QMessageAuthenticationCode is HMAC implementation based on
QCryptographicHash abilities. HMAC is often used in OAuth and similar
authentication protocols.
Change-Id: Ifc73947ad06c36a1b770315b7e89ba5c01c5e79e
Reviewed-by: Richard J. Moore <rich@kde.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
