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add decryption

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This commit is contained in:
dubslow 2014-10-12 05:24:57 -05:00
parent 63bb51a089
commit 71e42cf6c8
2 changed files with 53 additions and 7 deletions
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58
src/core.cpp
View File

@ -1071,14 +1071,25 @@ bool Core::loadConfiguration()
}
else if (error == 1) // Encrypted data save
{
qWarning() << "Core: Can not open encrypted tox save";
if (QMessageBox::Ok != QMessageBox::warning(nullptr, tr("Encrypted profile"),
tr("Your tox profile seems to be encrypted, qTox can't open it\nDo you want to erase this profile ?"),
QMessageBox::Ok | QMessageBox::Cancel))
if (!pwhash)
{
qWarning() << "Core: Couldn't open encrypted save, giving up";
configurationFile.close();
return false;
qWarning() << "Core: Can not open encrypted tox save";
if (QMessageBox::Ok != QMessageBox::warning(nullptr, tr("Encrypted profile"),
tr("Your tox profile seems to be encrypted, qTox can't open it\nDo you want to erase this profile ?"),
QMessageBox::Ok | QMessageBox::Cancel))
{
qWarning() << "Core: Couldn't open encrypted save, giving up";
configurationFile.close();
return false;
}
}
else
{ /*
while (error != 0)
{
error = tox_encrypted_load(tox, reinterpret_cast<uint8_t *>(data.data()), data.size(), pwhash, TOX_HASH_LENGTH);
// something something QInputDialog new password
} */
}
}
}
@ -1467,6 +1478,20 @@ QByteArray Core::encryptData(const QByteArray& data)
return QByteArray(reinterpret_cast<char*>(encrypted), data.size() + tox_pass_encryption_extra_length());
}
QByteArray Core::decryptData(const QByteArray& data)
{
if (!pwhash)
return QByteArray();
int sz = data.size() - tox_pass_encryption_extra_length();
uint8_t decrypted[sz];
if (tox_pass_decrypt(reinterpret_cast<const uint8_t*>(data.data()), data.size(), pwhash, TOX_HASH_LENGTH, decrypted) != sz)
{
qWarning() << "Core::decryptData: decryption failed";
return QByteArray();
}
return QByteArray(reinterpret_cast<char*>(decrypted), sz);
}
bool Core::encryptFile(const QString& path)
{
if (!pwhash)
@ -1495,3 +1520,22 @@ bool Core::encryptFile(const QString& path)
file.close();
return true;
}
QByteArray Core::decryptFile(const QString& path)
{
if (!pwhash)
return QByteArray();
QFile file(path);
if (!file.exists()) {
qWarning() << "Core::decryptFile: file" << path << "DNE";
return QByteArray();
}
if (!file.open(QIODevice::ReadOnly)) {
qCritical() << "Core::decryptFile:" << path << " cannot be opened";
return QByteArray();
}
QByteArray data = file.readAll();
file.close();
return decryptData(data);
}

2
src/core.h
View File

@ -98,6 +98,8 @@ public slots:
void clearPassword();
bool encryptFile(const QString& path);
QByteArray encryptData(const QByteArray& data);
QByteArray decryptData(const QByteArray& data);
QByteArray decryptFile(const QString& path);
signals:
void connected();