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Merge pull request #4670

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a35b55b Dont run full check every time we decrypt wallet. (Matt Corallo)
1e21c17 Make CCryptoKeyStore::Unlock check all keys. (Gregory Maxwell)
This commit is contained in:
Wladimir J. van der Laan 2014-08-19 12:23:28 +02:00
commit dd2819701a
No known key found for this signature in database
GPG Key ID: 74810B012346C9A6
2 changed files with 29 additions and 5 deletions
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29
src/crypter.cpp
View File

@ -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)
{
@ -159,16 +161,35 @@ 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;
}
keyPass = true;
if (fDecryptionThoroughlyChecked)
break;
return false;
}
if (keyPass && keyFail)
{
LogPrintf("The wallet is probably corrupted: Some keys decrypt but not all.");
assert(false);
}
if (keyFail || !keyPass)
return false;
vMasterKey = vMasterKeyIn;
fDecryptionThoroughlyChecked = true;
}
NotifyStatusChanged(this);
return true;

5
src/crypter.h
View File

@ -121,6 +121,9 @@ private:
// if fUseCrypto is false, vMasterKey must be empty
bool fUseCrypto;
// keeps track of whether Unlock has run a thourough check before
bool fDecryptionThoroughlyChecked;
protected:
bool SetCrypted();
@ -130,7 +133,7 @@ protected:
bool Unlock(const CKeyingMaterial& vMasterKeyIn);
public:
CCryptoKeyStore() : fUseCrypto(false)
CCryptoKeyStore() : fUseCrypto(false), fDecryptionThoroughlyChecked(false)
{
}