* g10/keygen.c (PQC_STD_KEY_PARAM_PRI, PQC_STD_KEY_PARAM_SUB): New.
(PQC_STD_KEY_PARAM): Construct from above.
(gen_kyber): Allow short curve names.
(ask_algo): Add Entry for ecc+kyber.
(ask_kyber_variant): New.
(generate_keypair): Generate ECC primary and Kyber sub.