def isEllipticCurve(kexAlgorithm):
 return _IEllipticCurveExchangeKexAlgorithm.providedBy(getKex(kexAlgorithm))

def isEllipticCurve ( kexAlgorithm ) : return _IEllipticCurveExchangeKexAlgorithm . providedBy ( getKex ( kexAlgorithm ) )
returns c{true} if c{kexalgorithm} is an elliptic curve .