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Do memwipe for critical secret keys copied to rct::key

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stoffu
2018-08-16 22:08:58 +09:00
parent b780cf4db1
commit 1f2409e9e2
4 changed files with 15 additions and 3 deletions
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5
src/multisig/multisig.cpp
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@@ -47,9 +47,12 @@ namespace cryptonote
crypto::secret_key get_multisig_blinded_secret_key(const crypto::secret_key &key)
{
rct::keyV data;
data.reserve(2);
data.push_back(rct::sk2rct(key));
data.push_back(multisig_salt);
return rct::rct2sk(rct::hash_to_scalar(data));
crypto::secret_key result = rct::rct2sk(rct::hash_to_scalar(data));
memwipe(&data[0], sizeof(rct::key));
return result;
}
//-----------------------------------------------------------------
void generate_multisig_N_N(const account_keys &keys, const std::vector<crypto::public_key> &spend_keys, std::vector<crypto::secret_key> &multisig_keys, rct::key &spend_skey, rct::key &spend_pkey)