_elements) return false; @@ -395,7 +400,7 @@ namespace rct { ar.delimit_array(); } ar.end_array(); - if (type == RCTTypeBulletproof) + if (type == RCTTypeBulletproof || type == RCTTypeBulletproof2) { ar.tag("pseudoOuts"); ar.begin_array(); @@ -419,12 +424,12 @@ namespace rct { keyV& get_pseudo_outs() { - return type == RCTTypeBulletproof ? p.pseudoOuts : pseudoOuts; + return type == RCTTypeBulletproof || type == RCTTypeBulletproof2 ? p.pseudoOuts : pseudoOuts; } keyV const& get_pseudo_outs() const { - return type == RCTTypeBulletproof ? p.pseudoOuts : pseudoOuts; + return type == RCTTypeBulletproof || type == RCTTypeBulletproof2 ? p.pseudoOuts : pseudoOuts; } }; |