'Diffie-Hellman primes that can be used for key exchange algorithms
that use group exchange to establish a prime / generator group.
@return: The primes and generators.
@rtype: L{dict} mapping the key size to a C{list} of
C{(generator, prime)} tuple.'

def getPrimes(self):

    return {2048: ((3, _kex.getDHGeneratorAndPrime('diffie-hellman-group14-sha1')[1]),), 4096: ((5, 7),)}
