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Uses QByteArray to store private key. #727

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Oct 23, 2018
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26 changes: 14 additions & 12 deletions src/libsync/clientsideencryption.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -390,10 +390,9 @@ QByteArray decryptStringSymmetric(const QByteArray& key, const QByteArray& data)
return result;
}

QByteArray privateKeyToPem(const QSslKey key) {
QByteArray privateKeyToPem(const QByteArray key) {
BIO *privateKeyBio = BIO_new(BIO_s_mem());
QByteArray privateKeyPem = key.toPem();
BIO_write(privateKeyBio, privateKeyPem.constData(), privateKeyPem.size());
BIO_write(privateKeyBio, key.constData(), key.size());
EVP_PKEY *pkey = PEM_read_bio_PrivateKey(privateKeyBio, NULL, NULL, NULL);

BIO *pemBio = BIO_new(BIO_s_mem());
Expand Down Expand Up @@ -694,7 +693,8 @@ void ClientSideEncryption::privateKeyFetched(Job *incoming) {
return;
}

_privateKey = QSslKey(readJob->binaryData(), QSsl::Rsa, QSsl::Pem, QSsl::PrivateKey);
//_privateKey = QSslKey(readJob->binaryData(), QSsl::Rsa, QSsl::Pem, QSsl::PrivateKey);
_privateKey = readJob->binaryData();

if (_privateKey.isNull()) {
getPrivateKeyFromServer();
Expand Down Expand Up @@ -723,7 +723,7 @@ void ClientSideEncryption::mnemonicKeyFetched(QKeychain::Job *incoming) {
if (readJob->error() != NoError || readJob->textData().length() == 0) {
_certificate = QSslCertificate();
_publicKey = QSslKey();
_privateKey = QSslKey();
_privateKey = QByteArray();
getPublicKeyFromServer();
return;
}
Expand All @@ -745,7 +745,7 @@ void ClientSideEncryption::writePrivateKey() {
WritePasswordJob *job = new WritePasswordJob(Theme::instance()->appName());
job->setInsecureFallback(false);
job->setKey(kck);
job->setBinaryData(_privateKey.toPem());
job->setBinaryData(_privateKey);
connect(job, &WritePasswordJob::finished, [this](Job *incoming) {
Q_UNUSED(incoming);
qCInfo(lcCse()) << "Private key stored in keychain";
Expand Down Expand Up @@ -791,7 +791,7 @@ void ClientSideEncryption::writeMnemonic() {

void ClientSideEncryption::forgetSensitiveData()
{
_privateKey = QSslKey();
_privateKey = QByteArray();
_certificate = QSslCertificate();
_publicKey = QSslKey();
_mnemonic = QString();
Expand Down Expand Up @@ -859,7 +859,8 @@ void ClientSideEncryption::generateKeyPair()
return;
}
QByteArray key = BIO2ByteArray(privKey);
_privateKey = QSslKey(key, QSsl::Rsa, QSsl::Pem, QSsl::PrivateKey);
//_privateKey = QSslKey(key, QSsl::Rsa, QSsl::Pem, QSsl::PrivateKey);
_privateKey = key;

qCInfo(lcCse()) << "Keys generated correctly, sending to server.";
generateCSR(localKeyPair);
Expand Down Expand Up @@ -1025,9 +1026,10 @@ void ClientSideEncryption::decryptPrivateKey(const QByteArray &key) {
qCInfo(lcCse()) << "Generated key:" << pass;

QByteArray privateKey = EncryptionHelper::decryptPrivateKey(pass, key2);
_privateKey = QSslKey(privateKey, QSsl::Rsa, QSsl::Pem, QSsl::PrivateKey);
//_privateKey = QSslKey(privateKey, QSsl::Rsa, QSsl::Pem, QSsl::PrivateKey);
_privateKey = privateKey;

qCInfo(lcCse()) << "Private key: " << _privateKey.toPem();
qCInfo(lcCse()) << "Private key: " << _privateKey;

if (!_privateKey.isNull()) {
writePrivateKey();
Expand All @@ -1037,7 +1039,7 @@ void ClientSideEncryption::decryptPrivateKey(const QByteArray &key) {
}
} else {
_mnemonic = QString();
_privateKey = QSslKey();
_privateKey = QByteArray();
qCInfo(lcCse()) << "Cancelled";
break;
}
Expand Down Expand Up @@ -1226,7 +1228,7 @@ QByteArray FolderMetadata::encryptMetadataKey(const QByteArray& data) const {
QByteArray FolderMetadata::decryptMetadataKey(const QByteArray& encryptedMetadata) const
{
BIO *privateKeyBio = BIO_new(BIO_s_mem());
QByteArray privateKeyPem = _account->e2e()->_privateKey.toPem();
QByteArray privateKeyPem = _account->e2e()->_privateKey;
BIO_write(privateKeyBio, privateKeyPem.constData(), privateKeyPem.size());
EVP_PKEY *key = PEM_read_bio_PrivateKey(privateKeyBio, NULL, NULL, NULL);

Expand Down
5 changes: 3 additions & 2 deletions src/libsync/clientsideencryption.h
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ namespace EncryptionHelper {
const QByteArray& data
);

QByteArray privateKeyToPem(const QSslKey key);
QByteArray privateKeyToPem(const QByteArray key);

//TODO: change those two EVP_PKEY into QSslKey.
QByteArray encryptStringAsymmetric(
Expand Down Expand Up @@ -122,7 +122,8 @@ private slots:
QMap<QString, bool> _folder2encryptedStatus;

public:
QSslKey _privateKey;
//QSslKey _privateKey;
QByteArray _privateKey;
QSslKey _publicKey;
QSslCertificate _certificate;
QString _mnemonic;
Expand Down