ecc: Add Ed25519 and Ed448 public key support.
* src/keyinfo.c (PKALGO_ED25519, PKALGO_ED448): New. (PKALGO_X25519, PKALGO_X448): New for future. (pk_algo_table): Add (sig_algo_table): New entries for Ed25519 and Ed448 for future. (_ksba_keyinfo_from_sexp): Add handling for Ed25519 and Ed448.
- GnuPG-bug-id: T4896
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>