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| author | stoffu <stoffu@protonmail.ch> | 2018-08-16 22:08:58 +0900 |
|---|---|---|
| committer | stoffu <stoffu@protonmail.ch> | 2018-08-16 22:26:30 +0900 |
| commit | 1f2409e9e2c15e1b96c2bcb3d7bfd77091b2a504 (patch) | |
| tree | ca3263416292ee39c8e1b236ac554b317c209c94 /src/multisig | |
| parent | Merge pull request #4191 (diff) | |
| download | monero-1f2409e9e2c15e1b96c2bcb3d7bfd77091b2a504.tar.xz | |
Do memwipe for critical secret keys copied to rct::key
Diffstat (limited to 'src/multisig')
| -rw-r--r-- | src/multisig/multisig.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/multisig/multisig.cpp b/src/multisig/multisig.cpp index d85c47772..a0a788b7d 100644 --- a/src/multisig/multisig.cpp +++ b/src/multisig/multisig.cpp @@ -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) |