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ringct: the commitment mask is now deterministic

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saves space in the tx and is safe

Found by knaccc
This commit is contained in:
moneromooo-monero 2019-01-08 16:05:18 +00:00
parent 99d946e619
commit 7d37598158
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
7 changed files with 55 additions and 63 deletions
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5
src/cryptonote_basic/cryptonote_boost_serialization.h
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@ -249,15 +249,18 @@ namespace boost
template <class Archive>
inline void serialize(Archive &a, rct::ecdhTuple &x, const boost::serialization::version_type ver)
{
a & x.mask;
if (ver < 1)
{
a & x.mask;
a & x.amount;
return;
}
crypto::hash8 &amount = (crypto::hash8&)x.amount;
if (!Archive::is_saving::value)
{
memset(&x.mask, 0, sizeof(x.mask));
memset(&x.amount, 0, sizeof(x.amount));
}
a & amount;
// a & x.senderPk; // not serialized, as we do not use it in monero currently
}