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| author | Crypto City <cryptocity@example.com> | 2020-11-14 03:27:45 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2020-11-24 16:24:03 +0000 |
| commit | efca5b8af903b98d80285a284e4024c90db929e2 (patch) | |
| tree | 0a421a8c6db2cce9c6c7ebc7e3e24132873e710d | |
| parent | Merge pull request #7011 (diff) | |
| download | monero-efca5b8af903b98d80285a284e4024c90db929e2.tar.xz | |
wallet2: check imported multisig curve points are in main subgroup
| -rw-r--r-- | src/wallet/wallet2.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 7cbb4a910..65411e392 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -13381,6 +13381,20 @@ size_t wallet2::import_multisig(std::vector<cryptonote::blobdata> blobs) loaded = true; } CHECK_AND_ASSERT_THROW_MES(loaded, "Failed to load output data"); + + for (const auto &e: i) + { + for (const auto &lr: e.m_LR) + { + CHECK_AND_ASSERT_THROW_MES(rct::isInMainSubgroup(lr.m_L), "Multisig value is not in the main subgroup"); + CHECK_AND_ASSERT_THROW_MES(rct::isInMainSubgroup(lr.m_R), "Multisig value is not in the main subgroup"); + } + for (const auto &ki: e.m_partial_key_images) + { + CHECK_AND_ASSERT_THROW_MES(rct::isInMainSubgroup(rct::ki2rct(ki)), "Multisig partial key image is not in the main subgroup"); + } + } + MINFO(boost::format("%u outputs found") % boost::lexical_cast<std::string>(i.size())); info.push_back(std::move(i)); } |