ecc: Run PCT also with the digest step
* cipher/ecc.c (test_keys_fips): New function (nist_generate_key): In FIPS mode, execute new PCT test ---
Cherry-picked from master commit:
505f048cac8e5af92d3431bd97ade492d1a30bc2
- Signed-off-by: Jakub Jelen <jjelen@redhat.com>