SshOutgoingPacket &SshOutgoingPacket::encrypt()
{
const QByteArray &mac
= generateMac(m_encrypter, m_seqNr);
m_encrypter.encrypt(m_data);
m_data += mac;
return *this;
}
void SshIncomingPacket::decrypt()
{
Q_ASSERT(isComplete());
const quint32 netDataLength = length() + 4;
m_decrypter.decrypt(m_data, cipherBlockSize(),
netDataLength - cipherBlockSize());
const QByteArray &mac = m_data.mid(netDataLength, macLength());
if (mac != generateMac(m_decrypter, m_serverSeqNr)) {
throw SSH_SERVER_EXCEPTION(SSH_DISCONNECT_MAC_ERROR,
"Message authentication failed.");
}
}