QByteArray PgpManager::SignPresence (const QByteArray& status)
{
QCA::SecureMessageKey msgKey;
if (PrivateKey_.isNull ())
{
warning (QString ("Cannot sign: private key is null"));
return QByteArray();
}
msgKey.setPGPSecretKey (PrivateKey_);
QCA::OpenPGP pgp;
QCA::SecureMessage msg (&pgp);
msg.setFormat (QCA::SecureMessage::Ascii);
msg.setSigner (msgKey);
msg.startSign (QCA::SecureMessage::Detached);
msg.update (status);
msg.end ();
msg.waitForFinished ();
if (msg.success ())
return msg.signature ();
else
{
info (QString { "Error signing: %1" }
.arg (msg.errorCode ())
.arg (msg.diagnosticText ()));
return QByteArray ();
}
}
QByteArray PgpManager::SignMessage (const QByteArray& body)
{
QCA::SecureMessageKey msgKey;
if (PrivateKey_.isNull ())
{
warning (QString ("Cannot sign: private key is null"));
return QByteArray ();
}
msgKey.setPGPSecretKey (PrivateKey_);
QCA::OpenPGP pgp;
QCA::SecureMessage msg (&pgp);
msg.setFormat (QCA::SecureMessage::Ascii);
msg.setSigner (msgKey);
msg.startSign (QCA::SecureMessage::Detached);
msg.update (body);
msg.end ();
msg.waitForFinished ();
if (!msg.success ())
{
warning (QString { "Error signing: %1 (%2)." }
.arg (msg.errorCode ())
.arg (msg.diagnosticText ()));
return QByteArray ();
}
const auto& sig = msg.signature ();
const auto& arrs = sig.split ('\n');
auto it = arrs.begin ();
++it;
if (it == arrs.end ())
return sig;
for (; it != arrs.end (); ++it)
if (it->isEmpty ())
break;
if (++it >= arrs.end ())
return sig;
QByteArray result;
for (; it != arrs.end (); ++it)
{
if (it->at (0) == '-')
break;
result += *it;
result += '\n';
}
result.chop (1);
return result;
}