diff options
author | Gregory Maxwell <greg@xiph.org> | 2014-04-06 00:18:52 -0700 |
---|---|---|
committer | Matt Corallo <git@bluematt.me> | 2014-08-10 18:36:06 -0700 |
commit | 1e21c17d208e310295475c0e4a46d750a5c9ba2d (patch) | |
tree | 247bec498d6cb2221a9e262cb88cfc5b2b95000f | |
parent | 36065cc529bb9be5655fcaaad2746edb7b6f4ddb (diff) | |
download | bitcoin-1e21c17d208e310295475c0e4a46d750a5c9ba2d.tar.xz |
Make CCryptoKeyStore::Unlock check all keys.
CCryptoKeyStore::Unlock has a loop to attempt decrypting each key which
only executes once, likely due to a simple mistake when the code was
originally written.
This patch fixes the behavior by making it check all keys. It also adds
a fatal assertion in the case some decrypt but some do not, since that
indicates that the wallet is in some kind of really bad state.
This may make unlocking noticeably slower on wallets with many keys.
-rw-r--r-- | src/crypter.cpp | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/crypter.cpp b/src/crypter.cpp index 4c43e3a798..2f94e08273 100644 --- a/src/crypter.cpp +++ b/src/crypter.cpp @@ -152,6 +152,8 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn) if (!SetCrypted()) return false; + bool keyPass = false; + bool keyFail = false; CryptedKeyMap::const_iterator mi = mapCryptedKeys.begin(); for (; mi != mapCryptedKeys.end(); ++mi) { @@ -159,15 +161,31 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn) const std::vector<unsigned char> &vchCryptedSecret = (*mi).second.second; CKeyingMaterial vchSecret; if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, vchPubKey.GetHash(), vchSecret)) - return false; + { + keyFail = true; + break; + } if (vchSecret.size() != 32) - return false; + { + keyFail = true; + break; + } CKey key; key.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed()); - if (key.GetPubKey() == vchPubKey) + if (key.GetPubKey() != vchPubKey) + { + keyFail = true; break; - return false; + } + keyPass = true; + } + if (keyPass && keyFail) + { + LogPrintf("The wallet is probably corrupted: Some keys decrypt but not all."); + assert(false); } + if (keyFail || !keyPass) + return false; vMasterKey = vMasterKeyIn; } NotifyStatusChanged(this); |