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crypto: make secret_key automatically mlock

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moneromooo-monero 2018-07-15 14:33:48 +01:00
parent 70271fa788
commit ab74dc277a
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GPG key ID: 686F07454D6CEFC3
5 changed files with 12 additions and 10 deletions
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4
src/cryptonote_basic/account.cpp
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@ -67,7 +67,7 @@ DISABLE_VS_WARNINGS(4244 4345)
static void derive_key(const crypto::chacha_key &base_key, crypto::chacha_key &key)
{
static_assert(sizeof(base_key) == sizeof(crypto::hash), "chacha key and hash should be the same size");
tools::scrubbed_arr<char, sizeof(base_key)+1> data;
epee::mlocked<tools::scrubbed_arr<char, sizeof(base_key)+1>> data;
memcpy(data.data(), &base_key, sizeof(base_key));
data[sizeof(base_key)] = KEYS_ENCRYPTION_SALT;
crypto::generate_chacha_key(data.data(), sizeof(data), key, 1);
@ -223,7 +223,7 @@ DISABLE_VS_WARNINGS(4244 4345)
void account_base::create_from_viewkey(const cryptonote::account_public_address& address, const crypto::secret_key& viewkey)
{
crypto::secret_key fake;
memset(&unwrap(fake), 0, sizeof(fake));
memset(&unwrap(unwrap(fake)), 0, sizeof(fake));
create_from_keys(address, fake, viewkey);
}
//-----------------------------------------------------------------