gpg: Some support to allow Kyber decryption.
* g10/call-agent.c (agent_pkdecrypt): Support dual keygrips and switch to KEM mode. * g10/ecdh.c (pk_ecdh_decrypt): Add an extra length check. * g10/keyid.c (do_hash_public_key): Fix Kyber fingerprint computation. * g10/mainproc.c (release_list): Free all 4 data elements. (proc_pubkey_enc): Copy all 4 data elements. * g10/misc.c (openpgp_pk_test_algo2): Map Kyber to KEM. * g10/parse-packet.c (parse_pubkeyenc): Fix Kyber parser. * g10/pubkey-enc.c (get_session_key): Allow Kyber. (get_it): Support Kyber.
- GnuPG-bug-id: T6815