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wallet2: check key image validity domain in import_key_images

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moneromooo-monero 2017-02-21 13:57:10 +00:00
parent 694470fae7
commit a374a522df
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1 changed files with 4 additions and 0 deletions
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src/wallet/wallet2.cpp
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@ -5274,6 +5274,10 @@ uint64_t wallet2::import_key_images(const std::vector<std::pair<crypto::key_imag
std::vector<const crypto::public_key*> pkeys; std::vector<const crypto::public_key*> pkeys;
pkeys.push_back(&pkey); pkeys.push_back(&pkey);
THROW_WALLET_EXCEPTION_IF(!(rct::scalarmultKey(rct::ki2rct(key_image), rct::curveOrder()) == rct::identity()),
error::wallet_internal_error, "Key image out of validity domain: input " + boost::lexical_cast<std::string>(n) + "/"
+ boost::lexical_cast<std::string>(signed_key_images.size()) + ", key image " + epee::string_tools::pod_to_hex(key_image));
THROW_WALLET_EXCEPTION_IF(!crypto::check_ring_signature((const crypto::hash&)key_image, key_image, pkeys, &signature), THROW_WALLET_EXCEPTION_IF(!crypto::check_ring_signature((const crypto::hash&)key_image, key_image, pkeys, &signature),
error::wallet_internal_error, "Signature check failed: input " + boost::lexical_cast<std::string>(n) + "/" error::wallet_internal_error, "Signature check failed: input " + boost::lexical_cast<std::string>(n) + "/"
+ boost::lexical_cast<std::string>(signed_key_images.size()) + ", key image " + epee::string_tools::pod_to_hex(key_image) + boost::lexical_cast<std::string>(signed_key_images.size()) + ", key image " + epee::string_tools::pod_to_hex(key_image)